ID A0A1Q5DBM3_9ACTN Unreviewed; 739 AA.
AC A0A1Q5DBM3;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 24-JAN-2024, entry version 25.
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=AMK18_31290 {ECO:0000313|EMBL:OKI93273.1};
OS Streptomyces sp. CB01249.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=1703929 {ECO:0000313|EMBL:OKI93273.1, ECO:0000313|Proteomes:UP000186839};
RN [1] {ECO:0000313|EMBL:OKI93273.1, ECO:0000313|Proteomes:UP000186839}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CB01249 {ECO:0000313|EMBL:OKI93273.1,
RC ECO:0000313|Proteomes:UP000186839};
RX PubMed=27999165; DOI=10.1128/mbio.02104-16;
RA Yan X., Ge H., Huang T., Hindra, Yang D., Teng Q., Crnovcic I., Li X.,
RA Rudolf J.D., Lohman J.R., Gansemans Y., Zhu X., Huang Y., Zhao L.X.,
RA Jiang Y., Van Nieuwerburgh F., Rader C., Duan Y., Shen B.;
RT "Strain Prioritization and Genome Mining for Enediyne Natural Products.";
RL MBio 7:e02104-e02116(2016).
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:OKI93273.1}.
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DR EMBL; LISW01000009; OKI93273.1; -; Genomic_DNA.
DR RefSeq; WP_018102870.1; NZ_LISW01000009.1.
DR AlphaFoldDB; A0A1Q5DBM3; -.
DR OrthoDB; 9807643at2; -.
DR Proteomes; UP000186839; 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:OKI93273.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000186839};
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 348
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 545
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 546
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 550
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 582..583
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 587
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 598..600
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 647
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 418
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-1"
SQ SEQUENCE 739 AA; 79089 MW; 98603F9375800EC4 CRC64;
MTDSTIIYTH TDEAPALATY SFLPVIEAYA SKAGVTVESR DISLAGRIIA GFPERLREDQ
RIDDALAELG ALATTPGANI IKLPNISASI PQLKAAIAEL QAQGYALPDY PDDPKTDEDK
DVRARYDKVK GSAVNPVLRE GNSDRRAPAS VKNYAKTHPH RMGAWTADSK TNVATMGVDD
FRSTEKSAVI AEPGTLRIEL AGDDGTTTVL RESVPVLAGE VVDASVMRVA ALREFITAQI
ARAKAEGVLF SVHLKATMMK VSDPIIFGHV VRAFFPKTFA EYGDALAAAG LTPNDGLGGI
LKGLEALPEG AKIKESFEAE LAEGPALAMV DSDKGITNLH VPSDVIVDAS MPAMIRTSGH
MWGPDGNEAD TIAVLPDSSY AGVYQVVIDD CRAHGAFDPA TMGSVPNVGL MAQKAEEYGS
HDKTFEIPAT GTVRVVDAAG NAVLEQAVGA GDIFRMCQTK DLPIQDWVKL AVTRARATGN
PAVFWLDEDR AHDAQLIEKV RTYLAEHDTE GLQIEIMTPE KATAFSLERI RRGEDTISVT
GNVLRDYLTD LFPILELGTS AKMLSVVPLM NGGGLFETGA GGSAPKHVQQ LVKEDYLRWD
SLGEFLALAV SFEHLAQTTG NARAQVLADT LDRATATFLN EDKSPSRRLG GIDNRGSHFY
LSLYWAQELA QQTADAELAA AFAPLAKTLS EQEQTIVDEL IAVQGKPADI GGYYQPDPAK
AAAVMRPSAT FNQAIASLA
//
