ID   CAPSD_BPLSK             Reviewed;         393 AA.
AC   O21874;
DT   02-NOV-2016, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   23-FEB-2022, entry version 49.
DE   RecName: Full=Capsid protein {ECO:0000250|UniProtKB:D3WAC5};
DE   AltName: Full=Gene product 6 {ECO:0000305};
DE            Short=gp6 {ECO:0000305};
OS   Lactococcus phage SK1 (Lactococcus lactis bacteriophage SK1).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Siphoviridae; Skunavirus.
OX   NCBI_TaxID=31532;
OH   NCBI_TaxID=1358; Lactococcus lactis.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=9383189; DOI=10.1046/j.1365-2958.1997.5491926.x;
RA   Chandry P.S., Moore S.C., Boyce J.D., Davidson B.E., Hillier A.J.;
RT   "Analysis of the DNA sequence, gene expression, origin of replication and
RT   modular structure of the Lactococcus lactis lytic bacteriophage sk1.";
RL   Mol. Microbiol. 26:49-64(1997).
CC   -!- FUNCTION: Capsid protein self-assembles to form an icosahedral capsid
CC       with a T=7 symmetry, about 69 nm in diameter, and consisting of 60
CC       capsid proteins hexamers and 11 pentamers. The capsid encapsulates the
CC       genomic DNA. {ECO:0000250|UniProtKB:D3WAC5}.
CC   -!- SUBUNIT: Homomultimer. {ECO:0000250|UniProtKB:D3WAC5}.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000250|UniProtKB:D3WAC5}. Note=Main
CC       component of the capsid. {ECO:0000250|UniProtKB:D3WAC5}.
CC   -!- PTM: Probably cleaved by the viral protease during maturation.
CC       {ECO:0000250|UniProtKB:D3WAC5}.
CC   -!- SIMILARITY: Belongs to the Skunalikevirus capsid protein family.
CC       {ECO:0000305}.
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DR   EMBL; AF011378; AAB70045.1; -; Genomic_DNA.
DR   RefSeq; NP_044952.1; NC_001835.1.
DR   PRIDE; O21874; -.
DR   GeneID; 1261309; -.
DR   KEGG; vg:1261309; -.
DR   Proteomes; UP000000839; Genome.
DR   GO; GO:0039620; C:T=7 icosahedral viral capsid; IEA:UniProtKB-KW.
DR   InterPro; IPR024455; Phage_capsid.
DR   TIGRFAMs; TIGR01554; major_cap_HK97; 1.
PE   3: Inferred from homology;
KW   Capsid protein; Coiled coil; Reference proteome;
KW   T=7 icosahedral capsid protein; Virion.
FT   CHAIN           1..393
FT                   /note="Capsid protein"
FT                   /id="PRO_0000438262"
FT   COILED          5..69
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   393 AA;  43705 MW;  98237FC3B0B2EC22 CRC64;
     MNKPDLIEKQ NRLAELKENN VSLKSQISGF EVKNAIEDLP KVQELEKTLS ENSIEIIKIE
     NELNAQEEKP KGKDKMTNFI ESQNAVTEFF DVLKKNSGKS EIKNAWSAKL AENGVTITDT
     TFQLPRKLVE SINTALLNTN PVFKVFHVTN VGALLVSRSF DSANEAQVHK DGQTKTEQAA
     TLTIDTLEPV MVYKLQSLAE RVKRLQMSYS ELYNLIVAEL TQAIVNKIVD LALVEGDGTN
     GFKSIDKEAD VKKIKKITTK AKSAGKTPFA DAIEEAVDFV RPTAGRRYLI VKTEDRKALL
     DELRQATANA NVRIKNDDTE IASEVGVDEI IVYTGSKALK PTVLVDQKYH IDMQDLTKVD
     AFEWKTNSNM ILVETLTSGH VETYNAGAVI TVS