ID   NUCS_METJA              Reviewed;         263 AA.
AC   Q57678;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 99.
DE   RecName: Full=Endonuclease NucS {ECO:0000255|HAMAP-Rule:MF_00722};
DE            EC=3.1.-.- {ECO:0000255|HAMAP-Rule:MF_00722};
GN   Name=nucS {ECO:0000255|HAMAP-Rule:MF_00722}; OrderedLocusNames=MJ0225;
OS   Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM
OS   10045 / NBRC 100440) (Methanococcus jannaschii).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanocaldococcaceae; Methanocaldococcus.
OX   NCBI_TaxID=243232;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX   PubMed=8688087; DOI=10.1126/science.273.5278.1058;
RA   Bult C.J., White O., Olsen G.J., Zhou L., Fleischmann R.D., Sutton G.G.,
RA   Blake J.A., FitzGerald L.M., Clayton R.A., Gocayne J.D., Kerlavage A.R.,
RA   Dougherty B.A., Tomb J.-F., Adams M.D., Reich C.I., Overbeek R.,
RA   Kirkness E.F., Weinstock K.G., Merrick J.M., Glodek A., Scott J.L.,
RA   Geoghagen N.S.M., Weidman J.F., Fuhrmann J.L., Nguyen D., Utterback T.R.,
RA   Kelley J.M., Peterson J.D., Sadow P.W., Hanna M.C., Cotton M.D.,
RA   Roberts K.M., Hurst M.A., Kaine B.P., Borodovsky M., Klenk H.-P.,
RA   Fraser C.M., Smith H.O., Woese C.R., Venter J.C.;
RT   "Complete genome sequence of the methanogenic archaeon, Methanococcus
RT   jannaschii.";
RL   Science 273:1058-1073(1996).
CC   -!- FUNCTION: Cleaves both 3' and 5' ssDNA extremities of branched DNA
CC       structures. {ECO:0000255|HAMAP-Rule:MF_00722}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00722}.
CC   -!- SIMILARITY: Belongs to the NucS endonuclease family.
CC       {ECO:0000255|HAMAP-Rule:MF_00722}.
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DR   EMBL; L77117; AAB98210.1; -; Genomic_DNA.
DR   PIR; B64328; B64328.
DR   AlphaFoldDB; Q57678; -.
DR   SMR; Q57678; -.
DR   STRING; 243232.MJ_0225; -.
DR   EnsemblBacteria; AAB98210; AAB98210; MJ_0225.
DR   KEGG; mja:MJ_0225; -.
DR   eggNOG; arCOG01304; Archaea.
DR   HOGENOM; CLU_069350_1_0_2; -.
DR   InParanoid; Q57678; -.
DR   OMA; VHTDEGQ; -.
DR   PhylomeDB; Q57678; -.
DR   Proteomes; UP000000805; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0000014; F:single-stranded DNA endodeoxyribonuclease activity; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.1350.10; -; 1.
DR   HAMAP; MF_00722; NucS; 1.
DR   InterPro; IPR002793; Endonuclease_NucS.
DR   InterPro; IPR011856; tRNA_endonuc-like_dom_sf.
DR   PANTHER; PTHR38814; PTHR38814; 1.
DR   Pfam; PF01939; NucS; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; DNA-binding; Endonuclease; Hydrolase; Nuclease;
KW   Reference proteome.
FT   CHAIN           1..263
FT                   /note="Endonuclease NucS"
FT                   /id="PRO_0000155691"
SQ   SEQUENCE   263 AA;  30984 MW;  35F9F59D4C2D7A6E CRC64;
     MMRLEKVFYL TNPTTKDLEN FIDMYVFKYI LILLARCKVF YEGRAKSQLE EGDRVIIIKP
     DGAFLIHKDK KREPVNWQPS GSSIIWEVED NFFILKSIRR KPKEELKVVI SEVYHACAFN
     CEDYEEINLR GSESEMAEMI FRNPDLIEEG FKPISREYQI PTGIVDILGK DKENKWVILE
     LKRRRADLQA VSQLKRYVEY FKNKYGEDKV RGILVSPSLT TGAEKLLKEE NLEFKRLNPP
     KGSKRDLKHN IKTKKTTVLD EWL