ID   ENDON_BPLSK             Reviewed;          94 AA.
AC   O21871;
DT   02-NOV-2016, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   12-AUG-2020, entry version 58.
DE   RecName: Full=Probable HNH endonuclease {ECO:0000250|UniProtKB:D3WAC2};
DE            EC=3.1.-.-;
DE   AltName: Full=Gene product 3 {ECO:0000305};
DE            Short=gp3 {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: Probable HNH endonuclease. {ECO:0000250|UniProtKB:D3WAC2}.
CC   -!- SIMILARITY: Belongs to the skunalikevirus HNH endonuclease family.
CC       {ECO:0000305}.
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DR   EMBL; AF011378; AAB70042.1; -; Genomic_DNA.
DR   RefSeq; NP_044949.1; NC_001835.1.
DR   SMR; O21871; -.
DR   GeneID; 1261299; -.
DR   KEGG; vg:1261299; -.
DR   Proteomes; UP000000839; Genome.
DR   GO; GO:0004519; F:endonuclease activity; IEA:UniProtKB-KW.
DR   GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR   CDD; cd00085; HNHc; 1.
DR   InterPro; IPR002711; HNH.
DR   InterPro; IPR003615; HNH_nuc.
DR   Pfam; PF01844; HNH; 1.
DR   SMART; SM00507; HNHc; 1.
PE   3: Inferred from homology;
KW   Endonuclease; Hydrolase; Nuclease; Reference proteome.
FT   CHAIN           1..94
FT                   /note="Probable HNH endonuclease"
FT                   /id="PRO_0000438257"
SQ   SEQUENCE   94 AA;  11188 MW;  C01FB3CAB2F88CCB CRC64;
     MKYNVDTVRE SGWYNKKEWL AVRDYVRQRD KMTCVRCGAF GAKKYEVDHI VELTWENLDD
     WNIALNPDNL QLLCKSCHNK KTSEYKRGKG VSLW