ID   K_BPPHS                 Reviewed;          56 AA.
AC   P69594; P03653;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   02-DEC-2020, entry version 44.
DE   RecName: Full=Protein K;
GN   Name=K;
OS   Enterobacteria phage phiX174 (Isolate Sanger) (Bacteriophage phi-X174).
OC   Viruses; Monodnaviria; Sangervirae; Phixviricota; Malgrandaviricetes;
OC   Petitvirales; Microviridae; Bullavirinae; Sinsheimervirus.
OX   NCBI_TaxID=1217068;
OH   NCBI_TaxID=498388; Escherichia coli C.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=870828; DOI=10.1038/265687a0;
RA   Sanger F., Air G.M., Barrell B.G., Brown N.L., Coulson A.R., Fiddes J.C.,
RA   Hutchison C.A. III, Slocombe P.M., Smith M.;
RT   "Nucleotide sequence of bacteriophage phi X174 DNA.";
RL   Nature 265:687-695(1977).
RN   [2]
RP   SEQUENCE REVISION.
RX   PubMed=731693; DOI=10.1016/0022-2836(78)90346-7;
RA   Sanger F., Coulson A.R., Friedmann T., Air G.M., Barrell B.G., Brown N.L.,
RA   Fiddes J.C., Hutchison C.A. III, Slocombe P.M., Smith M.;
RT   "The nucleotide sequence of bacteriophage phiX174.";
RL   J. Mol. Biol. 125:225-246(1978).
RN   [3]
RP   FUNCTION.
RX   PubMed=3155803; DOI=10.1128/jvi.53.2.708-709.1985;
RA   Gillam S., Atkinson T., Markham A., Smith M.;
RT   "Gene K of bacteriophage phi X174 codes for a protein which affects the
RT   burst size of phage production.";
RL   J. Virol. 53:708-709(1985).
CC   -!- FUNCTION: Somehow affects phage production, although the protein does
CC       not seem to be essential. {ECO:0000269|PubMed:3155803}.
CC   -!- MISCELLANEOUS: Gene K overlaps genes B, A, and C.
CC   -!- SIMILARITY: Belongs to the microvirus K protein family. {ECO:0000305}.
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DR   EMBL; J02482; AAA32573.1; -; Genomic_DNA.
DR   PIR; F93185; ZKBPF4.
DR   SMR; P69594; -.
DR   Proteomes; UP000005893; Genome.
DR   InterPro; IPR020962; Phage_phiX174_GpK.
DR   Pfam; PF12283; Protein_K; 1.
PE   3: Inferred from homology;
KW   Reference proteome.
FT   CHAIN           1..56
FT                   /note="Protein K"
FT                   /id="PRO_0000164912"
SQ   SEQUENCE   56 AA;  6392 MW;  865CC0F87B0CC14F CRC64;
     MSRKIILIKQ ELLLLVYELN RSGLLAENEK IRPILAQLEK LLLCDLSPST NDSVKN