ID   YBCO_BP82               Reviewed;          96 AA.
AC   P68662; Q37872; Q47271;
DT   07-DEC-2004, integrated into UniProtKB/Swiss-Prot.
DT   07-DEC-2004, sequence version 1.
DT   03-AUG-2022, entry version 32.
DE   RecName: Full=Putative nuclease ybcO;
DE            EC=3.1.-.-;
GN   Name=ybcO;
OS   Enterobacteria phage 82 (Bacteriophage 82).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Siphoviridae; Lambdavirus; unclassified Lambdavirus.
OX   NCBI_TaxID=10705;
OH   NCBI_TaxID=562; Escherichia coli.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8648624; DOI=10.1006/jmbi.1996.0185;
RA   Mahdi A.A., Sharples G.J., Mandal T.N., Lloyd R.G.;
RT   "Holliday junction resolvases encoded by homologous rusA genes in
RT   Escherichia coli K-12 and phage 82.";
RL   J. Mol. Biol. 257:561-573(1996).
CC   -!- FUNCTION: Based on its fold and a conserved His residue, has been
CC       predicted to be a nuclease. {ECO:0000250|UniProtKB:P68661}.
CC   -!- SIMILARITY: Belongs to the YbcO family. {ECO:0000305}.
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DR   EMBL; X92588; CAA63329.1; -; Genomic_DNA.
DR   PIR; S66582; S66582.
DR   SMR; P68662; -.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0004518; F:nuclease activity; IEA:UniProtKB-KW.
DR   InterPro; IPR010774; YbcO.
DR   Pfam; PF07102; DUF1364; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Metal-binding; Nuclease; Zinc.
FT   CHAIN           1..96
FT                   /note="Putative nuclease ybcO"
FT                   /id="PRO_0000168655"
FT   ACT_SITE        32
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250|UniProtKB:P68661"
FT   BINDING         13
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P68661"
FT   BINDING         21
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P68661"
FT   BINDING         54
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P68661"
FT   BINDING         57
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P68661"
SQ   SEQUENCE   96 AA;  10348 MW;  AB066A8AE7B273C7 CRC64;
     MADLRKAARG RECQVRIPGV CNGNPETSVL AHIRLTGLCG TGTKPPDLIA TIACSACHDE
     IDRRTHFVDA GYAKECALEG MARTQVIWLK EGVIKA