ID A0A1T4W274_9GAMM Unreviewed; 417 AA.
AC A0A1T4W274;
DT 10-MAY-2017, integrated into UniProtKB/TrEMBL.
DT 10-MAY-2017, sequence version 1.
DT 24-JAN-2024, entry version 20.
DE RecName: Full=Isocitrate dehydrogenase [NADP] {ECO:0000256|RuleBase:RU004446};
DE EC=1.1.1.42 {ECO:0000256|RuleBase:RU004446};
GN ORFNames=SAMN02745130_00794 {ECO:0000313|EMBL:SKA71165.1};
OS Thiothrix eikelboomii.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Thiotrichaceae; Thiothrix.
OX NCBI_TaxID=92487 {ECO:0000313|EMBL:SKA71165.1, ECO:0000313|Proteomes:UP000190460};
RN [1] {ECO:0000313|EMBL:SKA71165.1, ECO:0000313|Proteomes:UP000190460}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49788 {ECO:0000313|EMBL:SKA71165.1,
RC ECO:0000313|Proteomes:UP000190460};
RA Peterson S.W.;
RL Submitted (FEB-2017) 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|ARBA:ARBA00023554};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR604439-3};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PIRSR:PIRSR604439-3};
CC Note=Binds 1 Mg(2+) or Mn(2+) ion per subunit.
CC {ECO:0000256|PIRSR:PIRSR604439-3};
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}.
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DR EMBL; FUYB01000003; SKA71165.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1T4W274; -.
DR STRING; 92487.SAMN02745130_00794; -.
DR OrthoDB; 9806254at2; -.
DR Proteomes; UP000190460; Unassembled WGS sequence.
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 Gene3D; 3.40.718.10; Isopropylmalate Dehydrogenase; 1.
DR InterPro; IPR019818; IsoCit/isopropylmalate_DH_CS.
DR InterPro; IPR004439; Isocitrate_DH_NADP_dimer_prok.
DR InterPro; IPR024084; IsoPropMal-DH-like_dom.
DR NCBIfam; TIGR00183; prok_nadp_idh; 1.
DR PANTHER; PTHR43504; ISOCITRATE DEHYDROGENASE [NADP]; 1.
DR PANTHER; PTHR43504:SF1; ISOCITRATE DEHYDROGENASE [NADP]; 1.
DR Pfam; PF00180; Iso_dh; 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 Glyoxylate bypass {ECO:0000256|ARBA:ARBA00022435,
KW ECO:0000256|RuleBase:RU004446};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PIRSR:PIRSR604439-3};
KW Manganese {ECO:0000256|PIRSR:PIRSR604439-3, ECO:0000256|RuleBase:RU004446};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU004446};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|PIRSR:PIRSR604439-2};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000190460};
KW Tricarboxylic acid cycle {ECO:0000256|ARBA:ARBA00022532,
KW ECO:0000256|RuleBase:RU004446}.
FT DOMAIN 29..413
FT /note="Isopropylmalate dehydrogenase-like"
FT /evidence="ECO:0000259|SMART:SM01329"
FT BINDING 105
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT BINDING 114
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 116
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 120
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 130
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 154
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 308
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-3"
FT BINDING 353
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT BINDING 396
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT SITE 161
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-4"
FT SITE 231
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-4"
FT MOD_RES 101
FT /note="N6-succinyllysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-5"
FT MOD_RES 114
FT /note="Phosphoserine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-5"
FT MOD_RES 243
FT /note="N6-succinyllysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-5"
SQ SEQUENCE 417 AA; 45753 MW; D83EA5107F16F1BD CRC64;
MYKHIKVPTS GQKITTNPDF SLSVPDQPII PFVEGDGIGV DITPVMIKVI DTAVERAYGG
KRQIQWMEIY AGEKANTIYG EDIWLPEETI KAVKDFVVSI KGPLTTPVGG GIRSLNVKLR
QDLDLYVCLR PVRYYPGTPS PVREPEKTNM VIFRENAEDI YAGIEWSADS AEAKKVIDFL
IHEMGVTKIR FPETSGIGVK PVSSEGTKRL VRKAIQYTVD NDLPSMTLVH KGNIMKFTEG
GFKTWGYELA KEEFGAVEIK GGPWCSFKNP RTGSEIIIKD VIADNFLQQI LLRPEEYSVV
ATLNLNGDYI SDALAAQVGG IGIAPGANMS DTVAMFEATH GTAPTFAGQD RVNPSSLILS
AEMMLRHMGW VEAADLVIKG VEGAIASGRV TFDFARLIDT AEEVSCSEFG DNIIEHM
//