ID A4J9K1_DESRM Unreviewed; 402 AA.
AC A4J9K1;
DT 01-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 01-MAY-2007, sequence version 1.
DT 27-MAR-2024, entry version 98.
DE RecName: Full=Isocitrate dehydrogenase [NADP] {ECO:0000256|PIRNR:PIRNR000108};
DE EC=1.1.1.42 {ECO:0000256|PIRNR:PIRNR000108};
GN OrderedLocusNames=Dred_3254 {ECO:0000313|EMBL:ABO51754.1};
OS Desulforamulus reducens (strain ATCC BAA-1160 / DSM 100696 / MI-1)
OS (Desulfotomaculum reducens).
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Peptococcaceae;
OC Desulforamulus.
OX NCBI_TaxID=349161 {ECO:0000313|EMBL:ABO51754.1, ECO:0000313|Proteomes:UP000001556};
RN [1] {ECO:0000313|EMBL:ABO51754.1, ECO:0000313|Proteomes:UP000001556}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MI-1 {ECO:0000313|EMBL:ABO51754.1,
RC ECO:0000313|Proteomes:UP000001556};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Sims D., Brettin T., Bruce D., Han C., Tapia R., Schmutz J., Larimer F.,
RA Land M., Hauser L., Kyrpides N., Kim E., Tebo B.M., Richardson P.;
RT "Complete sequence of Desulfotomaculum reducens MI-1.";
RL Submitted (MAR-2007) 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:PIRNR000108};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRNR:PIRNR000108,
CC ECO:0000256|PIRSR:PIRSR000108-3};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PIRNR:PIRNR000108,
CC ECO:0000256|PIRSR:PIRSR000108-3};
CC Note=Binds 1 Mg(2+) or Mn(2+) ion per subunit.
CC {ECO:0000256|PIRNR:PIRNR000108, ECO:0000256|PIRSR:PIRSR000108-3};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|ARBA:ARBA00001936};
CC -!- SIMILARITY: Belongs to the isocitrate and isopropylmalate
CC dehydrogenases family. {ECO:0000256|ARBA:ARBA00007769,
CC ECO:0000256|PIRNR:PIRNR000108}.
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DR EMBL; CP000612; ABO51754.1; -; Genomic_DNA.
DR RefSeq; WP_011879539.1; NC_009253.1.
DR AlphaFoldDB; A4J9K1; -.
DR STRING; 349161.Dred_3254; -.
DR KEGG; drm:Dred_3254; -.
DR eggNOG; COG0538; Bacteria.
DR HOGENOM; CLU_023296_1_1_9; -.
DR OrthoDB; 9765655at2; -.
DR Proteomes; UP000001556; Chromosome.
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:0006102; P:isocitrate metabolic process; IEA:InterPro.
DR GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-KW.
DR Gene3D; 3.40.718.10; Isopropylmalate Dehydrogenase; 1.
DR InterPro; IPR019818; IsoCit/isopropylmalate_DH_CS.
DR InterPro; IPR004790; Isocitrate_DH_NADP.
DR InterPro; IPR024084; IsoPropMal-DH-like_dom.
DR NCBIfam; TIGR00127; nadp_idh_euk; 1.
DR PANTHER; PTHR11822:SF21; ISOCITRATE DEHYDROGENASE [NADP], MITOCHONDRIAL; 1.
DR PANTHER; PTHR11822; NADP-SPECIFIC ISOCITRATE DEHYDROGENASE; 1.
DR Pfam; PF00180; Iso_dh; 1.
DR PIRSF; PIRSF000108; IDH_NADP; 1.
DR SMART; SM01329; Iso_dh; 1.
DR SUPFAM; SSF53659; Isocitrate/Isopropylmalate dehydrogenase-like; 1.
DR PROSITE; PS00470; IDH_IMDH; 1.
PE 3: Inferred from homology;
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PIRNR:PIRNR000108};
KW Manganese {ECO:0000256|ARBA:ARBA00023211, ECO:0000256|PIRNR:PIRNR000108};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRNR:PIRNR000108};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|PIRNR:PIRNR000108};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR000108};
KW Reference proteome {ECO:0000313|Proteomes:UP000001556};
KW Tricarboxylic acid cycle {ECO:0000256|PIRNR:PIRNR000108}.
FT DOMAIN 8..394
FT /note="Isopropylmalate dehydrogenase-like"
FT /evidence="ECO:0000259|SMART:SM01329"
FT BINDING 78
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 95..101
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 110
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 133
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 251
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-3"
FT BINDING 274
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-3"
FT SITE 140
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-1"
FT SITE 211
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-1"
SQ SEQUENCE 402 AA; 45800 MW; B82F8D46A1DF6892 CRC64;
MADKIQMKVP LVEMDGDEMT RVIWQQIKDI LLLPYIDLQT VYYDLGLKKR DESEDKITVE
AAEATKKYGV AVKCATITPN AQRVEEYNLK QMWKSPNGTI RAILDGTVFR APIIVKNVKP
FVRTWEKPIT IARHAYGDVY KDVELKVKTK GKAELVFTGE DGQAMKEVIH NFAGPGILLG
MHNLDRSIES FARACFNYAL DQKQDLWFST KDTISKKYDH TFKDIFQEVY DREYKEKFTA
AGIEYFYTLI DDAVARVIRS SGGFIWACKN YDGDVMSDMV ATAFGSLAMM TSVLVSPEGH
YEYEAAHGTV TRHYYQHLKG EETSTNPVAT LFAWTGALRK RGELDQLDAL VEFTNKLEKA
SIETIEQGIM TKDLALLVEG DKRVVNTRQF LEEINIRLMK SL
//
