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Vi01_157c

Gene
Vi01_157c
Protein
Portal protein
Organism
Salmonella phage ViI
Length
560 amino acids
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. Binds to the terminase subunits to form the packaging machine.
Similarity
Belongs to the Tevenvirinae portal protein family.
Mass
63.106 kDa
Sequence
MAGYGRGFFGLFGGGGLVNAKVDTDKLAQKQDERLLTKATVVALDDAQDGSIILQGGANTYNYVGVESELLSVKTVVEEYQSMAQQPEIRKAVDIIVNDVVTCEEDETPVTVNLDKVEGISDTVKESITECFKEVMHLMDFDNTAYQKIRKWYVDGRQAYHVIVDPTNKKGGIKKLVMLDSRCIRPVYIVEKAMREGGIEAIESVTLKYYYNPNYNRNQFTGQSGTSQNFQPSQQELVFDDESIVYIDSGEEPLANGIVPGLLNPAIRPLNNLVTTEDATVIYAITRAPEKRAFYLDVGTLGKKSAEEYMTMMMGKFKNRNAYDRTTGKITGNAHLMGIAEDYWLPRREGQNATEIATVGGGNQLGEMDHVNYFREKLYDALMIPKSRLQEEGSINIGGSNLAEITQEELRFSKFCAGLRRRYSHFFMEFLRRQLILKGVTDEKDWNEKIKPFIKFEFTSDSYIREQQENAILNDRLASLNTVEPFVGSIFSIDYVMRNVLRMSDEEVKEQQAKIAEEKKKGLYPKVQADETGNYSGSDVSPLKFKPETLPFSGSTDDSI