ID   CYNS_THIDA              Reviewed;         147 AA.
AC   Q3SHJ2;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2005, sequence version 1.
DT   25-MAY-2022, entry version 95.
DE   RecName: Full=Cyanate hydratase {ECO:0000255|HAMAP-Rule:MF_00535};
DE            Short=Cyanase {ECO:0000255|HAMAP-Rule:MF_00535};
DE            EC=4.2.1.104 {ECO:0000255|HAMAP-Rule:MF_00535};
DE   AltName: Full=Cyanate hydrolase {ECO:0000255|HAMAP-Rule:MF_00535};
DE   AltName: Full=Cyanate lyase {ECO:0000255|HAMAP-Rule:MF_00535};
GN   Name=cynS {ECO:0000255|HAMAP-Rule:MF_00535}; OrderedLocusNames=Tbd_1941;
OS   Thiobacillus denitrificans (strain ATCC 25259).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC   Thiobacillaceae; Thiobacillus.
OX   NCBI_TaxID=292415;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 25259;
RX   PubMed=16452431; DOI=10.1128/jb.188.4.1473-1488.2006;
RA   Beller H.R., Chain P.S., Letain T.E., Chakicherla A., Larimer F.W.,
RA   Richardson P.M., Coleman M.A., Wood A.P., Kelly D.P.;
RT   "The genome sequence of the obligately chemolithoautotrophic, facultatively
RT   anaerobic bacterium Thiobacillus denitrificans.";
RL   J. Bacteriol. 188:1473-1488(2006).
CC   -!- FUNCTION: Catalyzes the reaction of cyanate with bicarbonate to produce
CC       ammonia and carbon dioxide. {ECO:0000255|HAMAP-Rule:MF_00535}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=cyanate + 3 H(+) + hydrogencarbonate = 2 CO2 + NH4(+);
CC         Xref=Rhea:RHEA:11120, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC         ChEBI:CHEBI:17544, ChEBI:CHEBI:28938, ChEBI:CHEBI:29195;
CC         EC=4.2.1.104; Evidence={ECO:0000255|HAMAP-Rule:MF_00535};
CC   -!- SIMILARITY: Belongs to the cyanase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00535}.
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DR   EMBL; CP000116; AAZ97894.1; -; Genomic_DNA.
DR   RefSeq; WP_011312453.1; NC_007404.1.
DR   AlphaFoldDB; Q3SHJ2; -.
DR   SMR; Q3SHJ2; -.
DR   STRING; 292415.Tbd_1941; -.
DR   EnsemblBacteria; AAZ97894; AAZ97894; Tbd_1941.
DR   KEGG; tbd:Tbd_1941; -.
DR   eggNOG; COG1513; Bacteria.
DR   HOGENOM; CLU_103452_1_1_4; -.
DR   OMA; FLPYKAW; -.
DR   OrthoDB; 1506439at2; -.
DR   Proteomes; UP000008291; Chromosome.
DR   GO; GO:0008824; F:cyanate hydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR   GO; GO:0009439; P:cyanate metabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd00559; Cyanase_C; 1.
DR   Gene3D; 1.10.260.40; -; 1.
DR   Gene3D; 3.30.1160.10; -; 1.
DR   HAMAP; MF_00535; Cyanate_hydrat; 1.
DR   InterPro; IPR008076; Cyanase.
DR   InterPro; IPR003712; Cyanate_lyase_C.
DR   InterPro; IPR036581; Cyanate_lyase_C_sf.
DR   InterPro; IPR010982; Lambda_DNA-bd_dom_sf.
DR   PANTHER; PTHR34186; PTHR34186; 1.
DR   Pfam; PF02560; Cyanate_lyase; 1.
DR   PIRSF; PIRSF001263; Cyanate_hydratas; 1.
DR   PRINTS; PR01693; CYANASE.
DR   SMART; SM01116; Cyanate_lyase; 1.
DR   SUPFAM; SSF47413; SSF47413; 1.
DR   SUPFAM; SSF55234; SSF55234; 1.
DR   TIGRFAMs; TIGR00673; cynS; 1.
PE   3: Inferred from homology;
KW   Lyase; Reference proteome.
FT   CHAIN           1..147
FT                   /note="Cyanate hydratase"
FT                   /id="PRO_1000072539"
FT   ACT_SITE        88
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00535"
FT   ACT_SITE        91
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00535"
FT   ACT_SITE        114
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00535"
SQ   SEQUENCE   147 AA;  16305 MW;  2403450C75FE1664 CRC64;
     MTRDQVTQLV LDSKRRKQLK WAQLAEATGQ SKEWTAAALL GQMTLSAAQA GAVGRLLDLP
     ADAVDGLQVV PYKGSLPTAV PTDPLIYRFY ELINVYGTSI KELIHEEFGD GIMSAIDFSM
     DISREADPKG DRVRIVLNGK FLPYRMY