ID   CAPSD_BPB03             Reviewed;         449 AA.
AC   Q37888;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   23-FEB-2022, entry version 62.
DE   RecName: Full=Major capsid protein {ECO:0000250|UniProtKB:P13849};
DE   AltName: Full=Gene product 8 {ECO:0000250|UniProtKB:P13849};
DE            Short=gp8 {ECO:0000250|UniProtKB:P13849};
DE   AltName: Full=Major head protein {ECO:0000305};
DE   AltName: Full=Protein p8 {ECO:0000250|UniProtKB:P13849};
GN   Name=8;
OS   Bacillus phage B103 (Bacteriophage B103).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Salasmaviridae; Picovirinae; Beecentumtrevirus.
OX   NCBI_TaxID=10778;
OH   NCBI_TaxID=1423; Bacillus subtilis.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=9358052; DOI=10.1016/s0378-1119(97)00363-6;
RA   Pecenkova T., Benes V., Paces J., Vlcek C., Paces V.;
RT   "Bacteriophage B103: complete DNA sequence of its genome and relationship
RT   to other Bacillus phages.";
RL   Gene 199:157-163(1997).
CC   -!- FUNCTION: Assembles to form a prolate capsid shell of about 54 nm in
CC       length and 45 nm in width, with a T=3, Q=5 symmetry.
CC       {ECO:0000250|UniProtKB:P13849}.
CC   -!- SUBUNIT: Homohexamer. Homopentamer. The prolate capsid is composed of
CC       pentamers and hexamers of the capsid protein.
CC       {ECO:0000250|UniProtKB:P13849}.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000250|UniProtKB:P13849}.
CC       Note=Present in about 235 copies in the virion.
CC       {ECO:0000250|UniProtKB:P13849}.
CC   -!- SIMILARITY: Belongs to the phi29likevirus major capsid protein family.
CC       {ECO:0000305}.
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DR   EMBL; X99260; CAA67655.1; -; Genomic_DNA.
DR   RefSeq; NP_690641.1; NC_004165.1.
DR   SMR; Q37888; -.
DR   GeneID; 955370; -.
DR   KEGG; vg:955370; -.
DR   Proteomes; UP000000971; Genome.
DR   GO; GO:0039617; C:T=3 icosahedral viral capsid; IEA:UniProtKB-KW.
DR   InterPro; IPR003343; Big_2.
DR   Pfam; PF02368; Big_2; 1.
DR   SMART; SM00635; BID_2; 1.
PE   3: Inferred from homology;
KW   Capsid protein; Late protein; T=3 icosahedral capsid protein; Virion.
FT   CHAIN           1..449
FT                   /note="Major capsid protein"
FT                   /id="PRO_0000106573"
FT   DOMAIN          349..427
FT                   /note="BIG2"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   449 AA;  49700 MW;  4BAAEFCCFAB9A10C CRC64;
     MRVTFNDVKT SLGVTESYDI INAIRNSATD NFKTYVPLAN AENVAEVGAG ILVNQTVQNE
     FLTSLVDRIG LVIVKSISLR NPLAKFKKGA LPMGRTIEEI FTDITKEKLY DAEEAEQKVF
     EREIPNVKTL FHERNRQSFY HQTIQDDSLK TAFISWGNFE SFIASIINAI YNSAEVDEYE
     YMKLIIDNYY SKGLFKVVKV DDPMTSTGAL TNFIKKARAT ALKMTLPQGT RDYNAMAVRT
     RSDIRDVHLF IDADLNAELD VDVLAKAFNM DRTTFLGNVT VIDGFASTGL KAVMVDKDWF
     MVYDTLQKME TIRNPRGLYW NYYYHVWQVL SASRFANAVA FVTGDDVPAV TQVIVSPAIA
     SVKQGKSQAF TAYVRATDDK EHEVVWSVDG GSTGTSISSD GVLTVAANET NQLTVKATVD
     IGTADEPKPV VGEAVVNVRP DSSTGGAQA