ID   YAJD_ECOL6              Reviewed;         115 AA.
AC   P0AAQ3; P19678; P77666;
DT   11-OCT-2005, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2005, sequence version 1.
DT   25-MAY-2022, entry version 71.
DE   RecName: Full=Putative HNH nuclease YajD;
DE            EC=3.1.-.-;
GN   Name=yajD; OrderedLocusNames=c0520;
OS   Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=199310;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CFT073 / ATCC 700928 / UPEC;
RX   PubMed=12471157; DOI=10.1073/pnas.252529799;
RA   Welch R.A., Burland V., Plunkett G. III, Redford P., Roesch P., Rasko D.,
RA   Buckles E.L., Liou S.-R., Boutin A., Hackett J., Stroud D., Mayhew G.F.,
RA   Rose D.J., Zhou S., Schwartz D.C., Perna N.T., Mobley H.L.T.,
RA   Donnenberg M.S., Blattner F.R.;
RT   "Extensive mosaic structure revealed by the complete genome sequence of
RT   uropathogenic Escherichia coli.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:17020-17024(2002).
CC   -!- SIMILARITY: Belongs to the HNH nuclease family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAN78998.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; AE014075; AAN78998.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_000974813.1; NC_004431.1.
DR   AlphaFoldDB; P0AAQ3; -.
DR   STRING; 199310.c0520; -.
DR   EnsemblBacteria; AAN78998; AAN78998; c0520.
DR   GeneID; 66671291; -.
DR   KEGG; ecc:c0520; -.
DR   eggNOG; COG1403; Bacteria.
DR   HOGENOM; CLU_136125_1_0_6; -.
DR   OMA; CHDNEHQ; -.
DR   Proteomes; UP000001410; Chromosome.
DR   GO; GO:0004519; F:endonuclease activity; IEA:InterPro.
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   Hydrolase; Nuclease.
FT   CHAIN           1..115
FT                   /note="Putative HNH nuclease YajD"
FT                   /id="PRO_0000168608"
FT   DOMAIN          27..75
FT                   /note="HNH"
SQ   SEQUENCE   115 AA;  13364 MW;  04D99E2E3FBAA0C7 CRC64;
     MAIIPKNYAR LESGYREKAL KIYPWVCGRC SREFVYSNLR ELTVHHIDHD HTNNPEDGSN
     WELLCLYCHD HEHSKYTEAD QYGTTVIAGE DAQKDVGEAK YNPFADLKAM MNKKK