ID A0A0G3V625_9ACTN Unreviewed; 400 AA.
AC A0A0G3V625;
DT 16-SEP-2015, integrated into UniProtKB/TrEMBL.
DT 16-SEP-2015, sequence version 1.
DT 24-JAN-2024, entry version 31.
DE RecName: Full=Isocitrate dehydrogenase [NADP] {ECO:0000256|RuleBase:RU004446};
DE EC=1.1.1.42 {ECO:0000256|RuleBase:RU004446};
GN ORFNames=IMCC26256_112039 {ECO:0000313|EMBL:AKL74307.1};
OS Actinobacteria bacterium IMCC26256.
OC Bacteria; Actinomycetota; Actinomycetes.
OX NCBI_TaxID=1650658 {ECO:0000313|EMBL:AKL74307.1, ECO:0000313|Proteomes:UP000035517};
RN [1] {ECO:0000313|EMBL:AKL74307.1, ECO:0000313|Proteomes:UP000035517}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IMCC26256 {ECO:0000313|EMBL:AKL74307.1,
RC ECO:0000313|Proteomes:UP000035517};
RA Kim S.;
RT "Genome sequencing of freshwater Actinobacteria.";
RL Submitted (MAY-2015) 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; CP011489; AKL74307.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0G3V625; -.
DR STRING; 1650658.IMCC26256_112039; -.
DR KEGG; abai:IMCC26256_112039; -.
DR PATRIC; fig|1650658.3.peg.2039; -.
DR Proteomes; UP000035517; 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: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|ARBA:ARBA00023211, ECO:0000256|PIRSR:PIRSR604439-3};
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 ECO:0000313|EMBL:AKL74307.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000035517};
KW Tricarboxylic acid cycle {ECO:0000256|ARBA:ARBA00022532,
KW ECO:0000256|RuleBase:RU004446}.
FT DOMAIN 19..396
FT /note="Isopropylmalate dehydrogenase-like"
FT /evidence="ECO:0000259|SMART:SM01329"
FT BINDING 93
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT BINDING 102
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 104
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 108
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 118
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 142
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 289
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-3"
FT BINDING 323..329
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT BINDING 336
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT BINDING 375
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT BINDING 379
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT SITE 149
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-4"
FT SITE 216
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-4"
FT MOD_RES 89
FT /note="N6-succinyllysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-5"
FT MOD_RES 102
FT /note="Phosphoserine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-5"
FT MOD_RES 131
FT /note="N6-acetyllysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-5"
SQ SEQUENCE 400 AA; 43298 MW; 6F62FD685900DF7C CRC64;
MPEKITLTSG VLNVPDQPII PFIEGDGTGV DIWPAAQLVL DAAVEKAFAG KRKISWLEVL
AGEKAFNQTG NWLPDETVAS FNDHLIGIKG PLTTPIGGGI RSLNVALRQL LDLYVCLRPV
RWFQGVPSPV KRPQLVDMVI FRENTEDVYA GFELEGGSSE ATRLLEFCRE EFGWEIRPGS
GLGVKPISEF GSKRLIRASL EYAKTSGRKS VTLVHKGNIM KFTEGAFRNY GYEIVRDEFA
DVAVGWDDCG GDPGDKILVK DSIADITLQQ VLTRPEDFDV IATMNLNGDY LSDALAAQVG
GIGIAPGGNI NYVTGHGIFE ATHGTAPKYA GQDKVNPGSV ILSGVMMLEH LGWNAAAEMI
VAGIEAAIAD KVVTYDFARL MEGAHEVKTS EFAQAVVDRM
//
