ID A0A1Z4VQY3_9GAMM Unreviewed; 741 AA.
AC A0A1Z4VQY3;
DT 27-SEP-2017, integrated into UniProtKB/TrEMBL.
DT 27-SEP-2017, sequence version 1.
DT 27-MAR-2024, entry version 23.
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=FOKN1_1658 {ECO:0000313|EMBL:BAZ94046.1};
OS Thiohalobacter thiocyanaticus.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiohalobacterales;
OC Thiohalobacteraceae; Thiohalobacter.
OX NCBI_TaxID=585455 {ECO:0000313|EMBL:BAZ94046.1, ECO:0000313|Proteomes:UP000218765};
RN [1] {ECO:0000313|EMBL:BAZ94046.1, ECO:0000313|Proteomes:UP000218765}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=FOKN1 {ECO:0000313|EMBL:BAZ94046.1,
RC ECO:0000313|Proteomes:UP000218765};
RA Oshiki M., Fukushima T., Kawano S., Nakagawa J.;
RT "Thiocyanate degradation by Thiohalobacter thiocyanaticus FOKN1.";
RL Submitted (MAY-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|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; AP018052; BAZ94046.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Z4VQY3; -.
DR KEGG; ttc:FOKN1_1658; -.
DR OrthoDB; 9807643at2; -.
DR Proteomes; UP000218765; Chromosome.
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 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:UP000218765};
KW Tricarboxylic acid cycle {ECO:0000256|PIRNR:PIRNR009407}.
FT BINDING 82..87
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 132..139
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 135
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 145
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 350
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 547
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 548
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 552
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 584..585
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 589
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 600..602
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 649
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT SITE 255
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-1"
FT SITE 420
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-1"
SQ SEQUENCE 741 AA; 81195 MW; DADBFD9FD6A383B5 CRC64;
MSDPSIIYTE TDEAPALATH SFLPMVQAFT SAAGIRVETR DISLAGRIIA AFPERLTEAQ
RRPDALAELG ELAKTPEASI IKLPNISASI PQLNAAIREL QAQGYDLPDY PHEPVDAEEE
QIKARYAKVL GSAVNPVLRE GNSDRRVAGA VKEYARRHPH RMGAWSADSK TRVASMESGD
FHGSEQSAVI DTAGGVKIEL VGEDGGTQVL KEKVAVGAGE VIDASVMNCG TLREFFEQAA
EQAKRDGVLL SLHLKATMMK VSDPIIFGHA VSVYFREVFD KHAETFKQLG VDPRYGMADL
YTRLQELPED RRQAIEADIQ AVYESRPELA MVDSSRGITN LHVPSDVIID ASMPAAIRAG
GKMWGPDDGQ HDTLAMIPDR NYAGVYQATI DFCKQHGAFD PATMGSVSNV GLMAQKAEEY
GSHDKTFEIP AAGTVRVIDT QGRVLLEHAV EAGDIWRMCQ TKDLPIRDWV KLAVTRARLT
GQPAVFWLDP ERAHDANLIA RVEAYLQEHD TDGLEIRIMT PAEATRYTLE RMRRGEDTIS
VTGNVLRDYL TDLFPILELG TSAKMLSIVP LLAGGGLYET GAGGSAPKHV QQLLEQNHLR
WDSLGEFLAL AVALEEYGRK QDNARAGVIA RALHQANSDY LNNNKSPSRK VGEPDTRASH
YYLTLYWARA LAAQDEDAGL KEIFAPVAQR LQEAEQTILD ELNAVQGTPA DLGGYYHPDR
AKTAAVMRPS ATLNTVIDQL K
//
