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NUDC_SALTY
ID   NUDC_SALTY              Reviewed;         257 AA.
AC   Q9L9I5;
DT   11-JAN-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 115.
DE   RecName: Full=NAD-capped RNA hydrolase NudC {ECO:0000255|HAMAP-Rule:MF_00297};
DE            Short=DeNADding enzyme NudC {ECO:0000255|HAMAP-Rule:MF_00297};
DE            EC=3.6.1.- {ECO:0000255|HAMAP-Rule:MF_00297};
DE   AltName: Full=NADH pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_00297};
DE            EC=3.6.1.22 {ECO:0000255|HAMAP-Rule:MF_00297};
GN   Name=nudC {ECO:0000255|HAMAP-Rule:MF_00297}; OrderedLocusNames=STM4166;
GN   ORFNames=STMF1.20;
OS   Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=99287;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LT2 / SGSC1412 / ATCC 700720;
RX   PubMed=11677609; DOI=10.1038/35101614;
RA   McClelland M., Sanderson K.E., Spieth J., Clifton S.W., Latreille P.,
RA   Courtney L., Porwollik S., Ali J., Dante M., Du F., Hou S., Layman D.,
RA   Leonard S., Nguyen C., Scott K., Holmes A., Grewal N., Mulvaney E.,
RA   Ryan E., Sun H., Florea L., Miller W., Stoneking T., Nhan M., Waterston R.,
RA   Wilson R.K.;
RT   "Complete genome sequence of Salmonella enterica serovar Typhimurium LT2.";
RL   Nature 413:852-856(2001).
CC   -!- FUNCTION: mRNA decapping enzyme that specifically removes the
CC       nicotinamide adenine dinucleotide (NAD) cap from a subset of mRNAs by
CC       hydrolyzing the diphosphate linkage to produce nicotinamide
CC       mononucleotide (NMN) and 5' monophosphate mRNA. The NAD-cap is present
CC       at the 5'-end of some mRNAs and stabilizes RNA against 5'-processing.
CC       Has preference for mRNAs with a 5'-end purine. Catalyzes the hydrolysis
CC       of a broad range of dinucleotide pyrophosphates. {ECO:0000255|HAMAP-
CC       Rule:MF_00297}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a 5'-end NAD(+)-phospho-ribonucleoside in mRNA + H2O = a 5'-
CC         end phospho-adenosine-phospho-ribonucleoside in mRNA + beta-
CC         nicotinamide D-ribonucleotide + 2 H(+); Xref=Rhea:RHEA:60876,
CC         Rhea:RHEA-COMP:15698, Rhea:RHEA-COMP:15719, ChEBI:CHEBI:14649,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:144029,
CC         ChEBI:CHEBI:144051; Evidence={ECO:0000255|HAMAP-Rule:MF_00297};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:60877;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00297};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + NAD(+) = AMP + beta-nicotinamide D-ribonucleotide + 2
CC         H(+); Xref=Rhea:RHEA:11800, ChEBI:CHEBI:14649, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57540, ChEBI:CHEBI:456215;
CC         EC=3.6.1.22; Evidence={ECO:0000255|HAMAP-Rule:MF_00297};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + NADH = AMP + 2 H(+) + reduced beta-nicotinamide D-
CC         ribonucleotide; Xref=Rhea:RHEA:48868, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57945, ChEBI:CHEBI:90832,
CC         ChEBI:CHEBI:456215; EC=3.6.1.22; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00297};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00297};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00297};
CC       Note=Divalent metal cations. Mg(2+) or Mn(2+). {ECO:0000255|HAMAP-
CC       Rule:MF_00297};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00297};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00297};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00297}.
CC   -!- SIMILARITY: Belongs to the Nudix hydrolase family. NudC subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00297, ECO:0000305}.
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DR   EMBL; AF170176; AAF33500.1; -; Genomic_DNA.
DR   EMBL; AE006468; AAL22994.1; -; Genomic_DNA.
DR   RefSeq; NP_463035.1; NC_003197.2.
DR   RefSeq; WP_000373966.1; NC_003197.2.
DR   AlphaFoldDB; Q9L9I5; -.
DR   SMR; Q9L9I5; -.
DR   STRING; 99287.STM4166; -.
DR   PaxDb; Q9L9I5; -.
DR   EnsemblBacteria; AAL22994; AAL22994; STM4166.
DR   GeneID; 1255692; -.
DR   KEGG; stm:STM4166; -.
DR   PATRIC; fig|99287.12.peg.4380; -.
DR   HOGENOM; CLU_037162_0_1_6; -.
DR   OMA; TWAREHR; -.
DR   PhylomeDB; Q9L9I5; -.
DR   BioCyc; SENT99287:STM4166-MON; -.
DR   Proteomes; UP000001014; Chromosome.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000210; F:NAD+ diphosphatase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0035529; F:NADH pyrophosphatase activity; IBA:GO_Central.
DR   GO; GO:0110153; F:RNA NAD-cap (NMN-forming) hydrolase activity; IEA:RHEA.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0019677; P:NAD catabolic process; IBA:GO_Central.
DR   GO; GO:0006734; P:NADH metabolic process; IBA:GO_Central.
DR   GO; GO:0006742; P:NADP catabolic process; IBA:GO_Central.
DR   HAMAP; MF_00297; Nudix_NudC; 1.
DR   InterPro; IPR015797; NUDIX_hydrolase-like_dom_sf.
DR   InterPro; IPR020084; NUDIX_hydrolase_CS.
DR   InterPro; IPR000086; NUDIX_hydrolase_dom.
DR   InterPro; IPR022925; RNA_Hydrolase_NudC.
DR   InterPro; IPR015376; Znr_NADH_PPase.
DR   Pfam; PF00293; NUDIX; 1.
DR   Pfam; PF09297; zf-NADH-PPase; 1.
DR   SUPFAM; SSF55811; SSF55811; 2.
DR   PROSITE; PS51462; NUDIX; 1.
DR   PROSITE; PS00893; NUDIX_BOX; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Magnesium; Manganese; Metal-binding; NAD; Reference proteome;
KW   Zinc.
FT   CHAIN           1..257
FT                   /note="NAD-capped RNA hydrolase NudC"
FT                   /id="PRO_0000056976"
FT   DOMAIN          125..248
FT                   /note="Nudix hydrolase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   MOTIF           159..180
FT                   /note="Nudix box"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         69
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         98
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         101
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         111
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         116
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         119
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         124
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         158
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         174
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         174
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         178
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         178
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         192..199
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         219
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         219
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
FT   BINDING         241
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00297"
SQ   SEQUENCE   257 AA;  29621 MW;  B90820E3BD438CBE CRC64;
     MDRIIEKLES GWWIVSHEQK LWLPYGELPH GLAANFDLVG QRALRIGEWQ GEPVWLVLQH
     RRHDMGSVRQ VIDQEAGLFQ LAGRGVQLAE FYRSHKFCGY CGHPMHPSKT EWAMLCSHCR
     ERYYPQIAPC IIVAIRREDS ILLAQHVRHR NGVHTVLAGF VEVGETLEQA VAREVMEESG
     IKVKNLRYVT SQPWPFPQSL MTAFMAEYDS GEIVIDPKEL LEANWYRYDD LPLLPPPGTV
     ARRLIEDTVA MCRAEYD
 
 
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