ID A0A1I3DJL6_9GAMM Unreviewed; 744 AA.
AC A0A1I3DJL6;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 19.
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=SAMN04487959_11169 {ECO:0000313|EMBL:SFH86896.1};
OS Halomonas xianhensis.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Halomonadaceae; Halomonas.
OX NCBI_TaxID=442341 {ECO:0000313|EMBL:SFH86896.1, ECO:0000313|Proteomes:UP000199040};
RN [1] {ECO:0000313|EMBL:SFH86896.1, ECO:0000313|Proteomes:UP000199040}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CGMCC 1.6848 {ECO:0000313|EMBL:SFH86896.1,
RC ECO:0000313|Proteomes:UP000199040};
RA de Groot N.N.;
RL Submitted (OCT-2016) 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; FOPY01000011; SFH86896.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1I3DJL6; -.
DR STRING; 442341.SAMN04487959_11169; -.
DR Proteomes; UP000199040; 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; 2.
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 Reference proteome {ECO:0000313|Proteomes:UP000199040};
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 548
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 549
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 553
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 585..586
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 590
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 601..603
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 650
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 744 AA; 81480 MW; EBA6823BB4BF09CA CRC64;
MSKTPKIIYT LTDEAPALAT YSLLPIIDAF TDPAGIEVET RDISLAGRII SQFPDVLSEE
QRIGDHLAEL GELAKTPEAN IIKLPNISAS TPQLKAAIKE LQQQGYKLPD YSEEPRTDEE
KAIKARYDKV KGSAVNPVLR EGNSDRRAPL SVKNYARKYP HRMGEWSSES QSHVSHMSEG
DFYGSEKSAT LGAAGSLKIE LVGQDGSTTV LKEKTPVLDG EVVDAAVMSS NALRAFIAEA
IEDAKSKDVL FSLHLKATMM KVSDPIMFGM VVSEFYKDVL SKHADDLAKV GFDPNNGIGD
LYATITSLPE DKQAEIESDI QALYNERPSL AMVNSHKGIT NLHVPSDVII DASMPAMIRD
SGKMWGTDDA LHDAKAVIPD RCYAGIYQTV IEDCKQHGAF DPTTMGSVPN VGLMAQKAEE
YGSHDKTFQI PAAGTVRVTD EQGNVVFEHA VEKGDIWRMC QTKDAPIQDW VKLAVTRARD
SGAPAVFWLD ANRAHDAQLI KKVEHYLKDH DTSGLDIHIM APEEAMRFSL ERIRAGKDTI
SVTGNVLRDY LTDLFPIMEL GTSAKMLSIV PLMNGGGLFE TGAGGSAPKH VQQFLQENHL
RWDSLGEFLA LAASLEHLGN TFDNQRAKVL GKTLDQANGQ FLDSNKAPSR KVGEIDNRGS
HFYLALYWAQ ALADQDEDAE LKSQFTELAK TLEAEEQTIV NELNQVQGKP VDIQGYYHPN
GELASQAMRP SATLNAALGK LSKA
//
