ID   NUCS_METTH              Reviewed;         253 AA.
AC   O27844;
DT   31-OCT-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   25-MAY-2022, entry version 105.
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=MTH_1816;
OS   Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM
OS   10044 / NBRC 100330 / Delta H) (Methanobacterium thermoautotrophicum).
OC   Archaea; Euryarchaeota; Methanomada group; Methanobacteria;
OC   Methanobacteriales; Methanobacteriaceae; Methanothermobacter.
OX   NCBI_TaxID=187420;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H;
RX   PubMed=9371463; DOI=10.1128/jb.179.22.7135-7155.1997;
RA   Smith D.R., Doucette-Stamm L.A., Deloughery C., Lee H.-M., Dubois J.,
RA   Aldredge T., Bashirzadeh R., Blakely D., Cook R., Gilbert K., Harrison D.,
RA   Hoang L., Keagle P., Lumm W., Pothier B., Qiu D., Spadafora R., Vicare R.,
RA   Wang Y., Wierzbowski J., Gibson R., Jiwani N., Caruso A., Bush D.,
RA   Safer H., Patwell D., Prabhakar S., McDougall S., Shimer G., Goyal A.,
RA   Pietrovski S., Church G.M., Daniels C.J., Mao J.-I., Rice P., Noelling J.,
RA   Reeve J.N.;
RT   "Complete genome sequence of Methanobacterium thermoautotrophicum deltaH:
RT   functional analysis and comparative genomics.";
RL   J. Bacteriol. 179:7135-7155(1997).
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; AE000666; AAB86282.1; -; Genomic_DNA.
DR   PIR; G69109; G69109.
DR   AlphaFoldDB; O27844; -.
DR   SMR; O27844; -.
DR   STRING; 187420.MTH_1816; -.
DR   EnsemblBacteria; AAB86282; AAB86282; MTH_1816.
DR   KEGG; mth:MTH_1816; -.
DR   PATRIC; fig|187420.15.peg.1770; -.
DR   HOGENOM; CLU_069350_1_0_2; -.
DR   OMA; RCSVDYA; -.
DR   Proteomes; UP000005223; 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..253
FT                   /note="Endonuclease NucS"
FT                   /id="PRO_0000155693"
SQ   SEQUENCE   253 AA;  28975 MW;  83BA42407CCF0660 CRC64;
     MNCMKCKVSE NPSIKEAYRL IEDGIRKRAL VVILACCSAS YEGRARSRLD AGERLIVIKP
     DGTFMVHQDR KVDPVNWQPP KSRSRAYIKR GSLYLESIRR DPEERLEVEI HEAHLVSYYL
     ARDVHDLMVA GHENDMGDMI IMHPHLIEKG FRPVAREYAV TSGFIDILGK DENGSLMIIE
     LKSRKAGVSA VKQLKRYVDE FREDRVGVRG VLVAPSITHD AMEMLEEEGL EFREIEPPRE
     LRSNRGVTLD NFL