ID E4WVB4_OIKDI Unreviewed; 412 AA.
AC E4WVB4;
DT 08-FEB-2011, integrated into UniProtKB/TrEMBL.
DT 08-FEB-2011, sequence version 1.
DT 27-MAR-2024, entry version 55.
DE RecName: Full=Isocitrate dehydrogenase [NADP] {ECO:0000256|PIRNR:PIRNR000108};
DE EC=1.1.1.42 {ECO:0000256|PIRNR:PIRNR000108};
GN ORFNames=GSOID_T00008820001 {ECO:0000313|EMBL:CBY21067.1};
OS Oikopleura dioica (Tunicate).
OC Eukaryota; Metazoa; Chordata; Tunicata; Appendicularia; Copelata;
OC Oikopleuridae; Oikopleura.
OX NCBI_TaxID=34765 {ECO:0000313|EMBL:CBY21067.1};
RN [1] {ECO:0000313|EMBL:CBY21067.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=21097902; DOI=10.1126/science.1194167;
RA Denoeud F., Henriet S., Mungpakdee S., Aury J.M., Da Silva C.,
RA Brinkmann H., Mikhaleva J., Olsen L.C., Jubin C., Canestro C.,
RA Bouquet J.M., Danks G., Poulain J., Campsteijn C., Adamski M., Cross I.,
RA Yadetie F., Muffato M., Louis A., Butcher S., Tsagkogeorga G., Konrad A.,
RA Singh S., Jensen M.F., Cong E.H., Eikeseth-Otteraa H., Noel B.,
RA Anthouard V., Porcel B.M., Kachouri-Lafond R., Nishino A., Ugolini M.,
RA Chourrout P., Nishida H., Aasland R., Huzurbazar S., Westhof E., Delsuc F.,
RA Lehrach H., Reinhardt R., Weissenbach J., Roy S.W., Artiguenave F.,
RA Postlethwait J.H., Manak J.R., Thompson E.M., Jaillon O., Du Pasquier L.,
RA Boudinot P., Liberles D.A., Volff J.N., Philippe H., Lenhard B.,
RA Roest Crollius H., Wincker P., Chourrout D.;
RT "Plasticity of animal genome architecture unmasked by rapid evolution of a
RT pelagic tunicate.";
RL Science 330:1381-1385(2010).
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; FN653017; CBY21067.1; -; Genomic_DNA.
DR AlphaFoldDB; E4WVB4; -.
DR InParanoid; E4WVB4; -.
DR Proteomes; UP000001307; 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: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 Glyoxylate bypass {ECO:0000256|ARBA:ARBA00022435};
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:UP000001307};
KW Tricarboxylic acid cycle {ECO:0000256|ARBA:ARBA00022532,
KW ECO:0000256|PIRNR:PIRNR000108}.
FT DOMAIN 8..403
FT /note="Isopropylmalate dehydrogenase-like"
FT /evidence="ECO:0000259|SMART:SM01329"
FT BINDING 76..78
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-4"
FT BINDING 78
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 83
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-4"
FT BINDING 95..101
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 110
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 133
FT /ligand="D-threo-isocitrate"
FT /ligand_id="ChEBI:CHEBI:15562"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-2"
FT BINDING 252
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-3"
FT BINDING 260
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-4"
FT BINDING 275
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-3"
FT BINDING 310..315
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-4"
FT BINDING 328
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-4"
FT SITE 140
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-1"
FT SITE 212
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR000108-1"
SQ SEQUENCE 412 AA; 46126 MW; 6E674F1B71AB7DF2 CRC64;
MSKISCGPVV EMQGDEMTRI IWDLIKEKLI LPYIDFGDNL HFFDLSIQKR DETDDQITVD
CANAILKYGV GIKCATITPD EKRVQEFGLK KMWRSPNGTI RNILGGTVFR EPILCSNVPR
LVTTWNNPIV VGRHAHADQY KATDLVIPKA GTLTMTFQPD DGSAPIQHTI YKYEEGGVAM
GMYNTDKSIR DFARSCMIFA AGREWPLYLS TKNTILKKYD GRFKDIFAEI YEAEFKSSFE
EKGIWYEHRL IDDMVAYALK SSGKFVWACK NYDGDVQSDS VAQGYGSLGL MTSVLVCPDG
KTVESEAAHG TVTRHYRAHQ AGKETSTNPI ASIFAWTRGL EHRAKLDKNE ALAKYCATLE
KVCVSTIESG SMTKDLAICT KNGDASKVTR ADYLNTFEFL DKIADNLKAA MI
//