HAMAP rule MF_04120
General rule information
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Accession | MF_04120 |
Dates | 18-JAN-2018 (Created) 23-AUG-2022 (Last updated, Version 4) |
Name | PORTAL_PROTEIN_T7 |
Scope | Viruses; Caudoviricetes |
Template | P03728 (PORTL_BPT7) |
Triggered by |
Propagated annotation
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Identifier, protein and gene names
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Identifier |
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Protein name |
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Comments
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Function | Forms the portal vertex of the capsid. This portal plays critical roles in head assembly, genome packaging, neck/tail attachment, and genome ejection. The portal protein multimerizes as a single ring-shaped homododecamer arranged around a central channel. |
Subunit | Homododecamer. Interacts with major capsid protein. Interacts with the tail tube protein gp11. Interacts with the terminase large subunit. Interacts with the internal virion protein gp14. |
Subcellular location | Virion. |
Similarity | Belongs to the podoviridae portal protein family. |
Keywords
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Capsid protein
Viral capsid assembly
Viral genome ejection through host cell envelope
Viral genome packaging
Viral penetration into host cytoplasm
Viral release from host cell
Viral short tail ejection system
Virion
Virus entry into host cell
Viral capsid assembly
Viral genome ejection through host cell envelope
Viral genome packaging
Viral penetration into host cytoplasm
Viral release from host cell
Viral short tail ejection system
Virion
Virus entry into host cell
Gene Ontology
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GO:0019028; Cellular component: viral capsid.
GO:0099002; Biological process: viral genome ejection through host cell envelope, short tail mechanism.
GO:0046798; Cellular component: viral portal complex.
GO:0019073; Biological process: viral DNA genome packaging.
GO:0099002; Biological process: viral genome ejection through host cell envelope, short tail mechanism.
GO:0046798; Cellular component: viral portal complex.
GO:0019073; Biological process: viral DNA genome packaging.
Cross-references
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Pfam | PF12236; Head-tail_con; 1; |
Additional information
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Size range | 500-600 amino acids |
Related rules | None |
Fusion | None |