RecName: Full=Membrane protein; Short=M protein; AltName: Full=E1 glycoprotein; AltName: Full=Matrix glycoprotein; AltName: Full=Membrane glycoprotein
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | ||||
| HCoV-like_M | cd21568 | Membrane (or Matrix) protein from human coronavirus and related betacoronaviruses in the A ... |
7-227 | 4.20e-159 | ||||
Membrane (or Matrix) protein from human coronavirus and related betacoronaviruses in the A lineage; This group contains the Membrane (M) protein of human coronaviruses (HCoVs), HCoV-OC43 and HCoV-HKU1, and similar proteins from betacoronaviruses in the embecovirus subgenera (A lineage). There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. : Pssm-ID: 394854 Cd Length: 220 Bit Score: 439.23 E-value: 4.20e-159
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| Name | Accession | Description | Interval | E-value | ||||
| HCoV-like_M | cd21568 | Membrane (or Matrix) protein from human coronavirus and related betacoronaviruses in the A ... |
7-227 | 4.20e-159 | ||||
Membrane (or Matrix) protein from human coronavirus and related betacoronaviruses in the A lineage; This group contains the Membrane (M) protein of human coronaviruses (HCoVs), HCoV-OC43 and HCoV-HKU1, and similar proteins from betacoronaviruses in the embecovirus subgenera (A lineage). There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. Pssm-ID: 394854 Cd Length: 220 Bit Score: 439.23 E-value: 4.20e-159
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| CoV_M | pfam01635 | Coronavirus M matrix/glycoprotein; This family consists of various coronavirus matrix proteins ... |
20-224 | 7.39e-99 | ||||
Coronavirus M matrix/glycoprotein; This family consists of various coronavirus matrix proteins which are transmembrane glycoproteins. The membrane (M) protein is the most abundant structural protein and defines the shape of the viral envelope, being the central organizer of coronavirus assembly. M proteins play a critical role in protein-protein interactions (as well as protein-RNA interactions) since virus-like particle (VLP) formation in many CoVs requires only the M and envelope (E) proteins for efficient virion assembly. Interaction of spike (S) with M is necessary for retention of S in the ER-Golgi intermediate compartment (ERGIC)/Golgi complex and its incorporation into new virions; binding of M to nucleocapsid (N) proteins stabilizes the nucleocapsid. Together, M and E protein make up the viral envelope and their interaction is sufficient for the production and release of virus-like particles (VLPs). Pssm-ID: 460275 Cd Length: 208 Bit Score: 286.10 E-value: 7.39e-99
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| Name | Accession | Description | Interval | E-value | ||||
| HCoV-like_M | cd21568 | Membrane (or Matrix) protein from human coronavirus and related betacoronaviruses in the A ... |
7-227 | 4.20e-159 | ||||
Membrane (or Matrix) protein from human coronavirus and related betacoronaviruses in the A lineage; This group contains the Membrane (M) protein of human coronaviruses (HCoVs), HCoV-OC43 and HCoV-HKU1, and similar proteins from betacoronaviruses in the embecovirus subgenera (A lineage). There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. Pssm-ID: 394854 Cd Length: 220 Bit Score: 439.23 E-value: 4.20e-159
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| betaCoV_M | cd21565 | betacoronavirus Membrane (or Matrix) protein; This subfamily contains the Membrane (M) protein ... |
18-227 | 1.66e-108 | ||||
betacoronavirus Membrane (or Matrix) protein; This subfamily contains the Membrane (M) protein of betacoronaviruses including the M proteins from three highly pathogenic human coronaviruses (CoVs) such as Middle East respiratory syndrome (MERS)-related CoV, severe acute respiratory syndrome (SARS) CoV, and SARS-CoV-2, also known as 2019 novel CoV (2019-nCoV) or COVID-19 virus. There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. Pssm-ID: 394851 Cd Length: 208 Bit Score: 310.47 E-value: 1.66e-108
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| CoV_M | pfam01635 | Coronavirus M matrix/glycoprotein; This family consists of various coronavirus matrix proteins ... |
20-224 | 7.39e-99 | ||||
Coronavirus M matrix/glycoprotein; This family consists of various coronavirus matrix proteins which are transmembrane glycoproteins. The membrane (M) protein is the most abundant structural protein and defines the shape of the viral envelope, being the central organizer of coronavirus assembly. M proteins play a critical role in protein-protein interactions (as well as protein-RNA interactions) since virus-like particle (VLP) formation in many CoVs requires only the M and envelope (E) proteins for efficient virion assembly. Interaction of spike (S) with M is necessary for retention of S in the ER-Golgi intermediate compartment (ERGIC)/Golgi complex and its incorporation into new virions; binding of M to nucleocapsid (N) proteins stabilizes the nucleocapsid. Together, M and E protein make up the viral envelope and their interaction is sufficient for the production and release of virus-like particles (VLPs). Pssm-ID: 460275 Cd Length: 208 Bit Score: 286.10 E-value: 7.39e-99
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| alphaCoV_M | cd21564 | alphacoronavirus Membrane (or Matrix) protein; This subfamily contains the Membrane (M) ... |
16-210 | 5.89e-64 | ||||
alphacoronavirus Membrane (or Matrix) protein; This subfamily contains the Membrane (M) protein of alphacoronaviruses including human coronaviruses (HCoVs), HCoV-229E and HCoV-NL63. There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. Pssm-ID: 394850 Cd Length: 218 Bit Score: 197.87 E-value: 5.89e-64
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| batCoV_HKU9-like_M | cd21570 | Membrane (or Matrix) protein from bat coronavirus HKU9 and related betacoronaviruses in the D ... |
12-215 | 1.11e-62 | ||||
Membrane (or Matrix) protein from bat coronavirus HKU9 and related betacoronaviruses in the D lineage; This group contains the Membrane (M) protein of Rousettus bat coronavirus HKU9, and similar proteins from betacoronaviruses in the nobecovirus subgenera (D lineage). There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. Pssm-ID: 394856 Cd Length: 217 Bit Score: 194.69 E-value: 1.11e-62
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| MERS-like-CoV_M | cd21567 | Membrane (or Matrix) protein from Middle East respiratory syndrome-related coronavirus and ... |
12-227 | 1.01e-61 | ||||
Membrane (or Matrix) protein from Middle East respiratory syndrome-related coronavirus and related betacoronaviruses in the C lineage; This group contains the Membrane (M) protein of Middle East respiratory syndrome (MERS)-related CoV, bat-CoV HKU5, and similar proteins from betacoronaviruses in the merbecovirus subgenera (C lineage). There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. Pssm-ID: 394853 Cd Length: 216 Bit Score: 192.41 E-value: 1.01e-61
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| CoV_M | cd21529 | coronavirus Membrane (or Matrix) protein; This family contains the Membrane (M) protein of ... |
18-212 | 2.62e-55 | ||||
coronavirus Membrane (or Matrix) protein; This family contains the Membrane (M) protein of coronaviruses (CoVs) including three highly pathogenic human CoVs such as Middle East respiratory syndrome (MERS)-related CoV, severe acute respiratory syndrome (SARS) CoV, and SARS-CoV-2, also known as 2019 novel CoV (2019-nCoV) or COVID-19 virus. There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. Pssm-ID: 394849 [Multi-domain] Cd Length: 198 Bit Score: 175.38 E-value: 2.62e-55
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| SARS-like-CoV_M | cd21569 | Membrane (or Matrix) protein from Severe acute respiratory syndrome (SARS) coronavirus, ... |
12-226 | 1.16e-51 | ||||
Membrane (or Matrix) protein from Severe acute respiratory syndrome (SARS) coronavirus, SARS-CoV-2, and related betacoronaviruses in the B lineage; This group contains the Membrane (M) protein of Severe acute respiratory syndrome coronavirus (SARS-CoV), SARS-CoV-2 (also known as 2019 novel CoV (2019-nCoV) or COVID-19 virus), and related proteins from betacoronaviruses in the sarbecovirus subgenera (B lineage). There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. Pssm-ID: 394855 Cd Length: 218 Bit Score: 166.72 E-value: 1.16e-51
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| gammaCoV_M | cd21566 | gammacoronavirus Membrane (or Matrix) protein; This subfamily contains the Membrane (M) ... |
12-215 | 2.88e-41 | ||||
gammacoronavirus Membrane (or Matrix) protein; This subfamily contains the Membrane (M) protein of gammacoronavirus including avian infectious bronchitis virus (IBV). There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. Pssm-ID: 394852 Cd Length: 212 Bit Score: 139.88 E-value: 2.88e-41
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| deltaCoV_M | cd21594 | deltacoronavirus Membrane (or Matrix) protein; This subfamily contains the Membrane (M) ... |
24-225 | 1.32e-27 | ||||
deltacoronavirus Membrane (or Matrix) protein; This subfamily contains the Membrane (M) protein of deltacoronaviruses including porcine deltacoronavirus and Bulbul coronavirus HKU11. There are five essential genes in CoVs that result in the following gene products: Spike (S) protein, Membrane (M) glycoprotein, Nucleocapsid (N), Envelope (E) protein, and the Orf1ab (a large polyprotein known as replicase/protease); all are required to produce a structurally complete viral particle. The M protein, a triple-spanning membrane protein, is the most abundant protein in the virion. It plays a central role in virion assembly and morphogenesis, and it defines the shape of the viral envelope. It is regarded as the central organizer of CoV assembly, interacting with all other major coronaviral structural proteins and turning cellular membranes into workshops where virus and host factors come together to make new virus particles. While homotypic interactions between the M proteins are the major driving force behind virion envelope formation, it needs to interact with other coronaviral structural proteins for complete virion formation. The interaction of the Spike protein with M is not required for the assembly process. However, binding of M to N protein stabilizes the nucleocapsid (N protein-RNA complex), as well as the internal core of virions, and thereby promotes completion of viral assembly. Thus, the M protein, and its interactions with other structural proteins, is necessary for the production and release of virus-like particles. Pssm-ID: 394857 Cd Length: 217 Bit Score: 104.45 E-value: 1.32e-27
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