ID   IDH_STAAS               Reviewed;         422 AA.
AC   Q6G8N2;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 95.
DE   RecName: Full=Isocitrate dehydrogenase [NADP];
DE            Short=IDH;
DE            EC=1.1.1.42;
DE   AltName: Full=IDP;
DE   AltName: Full=NADP(+)-specific ICDH;
DE   AltName: Full=Oxalosuccinate decarboxylase;
GN   Name=icd; Synonyms=citC; OrderedLocusNames=SAS1622;
OS   Staphylococcus aureus (strain MSSA476).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=282459;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MSSA476;
RX   PubMed=15213324; DOI=10.1073/pnas.0402521101;
RA   Holden M.T.G., Feil E.J., Lindsay J.A., Peacock S.J., Day N.P.J.,
RA   Enright M.C., Foster T.J., Moore C.E., Hurst L., Atkin R., Barron A.,
RA   Bason N., Bentley S.D., Chillingworth C., Chillingworth T., Churcher C.,
RA   Clark L., Corton C., Cronin A., Doggett J., Dowd L., Feltwell T., Hance Z.,
RA   Harris B., Hauser H., Holroyd S., Jagels K., James K.D., Lennard N.,
RA   Line A., Mayes R., Moule S., Mungall K., Ormond D., Quail M.A.,
RA   Rabbinowitsch E., Rutherford K.M., Sanders M., Sharp S., Simmonds M.,
RA   Stevens K., Whitehead S., Barrell B.G., Spratt B.G., Parkhill J.;
RT   "Complete genomes of two clinical Staphylococcus aureus strains: evidence
RT   for the rapid evolution of virulence and drug resistance.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:9786-9791(2004).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-threo-isocitrate + NADP(+) = 2-oxoglutarate + CO2 + NADPH;
CC         Xref=Rhea:RHEA:19629, ChEBI:CHEBI:15562, ChEBI:CHEBI:16526,
CC         ChEBI:CHEBI:16810, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349; EC=1.1.1.42;
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035; Evidence={ECO:0000250};
CC       Note=Binds 1 Mg(2+) or Mn(2+) ion per subunit. {ECO:0000250};
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the isocitrate and isopropylmalate
CC       dehydrogenases family. {ECO:0000305}.
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DR   EMBL; BX571857; CAG43424.1; -; Genomic_DNA.
DR   RefSeq; WP_000123164.1; NC_002953.3.
DR   AlphaFoldDB; Q6G8N2; -.
DR   SMR; Q6G8N2; -.
DR   KEGG; sas:SAS1622; -.
DR   HOGENOM; CLU_031953_7_1_9; -.
DR   OMA; CVRPCRY; -.
DR   GO; GO:0004450; F:isocitrate dehydrogenase (NADP+) activity; IEA:UniProtKB-EC.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:InterPro.
DR   GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR   GO; GO:0006097; P:glyoxylate cycle; IEA:UniProtKB-KW.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-KW.
DR   InterPro; IPR019818; IsoCit/isopropylmalate_DH_CS.
DR   InterPro; IPR004439; Isocitrate_DH_NADP_dimer_prok.
DR   InterPro; IPR024084; IsoPropMal-DH-like_dom.
DR   PANTHER; PTHR43504; PTHR43504; 1.
DR   Pfam; PF00180; Iso_dh; 1.
DR   SMART; SM01329; Iso_dh; 1.
DR   TIGRFAMs; TIGR00183; prok_nadp_idh; 1.
DR   PROSITE; PS00470; IDH_IMDH; 1.
PE   3: Inferred from homology;
KW   Glyoxylate bypass; Magnesium; Manganese; Metal-binding; NADP;
KW   Oxidoreductase; Tricarboxylic acid cycle.
FT   CHAIN           1..422
FT                   /note="Isocitrate dehydrogenase [NADP]"
FT                   /id="PRO_0000083563"
FT   BINDING         94
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000250"
FT   BINDING         103
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         105
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         109
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         119
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         143
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         310
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000250"
FT   BINDING         344..350
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000250"
FT   BINDING         357
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000250"
FT   BINDING         396
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000250"
FT   BINDING         400
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000250"
FT   SITE            150
FT                   /note="Critical for catalysis"
FT                   /evidence="ECO:0000250"
FT   SITE            220
FT                   /note="Critical for catalysis"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   422 AA;  46437 MW;  11AE808D40093BC7 CRC64;
     MTAEKITQGT EGLNVPNEPI IPFIIGDGIG PDIWKAASRV IDAAVEKAYN GEKRIEWKEV
     LAGQKAFDTT GEWLPQETLD TIKEYLIAVK GPLTTPIGGG IRSLNVALRQ ELDLFTCLRP
     VRWFKGVPSP VKRPQDVDMV IFRENTEDIY AGIEFKEGTT EVKKVIDFLQ NEMGATNIRF
     PETSGIGIKP VSKEGTERLV RAAIQYAIDN NRKSVTLVHK GNIMKFTEGS FKQWGYDLAL
     SEFGDQVFTW QQYDEIVEKE GRDAANAAQE KAEKEGKIII KDSIADIFLQ QILTRPAEHD
     VVATMNLNGD YISDALAAQV GGIGIAPGAN INYETGHAIF EATHGTAPKY AGLNKVNPSS
     VILSSVLMLE HLGWQEAADK ITDSIEDTIA SKVVTYDFAR LMDGAEEVST SAFADELIKN
     LK