ID   G6P_BPPHL               Reviewed;          95 AA.
AC   O55246;
DT   07-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1998, sequence version 1.
DT   29-SEP-2021, entry version 48.
DE   RecName: Full=Head virion protein G6P;
DE   AltName: Full=Coat protein D;
DE   AltName: Full=G6P;
GN   Name=VI;
OS   Xanthomonas phage phiLf (Bacteriophage phi-Lf).
OC   Viruses; Monodnaviria; Loebvirae; Hofneiviricota; Faserviricetes;
OC   Tubulavirales; Inoviridae; unclassified Inoviridae.
OX   NCBI_TaxID=28365;
OH   NCBI_TaxID=340; Xanthomonas campestris pv. campestris.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8654978; DOI=10.1016/0378-1119(96)00197-7;
RA   Wen F.S., Tseng Y.H.;
RT   "Nucleotide sequence of the gene presumably encoding the adsorption protein
RT   of filamentous phage phi Lf.";
RL   Gene 172:161-162(1996).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=9367841; DOI=10.1006/bbrc.1997.7548;
RA   Liu T.J., Wen F.S., Tseng T.T., Yang M.T., Lin N.T., Tseng Y.H.;
RT   "Identification of gene VI of filamentous phage phi Lf coding for a 10-kDa
RT   minor coat protein.";
RL   Biochem. Biophys. Res. Commun. 239:752-755(1997).
CC   -!- FUNCTION: Plays essential roles both in the entry of the viral genome
CC       into the bacterial host and in budding process. The formation of the
CC       G3P-G6P complex termed adsorption complex is essential for correct
CC       termination of filamentous phage assembly.
CC   -!- SUBUNIT: Interacts with G3P; this interaction is required for proper
CC       integration of G3P and G6P into the virion. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000305}. Host membrane
CC       {ECO:0000305}; Multi-pass membrane protein {ECO:0000305}. Note=Prior to
CC       assembly, G6P is found associated with the bacterial host inner
CC       membrane. There are about five copies of G6P in the mature virion. They
CC       are located together with G3P at the head side of the filamentous
CC       virion (By similarity). {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the inovirus G6P protein family. {ECO:0000305}.
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DR   EMBL; AF018286; AAB88260.1; -; Genomic_DNA.
DR   PIR; JC5767; JC5767.
DR   Proteomes; UP000007611; Genome.
DR   GO; GO:0033644; C:host cell membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0039667; P:viral entry into host cell via pilus retraction; IEA:UniProtKB-KW.
PE   3: Inferred from homology;
KW   Host membrane; Membrane; Reference proteome; Transmembrane;
KW   Transmembrane helix; Viral penetration into host cytoplasm;
KW   Viral penetration into host cytoplasm via pilus retraction; Virion;
KW   Virus entry into host cell.
FT   CHAIN           1..95
FT                   /note="Head virion protein G6P"
FT                   /id="PRO_0000378349"
FT   TRANSMEM        20..40
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        44..64
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        66..86
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   95 AA;  10276 MW;  47C5EF797E6478A4 CRC64;
     MAVACGQDGV AGDCRFLGDL FVMWLEQSLS AILYVLTLLP MPDFMKGQSI GGMLGNAGST
     ILWFADVFMI GPALVMIGAA MIFFLLRRVL TLGIW