ID J9Z2X2_9PROT Unreviewed; 403 AA.
AC J9Z2X2;
DT 28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT 28-NOV-2012, sequence version 1.
DT 27-MAR-2024, entry version 53.
DE RecName: Full=Isocitrate dehydrogenase [NADP] {ECO:0000256|PIRNR:PIRNR000108};
DE EC=1.1.1.42 {ECO:0000256|PIRNR:PIRNR000108};
GN ORFNames=HIMB59_00014670 {ECO:0000313|EMBL:AFS49640.1};
OS alpha proteobacterium HIMB59.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Candidatus Pelagibacterales;
OC Candidatus Pelagibacteraceae.
OX NCBI_TaxID=744985 {ECO:0000313|EMBL:AFS49640.1, ECO:0000313|Proteomes:UP000006097};
RN [1] {ECO:0000313|EMBL:AFS49640.1, ECO:0000313|Proteomes:UP000006097}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HIMB59 {ECO:0000313|EMBL:AFS49640.1,
RC ECO:0000313|Proteomes:UP000006097};
RA Grote J., Thrash C., Huggett M.J., Landry Z., Carini P., Giovannoni S.J.,
RA Rappe M.S., Brinkac L., Kim M., Beeson K., Ferriera S., Sutton G.,
RA Friedman R., Venter J.C.;
RL Submitted (AUG-2012) 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:PIRNR000108};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRNR:PIRNR000108,
CC ECO:0000256|PIRSR:PIRSR000108-3};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PIRNR:PIRNR000108,
CC ECO:0000256|PIRSR:PIRSR000108-3};
CC Note=Binds 1 Mg(2+) or Mn(2+) ion per subunit.
CC {ECO:0000256|PIRNR:PIRNR000108, ECO:0000256|PIRSR:PIRSR000108-3};
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,
CC ECO:0000256|PIRNR:PIRNR000108}.
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DR EMBL; CP003801; AFS49640.1; -; Genomic_DNA.
DR AlphaFoldDB; J9Z2X2; -.
DR STRING; 744985.HIMB59_00014670; -.
DR KEGG; apc:HIMB59_00014670; -.
DR PATRIC; fig|744985.3.peg.1446; -.
DR eggNOG; COG0538; Bacteria.
DR HOGENOM; CLU_023296_1_1_5; -.
DR OrthoDB; 9765655at2; -.
DR Proteomes; UP000006097; 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:0006102; P:isocitrate metabolic process; IEA:InterPro.
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; IPR004790; Isocitrate_DH_NADP.
DR InterPro; IPR024084; IsoPropMal-DH-like_dom.
DR NCBIfam; TIGR00127; nadp_idh_euk; 1.
DR PANTHER; PTHR11822:SF21; ISOCITRATE DEHYDROGENASE [NADP], MITOCHONDRIAL; 1.
DR PANTHER; PTHR11822; NADP-SPECIFIC ISOCITRATE DEHYDROGENASE; 1.
DR Pfam; PF00180; Iso_dh; 1.
DR PIRSF; PIRSF000108; IDH_NADP; 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 Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PIRNR:PIRNR000108};
KW Manganese {ECO:0000256|ARBA:ARBA00023211, ECO:0000256|PIRNR:PIRNR000108};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRNR:PIRNR000108};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|PIRNR:PIRNR000108};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR000108};
KW Reference proteome {ECO:0000313|Proteomes:UP000006097};
KW Tricarboxylic acid cycle {ECO:0000256|PIRNR:PIRNR000108}.
FT DOMAIN 9..394
FT /note="Isopropylmalate dehydrogenase-like"
FT /evidence="ECO:0000259|SMART:SM01329"
FT BINDING 75..77
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-4"
FT BINDING 77
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 82
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-4"
FT BINDING 94..100
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 109
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 132
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 250
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-3"
FT BINDING 258
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-4"
FT BINDING 273
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-3"
FT BINDING 308..313
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-4"
FT BINDING 326
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-4"
FT SITE 139
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-1"
FT SITE 210
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-1"
SQ SEQUENCE 403 AA; 46290 MW; E9F4C3CA1721106D CRC64;
MSKIKVKNPV VELDGDEMTR IIWDFIKKKL ILPYLDIELK YYDLSVQKRD DTNDQITIDA
ANAIKTYGVG VKCATITPDD NRMSEFNLKK MWRSPNGTIR NILDGTVFRQ PIICQNIPRI
VRTWNDPIVV GRHAFGDQYR ATEMQITKPG KLYLKFVSEE GETFEEEVFQ FQNNGVALSM
YNLDDSIRGF ARACFNYGLN LKWPVYLSTK DTILKKYDGR FKELFQEVFD AEFKKSFEEN
NIIYEHRLID DLVASAMKWS GKFVWACKNY DGDVQSDSVA QGYGSLGMMS SVLMTPDGKT
IESEAAHGTV TRHYRQHQKG EKTSTNPIAS IFAWSKGLYF RGQFDHNQDL MNFANNLEKT
CIETVESGQM TKDLAILVSP DTKWMNTEDF LSCLDVNLQK KLA
//
