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G6P_BPM13
ID   G6P_BPM13               Reviewed;         112 AA.
AC   P69532; P03673;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   29-SEP-2021, entry version 55.
DE   RecName: Full=Head virion protein G6P;
DE   AltName: Full=Coat protein D;
DE   AltName: Full=G6P;
GN   Name=VI;
OS   Enterobacteria phage M13 (Bacteriophage M13).
OC   Viruses; Monodnaviria; Loebvirae; Hofneiviricota; Faserviricetes;
OC   Tubulavirales; Inoviridae; Inovirus.
OX   NCBI_TaxID=1977402;
OH   NCBI_TaxID=562; Escherichia coli.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=6254849; DOI=10.1016/0378-1119(80)90093-1;
RA   van Wezenbeek P.M.G.F., Hulsebos T.J.M., Schoenmakers J.G.G.;
RT   "Nucleotide sequence of the filamentous bacteriophage M13 DNA genome:
RT   comparison with phage fd.";
RL   Gene 11:129-148(1980).
RN   [2]
RP   INTERACTION WITH PROTEIN G3P.
RX   PubMed=7746960; DOI=10.1016/0923-2508(94)90042-6;
RA   Gailus V., Ramsperger U., Johner C., Kramer H., Rasched I.;
RT   "The role of the adsorption complex in the termination of filamentous phage
RT   assembly.";
RL   Res. Microbiol. 145:699-709(1994).
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.
CC       {ECO:0000269|PubMed:7746960}.
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.
CC   -!- SIMILARITY: Belongs to the inovirus G6P protein family. {ECO:0000305}.
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DR   EMBL; V00604; CAA23863.1; -; Genomic_DNA.
DR   PIR; B04275; Z6BPM3.
DR   Proteomes; UP000002111; 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.
DR   InterPro; IPR035210; DUF5455.
DR   Pfam; PF17537; DUF5455; 1.
PE   1: Evidence at protein level;
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..112
FT                   /note="Head virion protein G6P"
FT                   /id="PRO_0000098191"
FT   TRANSMEM        3..23
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        36..56
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        80..100
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   112 AA;  12350 MW;  49A54E5FD3797859 CRC64;
     MPVLLGIPLL LRFLGFLLVT LFGYLLTFLK KGFGKIAIAI SLFLALIIGL NSILVGYLSD
     ISAQLPSDFV QGVQLILPSN ALPCFYVILS VKAAIFIFDV KQKIVSYLDW DK
 
 
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