| Primary Identifier | IPR021145 | Type | Family |
| Short Name | Portal_protein |
| description | The bacteriophage portal protein forms a gateway, or portal, enabling DNA passage during packaging and ejection of the phage genome. It also forms the junction between the phage head (capsid) and the tail proteins []. During SPP1 morphogenesis, Gp6 participates in the procapsid assembly reaction [, ].In the mature SPP1 virion, the portal protein, GP6, exists as a dodecamer, whereas recombinant SPP1 Gp6 has been shown to form 13-subunit assemblies [, ].This entry includes Bacillus phage SPP1-type portal proteins, Mycobacterium phage portal proteins and putative portal proteins of the Listeria phage A118-type. |
