ID C6E486_GEOSM Unreviewed; 743 AA.
AC C6E486;
DT 01-SEP-2009, integrated into UniProtKB/TrEMBL.
DT 01-SEP-2009, sequence version 1.
DT 27-MAR-2024, entry version 79.
DE RecName: Full=Isocitrate dehydrogenase [NADP] {ECO:0000256|PIRNR:PIRNR009407};
DE EC=1.1.1.42 {ECO:0000256|PIRNR:PIRNR009407};
DE AltName: Full=Oxalosuccinate decarboxylase {ECO:0000256|PIRNR:PIRNR009407};
GN OrderedLocusNames=GM21_1324 {ECO:0000313|EMBL:ACT17384.1};
OS Geobacter sp. (strain M21).
OC Bacteria; Thermodesulfobacteriota; Desulfuromonadia; Geobacterales;
OC Geobacteraceae; Geobacter.
OX NCBI_TaxID=443144 {ECO:0000313|EMBL:ACT17384.1};
RN [1] {ECO:0000313|EMBL:ACT17384.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=M21 {ECO:0000313|EMBL:ACT17384.1};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Saunders E., Brettin T., Detter J.C.,
RA Han C., Larimer F., Land M., Hauser L., Kyrpides N., Ovchinnikova G.,
RA Lovley D.;
RT "Complete sequence of Geobacter sp. M21.";
RL Submitted (JUL-2009) to the EMBL/GenBank/DDBJ databases.
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 Evidence={ECO:0000256|PIRNR:PIRNR009407};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR009407-3};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PIRSR:PIRSR009407-3};
CC Note=Binds 1 Mg(2+) or Mn(2+) ion per subunit.
CC {ECO:0000256|PIRSR:PIRSR009407-3};
CC -!- SIMILARITY: Belongs to the monomeric-type IDH family.
CC {ECO:0000256|PIRNR:PIRNR009407}.
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DR EMBL; CP001661; ACT17384.1; -; Genomic_DNA.
DR AlphaFoldDB; C6E486; -.
DR STRING; 443144.GM21_1324; -.
DR KEGG; gem:GM21_1324; -.
DR eggNOG; COG2838; Bacteria.
DR HOGENOM; CLU_025308_1_0_7; -.
DR OrthoDB; 9807643at2; -.
DR GO; GO:0004450; F:isocitrate dehydrogenase (NADP+) activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006097; P:glyoxylate cycle; IEA:UniProtKB-KW.
DR GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-KW.
DR Gene3D; 3.40.718.10; Isopropylmalate Dehydrogenase; 1.
DR InterPro; IPR004436; Isocitrate_DH_NADP_mono.
DR NCBIfam; TIGR00178; monomer_idh; 1.
DR PANTHER; PTHR36999; ISOCITRATE DEHYDROGENASE [NADP]; 1.
DR PANTHER; PTHR36999:SF1; ISOCITRATE DEHYDROGENASE [NADP]; 1.
DR Pfam; PF03971; IDH; 1.
DR PIRSF; PIRSF009407; IDH_monmr; 1.
DR SUPFAM; SSF53659; Isocitrate/Isopropylmalate dehydrogenase-like; 1.
PE 3: Inferred from homology;
KW Glyoxylate bypass {ECO:0000256|PIRNR:PIRNR009407};
KW Magnesium {ECO:0000256|PIRSR:PIRSR009407-3};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR009407-3};
KW NADP {ECO:0000256|PIRNR:PIRNR009407, ECO:0000256|PIRSR:PIRSR009407-4};
KW Oxidoreductase {ECO:0000256|PIRNR:PIRNR009407,
KW ECO:0000313|EMBL:ACT17384.1};
KW Tricarboxylic acid cycle {ECO:0000256|PIRNR:PIRNR009407}.
FT BINDING 84..89
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 134..141
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 137
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 147
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 352
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 549
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 550
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 554
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 586..587
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 591
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 602..604
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 651
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT SITE 257
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-1"
FT SITE 422
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-1"
SQ SEQUENCE 743 AA; 81463 MW; C47BCA6D7C7492F3 CRC64;
MTTEKAKIVW TKIDEAPALA TYSLLPIVNA FTKAAGVVVE TRDISLAGRI LANFPDYLTE
SQKIPDELAY LGDLTQKPEA NIIKLPNVSA SIPQLKAAIA ELQSQGYKLP EYPEEPKTDE
EKALNARYAK VLGSAVNPVL REGNSDRRVA KAVKEYAKKH PHKMGAWSSD SKSHVSNMSA
GDFYHSEKSV TLKDATTARI EFVDNFGNVT VMKDKLPLQA GEVLDGSFMN VRALRKFIQE
QIDDAKAKGV LFSVHLKATM MKISDPVIFG HFVSVFFKDV FEKHAATFKE IGVNADLGLG
DLYKKLEKVP AGKKAEIEAD IQATYAKQPP LAMVDSDKGI TNLHASNDII IDASMPVVVR
DSGKMWGPDG KLADTKCVIP DTCYSEWYQE CIDFCKKNGQ FDPTTMGATS NVGLMAQKAE
EYGSHDKTFK APLNGTMRVV DAAGEVLIQH QVEEGDIWRG CQAKDLPIRD WVKLAVNRAR
ATGAPAVFWL DKNRAHDAQM ILKVNTYLKD HDTKGLELHI MSPVEAMKFT LPRAKAGLDT
ITVTGNALRD YLTDLFPILE LGTSAKMLSI VPLLAGGGLF ETGAGGSAPK HVQQFQQEGY
LRWDSLGEFL ALAVSLEHLA ATFKNEKAAL LAETLDTANT KFLDQNKNPA RKVGQIDNRG
SHFYLAMYWA EALAAQTKDA ELATRFAKVA KELQDNEEKI NAELIGAQGK PVDMGGYYHP
NDAKTEAAMR PSATLNAIVN SIV
//
