ID   BPI_BPP2                Reviewed;         176 AA.
AC   P26701;
DT   01-AUG-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1992, sequence version 1.
DT   02-DEC-2020, entry version 79.
DE   RecName: Full=Baseplate protein I {ECO:0000305};
DE   AltName: Full=Gene I protein {ECO:0000305};
DE            Short=GpI;
GN   Name=I;
OS   Escherichia phage P2 (Bacteriophage P2).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Myoviridae; Peduovirinae; Peduovirus.
OX   NCBI_TaxID=10679;
OH   NCBI_TaxID=543; Enterobacteriaceae.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], FUNCTION, AND SUBCELLULAR LOCATION.
RX   PubMed=1531648; DOI=10.1128/jb.174.5.1462-1477.1992;
RA   Haggaard-Ljungquist E., Halling C., Calendar R.;
RT   "DNA sequences of the tail fiber genes of bacteriophage P2: evidence for
RT   horizontal transfer of tail fiber genes among unrelated bacteriophages.";
RL   J. Bacteriol. 174:1462-1477(1992).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=7483254; DOI=10.1006/viro.1995.1551;
RA   Haggaard-Ljungquist E., Jacobsen E., Rishovd S., Six E.W., Nilssen O.,
RA   Sunshine M.G., Lindqvist B.H., Kim K.-J., Barreiro V., Koonin E.V.,
RA   Calendar R.;
RT   "Bacteriophage P2: genes involved in baseplate assembly.";
RL   Virology 213:109-121(1995).
RN   [3]
RP   REVIEW ON FUNCTION.
RX   PubMed=22297511; DOI=10.1007/978-1-4614-0980-9_5;
RA   Leiman P.G., Shneider M.M.;
RT   "Contractile tail machines of bacteriophages.";
RL   Adv. Exp. Med. Biol. 726:93-114(2012).
CC   -!- FUNCTION: Baseplate protein that may be part of the wedges of the
CC       baseplate. Plays a role in tail assembly. {ECO:0000269|PubMed:1531648,
CC       ECO:0000269|PubMed:7483254, ECO:0000303|PubMed:22297511}.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000269|PubMed:7483254}. Note=Part of
CC       the baseplate. {ECO:0000269|PubMed:7483254}.
CC   -!- INDUCTION: Expressed in the late phase of the viral replicative cycle.
CC       {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the P2likevirus gpI protein family.
CC       {ECO:0000305}.
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DR   EMBL; AF063097; AAD03285.1; -; Genomic_DNA.
DR   PIR; A42291; A42291.
DR   RefSeq; NP_046774.1; NC_001895.1.
DR   SMR; P26701; -.
DR   GeneID; 1261551; -.
DR   KEGG; vg:1261551; -.
DR   Proteomes; UP000009092; Genome.
DR   GO; GO:0098025; C:virus tail, baseplate; IEA:UniProtKB-KW.
DR   GO; GO:0098003; P:viral tail assembly; IEA:UniProtKB-KW.
DR   InterPro; IPR006521; Tail_protein_I.
DR   Pfam; PF09684; Tail_P2_I; 1.
DR   TIGRFAMs; TIGR01634; tail_P2_I; 1.
PE   3: Inferred from homology;
KW   Late protein; Reference proteome; Viral baseplate protein;
KW   Viral release from host cell; Viral tail assembly; Viral tail protein;
KW   Virion.
FT   CHAIN           1..176
FT                   /note="Baseplate protein I"
FT                   /id="PRO_0000165253"
SQ   SEQUENCE   176 AA;  19584 MW;  EADA32BCAFECEF1E CRC64;
     MSDSRLLPTG SSPLEVAAAK ACAEIEKTPV SIRELWNPDT CPANLLPWLA WAFSVDRWDE
     KWPEATKRAV IRDAYFIHCH KGTIGAIRRV VEPLGYLINV TEWWENSDPP GTFRLDIGVL
     ESGITEAMYQ EMERLIADAK PASRHLIGLN ITRDIPGYLF AGGVAYDGDV ITVYPG