Chain H, Fab EP6b_B01, heavy chain
immunoglobulin domain-containing family protein( domain architecture ID 34076)
immunoglobulin (Ig) domain-containing family protein is a member of a large superfamily containing cell surface antigen receptors, co-receptors and co-stimulatory molecules of the immune system, molecules involved in antigen presentation to lymphocytes, cell adhesion molecules, certain cytokine receptors and intracellular muscle proteins; immunoglobulin domains are typically divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets
List of domain hits
Name | Accession | Description | Interval | E-value | |||
Ig super family | cl11960 | Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found ... |
3-131 | 1.46e-53 | |||
Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found in the Ig superfamily. The Ig superfamily is a heterogenous group of proteins, built on a common fold comprised of a sandwich of two beta sheets. Members of this group are components of immunoglobulin, neuroglia, cell surface glycoproteins, including T-cell receptors, CD2, CD4, CD8, and membrane glycoproteins, including butyrophilin and chondroitin sulfate proteoglycan core protein. A predominant feature of most Ig domains is a disulfide bridge connecting the two beta-sheets with a tryptophan residue packed against the disulfide bond. Ig superfamily (IgSF) domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. Typically, the V-set domains have A, B, E, and D strands in one sheet and A', G, F, C, C' and C" in the other. The structures in C1-set are smaller than those in the V-set; they have one beta sheet that is formed by strands A, B, E, and D and the other by strands G, F, C, and C'. Moreover, a C1-set Ig domain contains a short C' strand (three residues) and lacks A' and C" strand. Unlike other Ig domain sets, C2-set structures do not have a D strand. Like the V-set Ig domains, members of the I-set have a discontinuous A strand, but lack a C" strand. The actual alignment was detected with superfamily member cd04981: Pssm-ID: 472250 [Multi-domain] Cd Length: 118 Bit Score: 168.64 E-value: 1.46e-53
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Ig super family | cl11960 | Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found ... |
137-230 | 1.05e-41 | |||
Immunoglobulin domain; The members here are composed of the immunoglobulin (Ig) domain found in the Ig superfamily. The Ig superfamily is a heterogenous group of proteins, built on a common fold comprised of a sandwich of two beta sheets. Members of this group are components of immunoglobulin, neuroglia, cell surface glycoproteins, including T-cell receptors, CD2, CD4, CD8, and membrane glycoproteins, including butyrophilin and chondroitin sulfate proteoglycan core protein. A predominant feature of most Ig domains is a disulfide bridge connecting the two beta-sheets with a tryptophan residue packed against the disulfide bond. Ig superfamily (IgSF) domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. Typically, the V-set domains have A, B, E, and D strands in one sheet and A', G, F, C, C' and C" in the other. The structures in C1-set are smaller than those in the V-set; they have one beta sheet that is formed by strands A, B, E, and D and the other by strands G, F, C, and C'. Moreover, a C1-set Ig domain contains a short C' strand (three residues) and lacks A' and C" strand. Unlike other Ig domain sets, C2-set structures do not have a D strand. Like the V-set Ig domains, members of the I-set have a discontinuous A strand, but lack a C" strand. The actual alignment was detected with superfamily member cd21817: Pssm-ID: 472250 Cd Length: 94 Bit Score: 137.58 E-value: 1.05e-41
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Name | Accession | Description | Interval | E-value | |||
IgV_H | cd04981 | Immunoglobulin (Ig) heavy chain (H), variable (V) domain; The members here are composed of the ... |
3-131 | 1.46e-53 | |||
Immunoglobulin (Ig) heavy chain (H), variable (V) domain; The members here are composed of the immunoglobulin (Ig) heavy chain (H), variable (V) domain. This group contains the standard Ig superfamily V-set AGFCC'C"/DEB domain topology. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. In Ig, each chain is composed of one variable domain (IgV) and one or more constant domains (IgC); these names reflect the fact that the variability in sequences is higher in the variable domain than in the constant domain. There are five types of heavy chains (alpha, gamma, delta, epsilon, and mu), which determines the type of immunoglobulin formed: IgA, IgG, IgD, IgE, and IgM, respectively. In higher vertebrates, there are two types of light chain, designated kappa and lambda, which can associate with any of the heavy chains. This family includes alpha, gamma, delta, epsilon, and mu heavy chains. Pssm-ID: 409370 [Multi-domain] Cd Length: 118 Bit Score: 168.64 E-value: 1.46e-53
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IgC1_CH1_IgEG | cd21817 | CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin heavy epsilon and ... |
137-230 | 1.05e-41 | |||
CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin heavy epsilon and gamma chain; member of the C1-set of Ig superfamily (IgSF) domains; The members here are composed of the first immunoglobulin constant-1 set domain of epsilon and gamma chains. It belongs to a family composed of the first immunoglobulin constant-1 set domain of alpha, delta, epsilon, gamma, and mu heavy chains. This domain is found on the Fab antigen-binding fragment. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. There are two types of light chains: kappa and lambda; each is composed of a constant domain and a variable domain. There are five types of heavy chains: alpha, delta, epsilon, gamma, and mu, all consisting of a variable domain (VH) with three (alpha, delta and gamma) or four (epsilon and mu) constant domains (CH1 to CH4). Ig molecules are modular proteins, in which the variable and constant domains have clear, conserved sequence patterns. This group belongs to the C1-set of IgSF domains, which are classical Ig-like domains resembling the antibody constant domain. C1-set domains are found almost exclusively in molecules involved in the immune system, such as in immunoglobulin light and heavy chains, in the major histocompatibility complex (MHC) class I and II complex molecules, and in various T-cell receptors. Pssm-ID: 409622 Cd Length: 94 Bit Score: 137.58 E-value: 1.05e-41
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IGv | smart00406 | Immunoglobulin V-Type; |
17-104 | 8.88e-27 | |||
Immunoglobulin V-Type; Pssm-ID: 214650 Cd Length: 81 Bit Score: 98.61 E-value: 8.88e-27
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C1-set | pfam07654 | Immunoglobulin C1-set domain; |
140-220 | 1.00e-13 | |||
Immunoglobulin C1-set domain; Pssm-ID: 462221 Cd Length: 85 Bit Score: 64.58 E-value: 1.00e-13
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
5-103 | 3.64e-08 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 50.15 E-value: 3.64e-08
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IGc1 | smart00407 | Immunoglobulin C-Type; |
154-219 | 1.98e-06 | |||
Immunoglobulin C-Type; Pssm-ID: 214651 Cd Length: 75 Bit Score: 44.61 E-value: 1.98e-06
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Name | Accession | Description | Interval | E-value | |||
IgV_H | cd04981 | Immunoglobulin (Ig) heavy chain (H), variable (V) domain; The members here are composed of the ... |
3-131 | 1.46e-53 | |||
Immunoglobulin (Ig) heavy chain (H), variable (V) domain; The members here are composed of the immunoglobulin (Ig) heavy chain (H), variable (V) domain. This group contains the standard Ig superfamily V-set AGFCC'C"/DEB domain topology. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. In Ig, each chain is composed of one variable domain (IgV) and one or more constant domains (IgC); these names reflect the fact that the variability in sequences is higher in the variable domain than in the constant domain. There are five types of heavy chains (alpha, gamma, delta, epsilon, and mu), which determines the type of immunoglobulin formed: IgA, IgG, IgD, IgE, and IgM, respectively. In higher vertebrates, there are two types of light chain, designated kappa and lambda, which can associate with any of the heavy chains. This family includes alpha, gamma, delta, epsilon, and mu heavy chains. Pssm-ID: 409370 [Multi-domain] Cd Length: 118 Bit Score: 168.64 E-value: 1.46e-53
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IgC1_CH1_IgEG | cd21817 | CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin heavy epsilon and ... |
137-230 | 1.05e-41 | |||
CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin heavy epsilon and gamma chain; member of the C1-set of Ig superfamily (IgSF) domains; The members here are composed of the first immunoglobulin constant-1 set domain of epsilon and gamma chains. It belongs to a family composed of the first immunoglobulin constant-1 set domain of alpha, delta, epsilon, gamma, and mu heavy chains. This domain is found on the Fab antigen-binding fragment. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. There are two types of light chains: kappa and lambda; each is composed of a constant domain and a variable domain. There are five types of heavy chains: alpha, delta, epsilon, gamma, and mu, all consisting of a variable domain (VH) with three (alpha, delta and gamma) or four (epsilon and mu) constant domains (CH1 to CH4). Ig molecules are modular proteins, in which the variable and constant domains have clear, conserved sequence patterns. This group belongs to the C1-set of IgSF domains, which are classical Ig-like domains resembling the antibody constant domain. C1-set domains are found almost exclusively in molecules involved in the immune system, such as in immunoglobulin light and heavy chains, in the major histocompatibility complex (MHC) class I and II complex molecules, and in various T-cell receptors. Pssm-ID: 409622 Cd Length: 94 Bit Score: 137.58 E-value: 1.05e-41
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IgC1_CH1_IgADEGM | cd04985 | CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin heavy alpha, delta, ... |
137-230 | 3.66e-28 | |||
CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin heavy alpha, delta, epsilon, gamma, and mu chains; member of the C1-set of Ig superfamily (IgSF) domains; The members here are composed of the first immunoglobulin constant-1 set domain of alpha, delta, epsilon, gamma, and mu heavy chains. This domain is found on the Fab antigen-binding fragment. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. There are two types of light chains: kappa and lambda; each is composed of a constant domain and a variable domain. There are five types of heavy chains: alpha, delta, epsilon, gamma, and mu, all consisting of a variable domain (VH) with three (alpha, delta and gamma) or four (epsilon and mu) constant domains (CH1 to CH4). Ig molecules are modular proteins, in which the variable and constant domains have clear, conserved sequence patterns. This group belongs to the C1-set of IgSF domains, which are classical Ig-like domains resembling the antibody constant domain. C1-set domains are found almost exclusively in molecules involved in the immune system, such as in immunoglobulin light and heavy chains, in the major histocompatibility complex (MHC) class I and II complex molecules, and in various T-cell receptors. Pssm-ID: 409374 Cd Length: 98 Bit Score: 103.05 E-value: 3.66e-28
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IGv | smart00406 | Immunoglobulin V-Type; |
17-104 | 8.88e-27 | |||
Immunoglobulin V-Type; Pssm-ID: 214650 Cd Length: 81 Bit Score: 98.61 E-value: 8.88e-27
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IgV | cd00099 | Immunoglobulin variable domain (IgV); The members here are composed of the immunoglobulin ... |
5-130 | 9.05e-17 | |||
Immunoglobulin variable domain (IgV); The members here are composed of the immunoglobulin variable domain (IgV). The IgV family contains the standard Ig superfamily V-set AGFCC'C"/DEB domain topology, and are components of immunoglobulin (Ig) and T cell receptors. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. In Ig, each chain is composed of one variable domain (IgV) and one or more constant domains (IgC); these names reflect the fact that the variability in sequences is higher in the variable domain than in the constant domain. Within the variable domain, there are regions of even more variability called the hypervariable or complementarity-determining regions (CDRs) which are responsible for antigen binding. A predominant feature of most Ig domains is the disulfide bridge connecting 2 beta-sheets with a tryptophan residue packed against the disulfide bond. Ig superfamily (IgSF) domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. Typically, the V-set domains have A, B, E and, D strands in one sheet and A', G, F, C, C', and C" strands in the other. Pssm-ID: 409355 [Multi-domain] Cd Length: 111 Bit Score: 73.52 E-value: 9.05e-17
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C1-set | pfam07654 | Immunoglobulin C1-set domain; |
140-220 | 1.00e-13 | |||
Immunoglobulin C1-set domain; Pssm-ID: 462221 Cd Length: 85 Bit Score: 64.58 E-value: 1.00e-13
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IgC1_CH1_IgA | cd21818 | CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin heavy alpha chain; ... |
138-219 | 4.91e-13 | |||
CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin heavy alpha chain; member of the C1-set of Ig superfamily (IgSF) domains; The members here are composed of the first immunoglobulin constant-1 set domain of alpha chains. It belongs to a family composed of the first immunoglobulin constant-1 set domain of alpha, epsilon, gamma, and mu heavy chains. This domain is found on the Fab antigen-binding fragment. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. There are two types of light chains: kappa and lambda; each is composed of a constant domain and a variable domain. There are five types of heavy chains: alpha, delta, epsilon, gamma, and mu, all consisting of a variable domain (VH) with three (alpha, delta and gamma) or four (epsilon and mu) constant domains (CH1 to CH4). Ig molecules are modular proteins, in which the variable and constant domains have clear, conserved sequence patterns. This group belongs to the C1-set of IgSF domains, which are classical Ig-like domains resembling the antibody constant domain. C1-set domains are found almost exclusively in molecules involved in the immune system, such as in immunoglobulin light and heavy chains, in the major histocompatibility complex (MHC) class I and II complex molecules, and in various T-cell receptors. Pssm-ID: 409623 Cd Length: 94 Bit Score: 62.91 E-value: 4.91e-13
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IgC1_CH1_IgM | cd21819 | CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin heavy mu chain; ... |
138-232 | 5.74e-13 | |||
CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin heavy mu chain; member of the C1-set of Ig superfamily (IgSF) domains; The members here are composed of the first immunoglobulin constant-1 set domain of mu chains. It belongs to a family composed of the first immunoglobulin constant-1 set domain of alpha, delta, epsilon, gamma, and mu heavy chains. This domain is found on the Fab antigen-binding fragment. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. There are two types of light chains: kappa and lambda; each is composed of a constant domain and a variable domain. There are five types of heavy chains: alpha, delta, epsilon, gamma, and mu, all consisting of a variable domain (VH) with three (alpha, delta and gamma) or four (epsilon and mu) constant domains (CH1 to CH4). Ig molecules are modular proteins, in which the variable and constant domains have clear, conserved sequence patterns. This group belongs to the C1-set of IgSF domains, which are classical Ig-like domains resembling the antibody constant domain. C1-set domains are found almost exclusively in molecules involved in the immune system, such as in immunoglobulin light and heavy chains, in the major histocompatibility complex (MHC) class I and II complex molecules, and in various T-cell receptors. Pssm-ID: 409624 Cd Length: 95 Bit Score: 62.73 E-value: 5.74e-13
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IgV_TCR_alpha | cd04983 | Immunoglobulin (Ig) variable (V) domain of T-cell receptor (TCR) alpha chain and similar ... |
16-130 | 4.35e-10 | |||
Immunoglobulin (Ig) variable (V) domain of T-cell receptor (TCR) alpha chain and similar proteins; The members here are composed of the immunoglobulin (Ig) variable domain of the alpha chain of alpha/beta T-cell antigen receptors (TCRs). TCRs mediate antigen recognition by T lymphocytes, and are composed of alpha and beta, or gamma and delta polypeptide chains with variable (V) and constant (C) regions. This group represents the variable domain of the alpha chain of TCRs and also includes the variable domain of delta chains of TCRs. Alpha/beta TCRs recognize antigen as peptide fragments presented by major histocompatibility complex (MHC) molecules. The variable domain of TCRs is responsible for antigen recognition, and is located at the N-terminus of the receptor. Gamma/delta TCRs recognize intact protein antigens directly without antigen processing and recognize MHC independently of the bound peptide. Members of this group contain standard Ig superfamily V-set AGFCC'C"/DEB domain topology. Pssm-ID: 409372 [Multi-domain] Cd Length: 109 Bit Score: 55.35 E-value: 4.35e-10
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IgC1 | cd00098 | Immunoglobulin Constant-1 (C1)-set domain; The members here are composed of C1-set domains, ... |
139-230 | 6.59e-10 | |||
Immunoglobulin Constant-1 (C1)-set domain; The members here are composed of C1-set domains, classical Ig-like domains resembling the antibody constant domain. Members of the IgC1 family are components of immunoglobulin, T-cell receptors, CD1 cell surface glycoproteins, secretory glycoproteins A/C, and major histocompatibility complex (MHC) class I/II molecules. In immunoglobulins, each chain is composed of one variable domain (IgV) and one or more IgC domains. These names reflect the fact that the variability in sequences is higher in the variable domain than in the constant domain. The IgV domain is responsible for antigen binding, while the IgC domain is involved in oligomerization and molecular interactions. The structures in C1-set are smaller than those in the V-set; they have one beta sheet that is formed by strands A, B, E, and D and the other strands by G, F, C, and C'. Pssm-ID: 409354 Cd Length: 95 Bit Score: 54.77 E-value: 6.59e-10
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IgV_TCR_gamma | cd04982 | Immunoglobulin (Ig) variable (V) domain of T-cell receptor (TCR) gamma chain; The members here ... |
14-131 | 7.30e-10 | |||
Immunoglobulin (Ig) variable (V) domain of T-cell receptor (TCR) gamma chain; The members here are composed of the immunoglobulin (Ig) variable (V) domain of the gamma chain of gamma/delta T-cell receptors (TCRs). TCRs mediate antigen recognition by T lymphocytes, and are heterodimers consisting of alpha and beta chains or gamma and delta chains. Each chain contains a variable (V) and a constant (C) region. The majority of T cells contain alpha/beta TCRs, but a small subset contain gamma/delta TCRs. Alpha/beta TCRs recognize antigens as peptide fragments presented by major histocompatibility complex (MHC) molecules. Gamma/delta TCRs recognize intact protein antigens directly without antigen processing and recognize MHC independently of the bound peptide. Gamma/delta T cells can also be stimulated by non-peptide antigens such as small phosphate- or amine-containing compounds. The variable domain of gamma/delta TCRs is responsible for antigen recognition and is located at the N-terminus of the receptor. Members of this group contain the standard Ig superfamily V-set AGFCC'C"/DEB domain topology. Pssm-ID: 409371 Cd Length: 117 Bit Score: 55.06 E-value: 7.30e-10
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IgV_H_TCR_mu | cd16095 | T-cell receptor Mu, Heavy chain, variable (V) domain; The members here are composed of the ... |
3-130 | 3.28e-09 | |||
T-cell receptor Mu, Heavy chain, variable (V) domain; The members here are composed of the immunoglobulin (Ig) heavy chain (H), variable (V) domain of the T-cell receptor Mu. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. In Ig, each chain is composed of one variable domain (IgV) and one or more constant domains (IgC); these names reflect the fact that the variability in sequences is higher in the variable domain than in the constant domain. There are five types of heavy chains (alpha, gamma, delta, epsilon, and mu), which determines the type of immunoglobulin formed: IgA, IgG, IgD, IgE, and IgM, respectively. In higher vertebrates, there are two types of light chain, designated kappa and lambda, which can associate with any of the heavy chains. This family includes alpha, gamma, delta, epsilon, and mu heavy chains. Members of this group contain standard Ig superfamily V-set AGFCC'C"/DEB domain topology. Pssm-ID: 409514 Cd Length: 115 Bit Score: 53.33 E-value: 3.28e-09
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
5-103 | 3.64e-08 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 50.15 E-value: 3.64e-08
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IgV_TCR_gammadelta | cd20988 | Gammadelta T-cell antigen receptor, variable (V) domain; The members here are composed of the ... |
12-130 | 1.44e-07 | |||
Gammadelta T-cell antigen receptor, variable (V) domain; The members here are composed of the immunoglobulin (Ig) variable (V) domain of the gamma/delta T-cell receptors (TCRs). TCRs mediate antigen recognition by T lymphocytes, and are heterodimers consisting of alpha and beta chains or gamma and delta chains. Each chain contains a variable (V) and a constant (C) region. The majority of T cells contain alpha/beta TCRs, but a small subset contain gamma/delta TCRs. Alpha/beta TCRs recognize antigen as peptide fragments presented by major histocompatibility complex (MHC) molecules. Gamma/delta TCRs recognize intact protein antigens; they recognize protein antigens directly and without antigen processing, and MHC independently of the bound peptide. Gamma/delta T cells can also be stimulated by non-peptide antigens such as small phosphate- or amine-containing compounds. The variable domain of gamma/delta TCRs is responsible for antigen recognition and is located at the N-terminus of the receptor. Members of this group contain standard Ig superfamily V-set AGFCC'C"/DEB domain topology. Pssm-ID: 409580 Cd Length: 114 Bit Score: 48.71 E-value: 1.44e-07
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
7-105 | 4.90e-07 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 46.34 E-value: 4.90e-07
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IgV_L_lambda | cd04984 | Immunoglobulin (Ig) lambda light chain variable (V) domain; The members here are composed of ... |
12-130 | 1.80e-06 | |||
Immunoglobulin (Ig) lambda light chain variable (V) domain; The members here are composed of the immunoglobulin (Ig) light chain, lambda type, variable (V) domain. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. There are two types of light chains: kappa and lambda, each composed of a constant domain (CL) and a variable domain (VL). There are five types of heavy chains (alpha, gamma, delta, epsilon, and mu), which determines the type of immunoglobulin formed: IgA, IgG, IgD, IgE, and IgM, respectively. In higher vertebrates, there are two types of light chain, designated kappa and lambda, which seem to be functionally identical, and can associate with any of the heavy chains. Members of this group contain standard Ig superfamily V-set AGFCC'C"/DEB domain topology. Pssm-ID: 409373 Cd Length: 105 Bit Score: 45.53 E-value: 1.80e-06
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IGc1 | smart00407 | Immunoglobulin C-Type; |
154-219 | 1.98e-06 | |||
Immunoglobulin C-Type; Pssm-ID: 214651 Cd Length: 75 Bit Score: 44.61 E-value: 1.98e-06
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IgC1_CH3_IgAGD_CH4_IgAEM | cd05768 | CH3 domain (third constant Ig domain of the heavy chain) in immunoglobulin heavy alpha, gamma, ... |
138-176 | 4.78e-06 | |||
CH3 domain (third constant Ig domain of the heavy chain) in immunoglobulin heavy alpha, gamma, and delta chains, and CH4 domain (fourth constant Ig domain of the heavy chain) in immunoglobulin heavy alpha, epsilon, and mu chains; member of the C1-set of I; The members here are composed of the third and fourth immunoglobulin constant domain (IgC) of alpha, delta, gamma and alpha, epsilon, and mu heavy chains, respectively. This domain is found on the Fc fragment. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. There are two types of light chains: kappa and lambda; each is composed of a constant domain and a variable domain. There are five types of heavy chains: alpha, delta, epsilon, gamma, and mu, all consisting of a variable domain (VH) with three (alpha, delta and gamma) or four (epsilon and mu) constant domains (CH1 to CH4). Ig molecules are modular proteins, in which the variable and constant domains have clear, conserved sequence patterns. Pssm-ID: 409425 Cd Length: 105 Bit Score: 44.25 E-value: 4.78e-06
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IgC1_CH1_IgD | cd16092 | CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin delta chain; member ... |
137-225 | 8.94e-06 | |||
CH1 domain (first constant Ig domain of the heavy chain) in immunoglobulin delta chain; member of the C1-set of Ig superfamily (IgSF) domains; The members here are composed of the first immunoglobulin constant-1 set domain of delta chains. It belongs to a family composed of the first immunoglobulin constant-1 set domain of alpha, delta, epsilon, gamma, and mu heavy chains. This domain is found on the Fab antigen-binding fragment. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. There are two types of light chains: kappa and lambda; each is composed of a constant domain and a variable domain. There are five types of heavy chains: alpha, delta, epsilon, gamma, and mu, all consisting of a variable domain (VH) with three (alpha, delta and gamma) or four (epsilon and mu) constant domains (CH1 to CH4). Ig molecules are modular proteins, in which the variable and constant domains have clear, conserved sequence patterns. This group belongs to the C1-set of IgSF domains, which are classical Ig-like domains resembling the antibody constant domain. C1-set domains are found almost exclusively in molecules involved in the immune system, such as in immunoglobulin light and heavy chains, in the major histocompatibility complex (MHC) class I and II complex molecules, and in various T-cell receptors. Pssm-ID: 319341 Cd Length: 96 Bit Score: 43.29 E-value: 8.94e-06
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IgC1_L | cd07699 | Immunoglobulin light chain Constant domain; member of the C1-set of Ig superfamily (IgSF) ... |
138-232 | 3.21e-05 | |||
Immunoglobulin light chain Constant domain; member of the C1-set of Ig superfamily (IgSF) domains; The members here are composed of the immunoglobulin (Ig) light chain constant (C) domain. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. In Ig, each chain is composed of one variable domain (IgV) and one or more constant domains (IgC); these names reflect the fact that the variability in sequences is higher in the variable domain than in the constant domain. There are five types of heavy chains (alpha, gamma, delta, epsilon, and mu), which determine the type of immunoglobulin: IgA, IgG, IgD, IgE, and IgM, respectively. In higher vertebrates, there are two types of light chain, designated kappa and lambda, which seem to be functionally identical, and can associate with any of the heavy chains. Pssm-ID: 409496 Cd Length: 99 Bit Score: 41.67 E-value: 3.21e-05
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IgV_TCR_beta | cd05899 | Immunoglobulin (Ig) variable (V) domain of T-cell receptor (TCR) beta chain; The members here ... |
11-130 | 4.37e-05 | |||
Immunoglobulin (Ig) variable (V) domain of T-cell receptor (TCR) beta chain; The members here are composed of the immunoglobulin (Ig) variable domain of the beta chain of alpha/beta T-cell antigen receptors (TCRs). TCRs mediate antigen recognition by T lymphocytes, and are composed of alpha and beta, or gamma and delta, polypeptide chains with variable (V) and constant (C) regions. This group includes the variable domain of the alpha chain of alpha/beta TCRs. Alpha/beta TCRs recognize antigen as peptide fragments presented by major histocompatibility complex (MHC) molecules. The variable domain of TCRs is responsible for antigen recognition, and is located at the N-terminus of the receptor. Gamma/delta TCRs recognize intact protein antigens directly without antigen processing and recognize MHC independently of the bound peptide. Members of this group contain standard Ig superfamily V-set AGFCC'C"/DEB domain topology. Pssm-ID: 409480 Cd Length: 110 Bit Score: 41.50 E-value: 4.37e-05
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IgC1_TCR_beta | cd05769 | T cell receptor (TCR) beta chain constant immunoglobulin domain; member of the C1-set of Ig ... |
136-193 | 2.29e-04 | |||
T cell receptor (TCR) beta chain constant immunoglobulin domain; member of the C1-set of Ig superfamily (IgSF) domains; The members here are composed of the T cell receptor (TCR) beta chain constant immunoglobulin domain. TCRs mediate antigen recognition by T lymphocytes, and are composed of alpha and beta, or gamma and delta, polypeptide chains with variable (V) and constant (C) regions. This group includes the variable domain of the beta chain. Alpha/beta TCRs recognize antigen as peptide fragments presented by major histocompatibility complex (MHC) molecules. The antigen binding site is formed by the variable domains of the alpha and beta chains, located at the N-terminus of each chain. Alpha/beta TCRs recognize antigens differently from gamma/delta TCRs. Pssm-ID: 409426 [Multi-domain] Cd Length: 116 Bit Score: 39.67 E-value: 2.29e-04
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IgV_TCR_delta | cd07706 | Immunoglobulin (Ig) variable (V) domain of T-cell receptor (TCR) delta chain; The members here ... |
16-130 | 2.10e-03 | |||
Immunoglobulin (Ig) variable (V) domain of T-cell receptor (TCR) delta chain; The members here are composed of the immunoglobulin (Ig) variable (V) domain of the delta chain of gamma/delta T-cell receptors (TCRs). TCRs mediate antigen recognition by T lymphocytes, and are heterodimers consisting of alpha and beta chains or gamma and delta chains. Each chain contains a variable (V) and a constant (C) region. The majority of T cells contain alpha/beta TCRs, but a small subset contain gamma/delta TCRs. Alpha/beta TCRs recognize antigen as peptide fragments presented by major histocompatibility complex (MHC) molecules. Gamma/delta TCRs recognize intact protein antigens; they recognize protein antigens directly and without antigen processing, and MHC independently of the bound peptide. Gamma/delta T cells can also be stimulated by non-peptide antigens such as small phosphate- or amine-containing compounds. The variable domain of gamma/delta TCRs is responsible for antigen recognition and is located at the N-terminus of the receptor. Members of this group contain standard Ig superfamily V-set AGFCC'C"/DEB domain topology. Pssm-ID: 409503 Cd Length: 112 Bit Score: 36.73 E-value: 2.10e-03
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IgV_CD8_beta | cd07700 | Immunoglobulin (Ig) variable (V) domain of Cluster of Differentiation (CD) 8 beta chain; The ... |
4-103 | 2.14e-03 | |||
Immunoglobulin (Ig) variable (V) domain of Cluster of Differentiation (CD) 8 beta chain; The members here are composed of the immunoglobulin (Ig)-like domain in Cluster of Differentiation (CD) 8 beta. The CD8 glycoprotein plays an essential role in the control of T-cell selection, maturation, and the T-cell receptor (TCR)-mediated response to peptide antigen. CD8 is comprised of alpha and beta subunits and is expressed as either an alpha/alpha or alpha/beta dimer. Both dimeric isoforms can serve as a coreceptor for T cell activation and differentiation, however they have distinct physiological roles, different cellular distributions, unique binding partners, etc. Each CD8 subunit is comprised of an extracellular domain containing a V-type Ig-like domain, a single pass transmembrane portion, and a short intracellular domain. Members of this group contain standard Ig superfamily V-set AGFCC'C"/DEB domain topology. Pssm-ID: 409497 Cd Length: 116 Bit Score: 37.04 E-value: 2.14e-03
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