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GUAC_SALTI
ID   GUAC_SALTI              Reviewed;         347 AA.
AC   Q8Z9F9;
DT   08-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 127.
DE   RecName: Full=GMP reductase {ECO:0000255|HAMAP-Rule:MF_00596};
DE            EC=1.7.1.7 {ECO:0000255|HAMAP-Rule:MF_00596};
DE   AltName: Full=Guanosine 5'-monophosphate oxidoreductase {ECO:0000255|HAMAP-Rule:MF_00596};
DE            Short=Guanosine monophosphate reductase {ECO:0000255|HAMAP-Rule:MF_00596};
GN   Name=guaC {ECO:0000255|HAMAP-Rule:MF_00596};
GN   OrderedLocusNames=STY0163, t0147;
OS   Salmonella typhi.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=90370;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CT18;
RX   PubMed=11677608; DOI=10.1038/35101607;
RA   Parkhill J., Dougan G., James K.D., Thomson N.R., Pickard D., Wain J.,
RA   Churcher C.M., Mungall K.L., Bentley S.D., Holden M.T.G., Sebaihia M.,
RA   Baker S., Basham D., Brooks K., Chillingworth T., Connerton P., Cronin A.,
RA   Davis P., Davies R.M., Dowd L., White N., Farrar J., Feltwell T.,
RA   Hamlin N., Haque A., Hien T.T., Holroyd S., Jagels K., Krogh A.,
RA   Larsen T.S., Leather S., Moule S., O'Gaora P., Parry C., Quail M.A.,
RA   Rutherford K.M., Simmonds M., Skelton J., Stevens K., Whitehead S.,
RA   Barrell B.G.;
RT   "Complete genome sequence of a multiple drug resistant Salmonella enterica
RT   serovar Typhi CT18.";
RL   Nature 413:848-852(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700931 / Ty2;
RX   PubMed=12644504; DOI=10.1128/jb.185.7.2330-2337.2003;
RA   Deng W., Liou S.-R., Plunkett G. III, Mayhew G.F., Rose D.J., Burland V.,
RA   Kodoyianni V., Schwartz D.C., Blattner F.R.;
RT   "Comparative genomics of Salmonella enterica serovar Typhi strains Ty2 and
RT   CT18.";
RL   J. Bacteriol. 185:2330-2337(2003).
CC   -!- FUNCTION: Catalyzes the irreversible NADPH-dependent deamination of GMP
CC       to IMP. It functions in the conversion of nucleobase, nucleoside and
CC       nucleotide derivatives of G to A nucleotides, and in maintaining the
CC       intracellular balance of A and G nucleotides. {ECO:0000255|HAMAP-
CC       Rule:MF_00596}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=IMP + NADP(+) + NH4(+) = GMP + 2 H(+) + NADPH;
CC         Xref=Rhea:RHEA:17185, ChEBI:CHEBI:15378, ChEBI:CHEBI:28938,
CC         ChEBI:CHEBI:57783, ChEBI:CHEBI:58053, ChEBI:CHEBI:58115,
CC         ChEBI:CHEBI:58349; EC=1.7.1.7; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00596};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00596}.
CC   -!- SIMILARITY: Belongs to the IMPDH/GMPR family. GuaC type 1 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00596}.
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DR   EMBL; AL513382; CAD01300.1; -; Genomic_DNA.
DR   EMBL; AE014613; AAO67879.1; -; Genomic_DNA.
DR   RefSeq; NP_454755.1; NC_003198.1.
DR   RefSeq; WP_001217357.1; NZ_WSUR01000009.1.
DR   AlphaFoldDB; Q8Z9F9; -.
DR   SMR; Q8Z9F9; -.
DR   STRING; 220341.16501428; -.
DR   EnsemblBacteria; AAO67879; AAO67879; t0147.
DR   KEGG; stt:t0147; -.
DR   KEGG; sty:STY0163; -.
DR   PATRIC; fig|220341.7.peg.164; -.
DR   eggNOG; COG0516; Bacteria.
DR   HOGENOM; CLU_022552_5_3_6; -.
DR   OMA; AYKEYFG; -.
DR   Proteomes; UP000000541; Chromosome.
DR   Proteomes; UP000002670; Chromosome.
DR   GO; GO:1902560; C:GMP reductase complex; IEA:InterPro.
DR   GO; GO:0003920; F:GMP reductase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0006163; P:purine nucleotide metabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd00381; IMPDH; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_00596; GMP_reduct_type1; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR005993; GMPR.
DR   InterPro; IPR015875; IMP_DH/GMP_Rdtase_CS.
DR   InterPro; IPR001093; IMP_DH_GMPRt.
DR   Pfam; PF00478; IMPDH; 1.
DR   PIRSF; PIRSF000235; GMP_reductase; 1.
DR   TIGRFAMs; TIGR01305; GMP_reduct_1; 1.
DR   PROSITE; PS00487; IMP_DH_GMP_RED; 1.
PE   3: Inferred from homology;
KW   Metal-binding; NADP; Oxidoreductase; Potassium.
FT   CHAIN           1..347
FT                   /note="GMP reductase"
FT                   /id="PRO_0000093738"
FT   ACT_SITE        186
FT                   /note="Thioimidate intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00596"
FT   BINDING         108..131
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00596"
FT   BINDING         181
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00596"
FT   BINDING         183
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00596"
FT   BINDING         216..239
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00596"
SQ   SEQUENCE   347 AA;  37110 MW;  7288B6335DB8098B CRC64;
     MRIEEDLKLG FKDVLIRPKR STLKSRSDVE LERQFTFKHS GQTWSGVPII AANMDTVGTF
     EMAQALAGFD ILTAVHKHYS VEEWAAFINT ASADVLKHVM VSTGTSDADF EKTVQILALN
     PALNFVCIDV ANGYSEHFVQ FVAKAREAWP SKTICAGNVV TGEMCEELIL SGADIVKVGI
     GPGSVCTTRV KTGVGYPQLS AVIECADAAH GLGGMIVSDG GCTMPGDVAK AFGGGADFVM
     LGGMLAGHEE SGGSVVEENG EKFMLFYGMS SESAMNRHVG GVAKYRAAEG KTVKLPLRGP
     VGNTARDILG GLRSACTYVG ASRLKELTKR TTFIRVQEQE NRIFNSL
 
 
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