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Conserved domains on  [gi|10433686|dbj|BAB14009|]
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unnamed protein product [Homo sapiens]

Protein Classification

calponin homology domain-containing protein( domain architecture ID 289)

calponin homology (CH) domain-containing protein may bind actin filament (F-actin) or serve a regulatory function

CATH:  1.10.418.10
Gene Ontology:  GO:0008017
PubMed:  12186940|11911887

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
CH_SF super family cl00030
calponin homology (CH) domain superfamily; CH domains are actin filament (F-actin) binding ...
91-133 8.47e-25

calponin homology (CH) domain superfamily; CH domains are actin filament (F-actin) binding motifs, which may be present as a single copy or in tandem repeats (which increase binding affinity). They either function as autonomous actin binding motifs or serve a regulatory function. CH domains are found in cytoskeletal and signal transduction proteins, including actin-binding proteins like spectrin, alpha-actinin, dystrophin, utrophin, and fimbrin, as well as proteins essential for regulation of cell shape (cortexillins), and signaling proteins (Vav).


The actual alignment was detected with superfamily member cd21335:

Pssm-ID: 469584  Cd Length: 115  Bit Score: 92.79  E-value: 8.47e-25
                        10        20        30        40
                ....*....|....*....|....*....|....*....|...
gi 10433686  91 DPKLQELMKVLIDWINDVLVGERIIVKDLAEDLYDGQVLQKLF 133
Cdd:cd21335   1 DPKLQELMKVLIDWINDVLVGERIIVKDLAEDLYDGQVLQKLF 43
 
Name Accession Description Interval E-value
CH_PARVA_rpt1 cd21335
first calponin homology (CH) domain found in alpha-parvin; Alpha-parvin, also called actopaxin, ...
91-133 8.47e-25

first calponin homology (CH) domain found in alpha-parvin; Alpha-parvin, also called actopaxin, calponin-like integrin-linked kinase-binding protein (CH-ILKBP), or matrix-remodeling-associated protein 2, plays a role in sarcomere organization and in smooth muscle cell contraction. It is required for normal development of the embryonic cardiovascular system, and for normal septation of the heart outflow tract. It is also involved in the reorganization of the actin cytoskeleton, the formation of lamellipodia and ciliogenesis, as well as in the establishement of cell polarity, cell adhesion, cell spreading, and directed cell migration. Alpha-parvin contains two copies of the CH domain. This model corresponds to the first CH domain. CH domains are actin filament (F-actin) binding motifs.


Pssm-ID: 409184  Cd Length: 115  Bit Score: 92.79  E-value: 8.47e-25
                        10        20        30        40
                ....*....|....*....|....*....|....*....|...
gi 10433686  91 DPKLQELMKVLIDWINDVLVGERIIVKDLAEDLYDGQVLQKLF 133
Cdd:cd21335   1 DPKLQELMKVLIDWINDVLVGERIIVKDLAEDLYDGQVLQKLF 43
CH pfam00307
Calponin homology (CH) domain; The CH domain is found in both cytoskeletal proteins and signal ...
95-135 3.96e-06

Calponin homology (CH) domain; The CH domain is found in both cytoskeletal proteins and signal transduction proteins. The CH domain is involved in actin binding in some members of the family. However in calponins there is evidence that the CH domain is not involved in its actin binding activity. Most member proteins have from two to four copies of the CH domain, however some proteins such as calponin have only a single copy.


Pssm-ID: 425596 [Multi-domain]  Cd Length: 109  Bit Score: 43.81  E-value: 3.96e-06
                          10        20        30        40
                  ....*....|....*....|....*....|....*....|...
gi 10433686    95 QELMKVLIDWINDVLV--GERIIVKDLAEDLYDGQVLQKLFGR 135
Cdd:pfam00307   1 LELEKELLRWINSHLAeyGPGVRVTNFTTDLRDGLALCALLNK 43
 
Name Accession Description Interval E-value
CH_PARVA_rpt1 cd21335
first calponin homology (CH) domain found in alpha-parvin; Alpha-parvin, also called actopaxin, ...
91-133 8.47e-25

first calponin homology (CH) domain found in alpha-parvin; Alpha-parvin, also called actopaxin, calponin-like integrin-linked kinase-binding protein (CH-ILKBP), or matrix-remodeling-associated protein 2, plays a role in sarcomere organization and in smooth muscle cell contraction. It is required for normal development of the embryonic cardiovascular system, and for normal septation of the heart outflow tract. It is also involved in the reorganization of the actin cytoskeleton, the formation of lamellipodia and ciliogenesis, as well as in the establishement of cell polarity, cell adhesion, cell spreading, and directed cell migration. Alpha-parvin contains two copies of the CH domain. This model corresponds to the first CH domain. CH domains are actin filament (F-actin) binding motifs.


Pssm-ID: 409184  Cd Length: 115  Bit Score: 92.79  E-value: 8.47e-25
                        10        20        30        40
                ....*....|....*....|....*....|....*....|...
gi 10433686  91 DPKLQELMKVLIDWINDVLVGERIIVKDLAEDLYDGQVLQKLF 133
Cdd:cd21335   1 DPKLQELMKVLIDWINDVLVGERIIVKDLAEDLYDGQVLQKLF 43
CH_PARVA_B_rpt1 cd21304
first calponin homology (CH) domain found in the alpha/beta parvin subfamily; The alpha/beta ...
96-133 3.22e-20

first calponin homology (CH) domain found in the alpha/beta parvin subfamily; The alpha/beta parvin subfamily includes alpha-parvin and beta-parvin. Alpha-parvin, also called actopaxin, calponin-like integrin-linked kinase-binding protein (CH-ILKBP), or matrix-remodeling-associated protein 2, plays a role in sarcomere organization and in smooth muscle cell contraction. It is required for normal development of the embryonic cardiovascular system, and for normal septation of the heart outflow tract. Beta-parvin, also called affixin, is an adapter protein that plays a role in integrin signaling via ILK and in activation of the GTPases Cdc42 and Rac1 by guanine exchange factors, such as ARHGEF6. Both alpha-parvin and beta-parvin are involved in the reorganization of the actin cytoskeleton and the formation of lamellipodia, and both play roles in cell adhesion, cell spreading, establishment or maintenance of cell polarity, and cell migration. Members of this subfamily contain two copies of the CH domain. This model corresponds to the first CH domain. CH domains are actin filament (F-actin) binding motifs.


Pssm-ID: 409153  Cd Length: 107  Bit Score: 80.82  E-value: 3.22e-20
                        10        20        30
                ....*....|....*....|....*....|....*...
gi 10433686  96 ELMKVLIDWINDVLVGERIIVKDLAEDLYDGQVLQKLF 133
Cdd:cd21304   1 ELIKVLIEWINDELAEQRIIVKDIEEDLYDGQVLQKLL 38
CH_PARVB_rpt1 cd21336
first calponin homology (CH) domain found in beta-parvin; Beta-parvin, also called affixin, is ...
96-133 1.74e-18

first calponin homology (CH) domain found in beta-parvin; Beta-parvin, also called affixin, is an adapter protein that plays a role in integrin signaling via ILK and in activation of the GTPases Cdc42 and Rac1 by guanine exchange factors, such as ARHGEF6. It is involved in the reorganization of the actin cytoskeleton and the formation of lamellipodia and also plays a role in cell adhesion, cell spreading, establishment or maintenance of cell polarity, and cell migration. Beta-parvin contains two copies of the CH domain. This model corresponds to the first CH domain. CH domains are actin filament (F-actin) binding motifs.


Pssm-ID: 409185  Cd Length: 106  Bit Score: 76.47  E-value: 1.74e-18
                        10        20        30
                ....*....|....*....|....*....|....*...
gi 10433686  96 ELMKVLIDWINDVLVGERIIVKDLAEDLYDGQVLQKLF 133
Cdd:cd21336   1 ELVKVLIDWINDVLVEERIIVKDLEEDLYDGQVLQKLL 38
CH_PARV_rpt1 cd21221
first calponin homology (CH) domain found in the parvin family; The parvin family includes ...
96-133 1.87e-16

first calponin homology (CH) domain found in the parvin family; The parvin family includes alpha-parvin, beta-parvin, and gamma-parvin. Alpha-parvin, also called actopaxin, calponin-like integrin-linked kinase-binding protein (CH-ILKBP), or matrix-remodeling-associated protein 2, plays a role in sarcomere organization and in smooth muscle cell contraction. It is required for normal development of the embryonic cardiovascular system, and for normal septation of the heart outflow tract. Beta-parvin, also called affixin, is an adapter protein that plays a role in integrin signaling via ILK and in activation of the GTPases Cdc42 and Rac1 by guanine exchange factors, such as ARHGEF6. Both alpha-parvin and beta-parvin are involved in the reorganization of the actin cytoskeleton and the formation of lamellipodia, and both play roles in cell adhesion, cell spreading, establishment or maintenance of cell polarity, and cell migration. Gamma-parvin probably plays a role in the regulation of cell adhesion and cytoskeleton organization. Members of this family contain two copies of the CH domain. This model corresponds to the first CH domain. CH domains are actin filament (F-actin) binding motifs.


Pssm-ID: 409070  Cd Length: 106  Bit Score: 71.15  E-value: 1.87e-16
                        10        20        30
                ....*....|....*....|....*....|....*...
gi 10433686  96 ELMKVLIDWINDVLVGERIIVKDLAEDLYDGQVLQKLF 133
Cdd:cd21221   1 ELVRVLTEWINEELADDRIVVRDLEEDLFDGQVLQALL 38
CH_PARVG_rpt1 cd21305
first calponin homology (CH) domain found in gamma-parvin; Gamma-parvin probably plays a role ...
96-135 1.78e-09

first calponin homology (CH) domain found in gamma-parvin; Gamma-parvin probably plays a role in the regulation of cell adhesion and cytoskeleton organization. It contains two copies of the CH domain. This model corresponds to the first CH domain. CH domains are actin filament (F-actin) binding motifs.


Pssm-ID: 409154  Cd Length: 106  Bit Score: 52.80  E-value: 1.78e-09
                        10        20        30        40
                ....*....|....*....|....*....|....*....|
gi 10433686  96 ELMKVLIDWINDVLVGERIIVKDLAEDLYDGQVLQKLFGR 135
Cdd:cd21305   1 ELKEVLIDWINTTLKQEHIVVKSLEEDLYDGLVLHHLLVK 40
CH pfam00307
Calponin homology (CH) domain; The CH domain is found in both cytoskeletal proteins and signal ...
95-135 3.96e-06

Calponin homology (CH) domain; The CH domain is found in both cytoskeletal proteins and signal transduction proteins. The CH domain is involved in actin binding in some members of the family. However in calponins there is evidence that the CH domain is not involved in its actin binding activity. Most member proteins have from two to four copies of the CH domain, however some proteins such as calponin have only a single copy.


Pssm-ID: 425596 [Multi-domain]  Cd Length: 109  Bit Score: 43.81  E-value: 3.96e-06
                          10        20        30        40
                  ....*....|....*....|....*....|....*....|...
gi 10433686    95 QELMKVLIDWINDVLV--GERIIVKDLAEDLYDGQVLQKLFGR 135
Cdd:pfam00307   1 LELEKELLRWINSHLAeyGPGVRVTNFTTDLRDGLALCALLNK 43
CH_SF cd00014
calponin homology (CH) domain superfamily; CH domains are actin filament (F-actin) binding ...
98-132 4.20e-03

calponin homology (CH) domain superfamily; CH domains are actin filament (F-actin) binding motifs, which may be present as a single copy or in tandem repeats (which increase binding affinity). They either function as autonomous actin binding motifs or serve a regulatory function. CH domains are found in cytoskeletal and signal transduction proteins, including actin-binding proteins like spectrin, alpha-actinin, dystrophin, utrophin, and fimbrin, as well as proteins essential for regulation of cell shape (cortexillins), and signaling proteins (Vav).


Pssm-ID: 409031 [Multi-domain]  Cd Length: 103  Bit Score: 35.39  E-value: 4.20e-03
                        10        20        30
                ....*....|....*....|....*....|....*.
gi 10433686  98 MKVLIDWINDVLVGERII-VKDLAEDLYDGQVLQKL 132
Cdd:cd00014   1 EEELLKWINEVLGEELPVsITDLFESLRDGVLLCKL 36
CH_NAV3 cd21286
calponin homology (CH) domain found in neuron navigator 3; Neuron navigator 3 (NAV3), also ...
99-143 5.57e-03

calponin homology (CH) domain found in neuron navigator 3; Neuron navigator 3 (NAV3), also called pore membrane and/or filament-interacting-like protein 1 (POMFIL1), Steerin-3 (STEERIN3), or Unc-53 homolog 3 (unc53H3), may regulate IL2 production by T-cells. It may be involved in neuron regeneration. NAV3 contains a single copy of the CH domain at the N-terminus. CH domains are actin filament (F-actin) binding motifs.


Pssm-ID: 409135  Cd Length: 105  Bit Score: 35.01  E-value: 5.57e-03
                        10        20        30        40        50
                ....*....|....*....|....*....|....*....|....*....|.
gi 10433686  99 KVLIDWINDVLV--GERIIVKDLAEDLYDG----QVLQKLFGRRVECCNGC 143
Cdd:cd21286   3 KIYTDWANHYLAksGHKRLIKDLQQDIADGvllaEIIQIIANEKVEDINGC 53
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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