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UniProt functional annotation for Q71AW2 | ||
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| UniProt codes: Q71AW2, Q1RNF7. |
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| Organism: | |
Lactococcus phage p2 (Lactococcus lactis bacteriophage p2). |
| Taxonomy: | |
Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes; Caudovirales; Siphoviridae; Skunavirus. |
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| Function: | |
Binds to the host phosphopolysaccharides at the onset of infection. Upon activation by calcium, the receptor binding proteins change their conformation, presenting their binding sites to the host, and a channel opens at the bottom of the baseplate for DNA ejection. {ECO:0000269|PubMed:20351260, ECO:0000269|PubMed:24027307}. |
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| Subunit: | |
Homotrimer; found as an assembly of 6 homotrimers (PubMed:20351260, PubMed:24027307). Interacts with host phosphopolysaccharides; this allows the virus to bind the external cell wall layer (PubMed:16547026, PubMed:20351260, PubMed:24027307). Interacts with the distal tail protein (PubMed:24027307). {ECO:0000269|PubMed:20351260, ECO:0000269|PubMed:24027307}. |
| Subcellular location: | |
Virion {ECO:0000269|PubMed:20351260, ECO:0000269|PubMed:24027307}. Note=Part of the baseplate. {ECO:0000269|PubMed:20351260, ECO:0000269|PubMed:24027307}. |
| Domain: | |
The C-terminus is involved in host receptor binding. Host- recognition domains point upwards, towards the capsid. {ECO:0000269|PubMed:24027307}. |
| Similarity: | |
Belongs to the skunalikevirus receptor binding protein family. {ECO:0000305}. |
Annotations taken from UniProtKB at the EBI.