ID A0A101D536_9GAMM Unreviewed; 745 AA.
AC A0A101D536;
DT 13-APR-2016, integrated into UniProtKB/TrEMBL.
DT 13-APR-2016, sequence version 1.
DT 24-JAN-2024, entry version 28.
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 ORFNames=XD36_0380 {ECO:0000313|EMBL:KUJ89165.1};
OS Halomonas sp. 54_146.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Halomonadaceae; Halomonas.
OX NCBI_TaxID=1635257 {ECO:0000313|EMBL:KUJ89165.1, ECO:0000313|Proteomes:UP000053192};
RN [1] {ECO:0000313|Proteomes:UP000053192}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=26787827; DOI=10.1128/mbio.01669-15;
RA Hu P., Tom L., Singh A., Thomas B.C., Baker B.J., Piceno Y.M.,
RA Andersen G.L., Banfield J.F.;
RT "Genome-Resolved Metagenomic Analysis Reveals Roles for Candidate Phyla and
RT Other Microbial Community Members in Biogeochemical Transformations in Oil
RT Reservoirs.";
RL MBio 7:e01669-15(2015).
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KUJ89165.1}.
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DR EMBL; LGEN01000003; KUJ89165.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A101D536; -.
DR STRING; 1635257.XD36_0380; -.
DR PATRIC; fig|1635257.4.peg.1762; -.
DR Proteomes; UP000053192; Unassembled WGS sequence.
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:KUJ89165.1};
KW Tricarboxylic acid cycle {ECO:0000256|PIRNR:PIRNR009407}.
FT BINDING 83..88
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 133..140
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 136
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 146
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 351
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 256
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-1"
FT SITE 421
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-1"
SQ SEQUENCE 745 AA; 83151 MW; 82E07D031F70A6C5 CRC64;
MSKTPKIIYT LTDEAPALAT YSLLPIIDAF TDAAGIEVET RDISLAARVL SLFPDYLTEE
QRIEDHLAEL GALAKVPEAN IIKLPNISAS MPQLRAVIKE LQEQGYALPE YPDDPSSDEE
KDIKARYDKV KGSAVNPVLR EGNSDRRAPK AVKEYARKYP HSMGEWSQAS RTHVSHMHSG
DFYHGEKSIT LDRARNVKME LITASGETKV LKPRVELLEG EIIDSMFMSK KALLDFYERE
IEDARKTGVM FSLHVKATMM KVSHPIVFGH CVKIFYKDAF EKHGELFKEL GVDVNNGIAN
LYDKIATLPE SQRDEVISDL HACHDKRPEL AMVDSARGIT NFHSPSDVIV DASMPAMIRA
GGKMYGADGR LKDVKAVMPE STFARIYQEM INFCKWHGAF DPATMGTVPN VGLMAQKAEE
YGSHDKTFEI SEDGVANITD LDTGEVLLSQ NVEQGDIWRM CQVKDAPIRD WVKLAVERCR
DSGMPTVFWL DPYRPHENEL IKKVKTYLKD HDTEGLEIHI MSQVRAMRYT LERVIRGLDT
ISVTGNILRD YLTDLFPILE LGTSAKMLSI VPLMDGGGLF ETGAGGSAPK HVQQLLEENH
LRWDSLGEFL ALVASLEHLA KRFGNDRAKL LAKALDEANG KFLESNKSPS RKVGELDNRG
SHFYLALYWA EALAAQDQDA DLKARFARLA ETLKANETKI IDELNSVQGQ PVDLKGYYHP
SGELAGQVMR PSKTLNEALA MVANG
//
