ID A2CCU7_PROM3 Unreviewed; 474 AA.
AC A2CCU7;
DT 20-FEB-2007, integrated into UniProtKB/TrEMBL.
DT 20-FEB-2007, sequence version 1.
DT 27-MAR-2024, entry version 99.
DE RecName: Full=Isocitrate dehydrogenase [NADP] {ECO:0000256|RuleBase:RU004446};
DE EC=1.1.1.42 {ECO:0000256|RuleBase:RU004446};
GN Name=icd {ECO:0000313|EMBL:ABM79307.1};
GN OrderedLocusNames=P9303_25761 {ECO:0000313|EMBL:ABM79307.1};
OS Prochlorococcus marinus (strain MIT 9303).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales;
OC Prochlorococcaceae; Prochlorococcus.
OX NCBI_TaxID=59922 {ECO:0000313|EMBL:ABM79307.1, ECO:0000313|Proteomes:UP000002274};
RN [1] {ECO:0000313|EMBL:ABM79307.1, ECO:0000313|Proteomes:UP000002274}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MIT 9303 {ECO:0000313|EMBL:ABM79307.1,
RC ECO:0000313|Proteomes:UP000002274};
RX PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA Richardson P., Chisholm S.W.;
RT "Patterns and implications of gene gain and loss in the evolution of
RT Prochlorococcus.";
RL PLoS Genet. 3:2515-2528(2007).
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; CP000554; ABM79307.1; -; Genomic_DNA.
DR AlphaFoldDB; A2CCU7; -.
DR STRING; 59922.P9303_25761; -.
DR KEGG; pmf:P9303_25761; -.
DR HOGENOM; CLU_031953_7_1_3; -.
DR BioCyc; PMAR59922:G1G80-2257-MONOMER; -.
DR Proteomes; UP000002274; 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; 2.
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; 2.
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|PIRSR:PIRSR604439-3, ECO:0000256|RuleBase:RU004446};
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:ABM79307.1};
KW Tricarboxylic acid cycle {ECO:0000256|ARBA:ARBA00022532,
KW ECO:0000256|RuleBase:RU004446}.
FT DOMAIN 30..470
FT /note="Isopropylmalate dehydrogenase-like"
FT /evidence="ECO:0000259|SMART:SM01329"
FT BINDING 106
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT BINDING 115
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 117
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 121
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 131
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 155
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-1"
FT BINDING 364
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-3"
FT BINDING 409
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT BINDING 448
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT BINDING 452
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-2"
FT SITE 162
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-4"
FT SITE 239
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-4"
FT MOD_RES 102
FT /note="N6-succinyllysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-5"
FT MOD_RES 115
FT /note="Phosphoserine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-5"
FT MOD_RES 144
FT /note="N6-acetyllysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604439-5"
SQ SEQUENCE 474 AA; 51976 MW; A63EDDB2FC20A9B8 CRC64;
MAQFEKLSAP SQGTAIRFVN GQPVIPNEPI IPFIRGDGTG VDIWPATQRV LDAAVTKAYQ
GVRRIEWFKV YAGDEACDLY GTYQYLPEDT LEAIRTYGVA IKGPLTTPIG GGIRSLNVAL
RQIFDLYSCV RPCRYYKGTP SPHKRPQDLD VIVYRENTED IYMGVEWEAD DPVGQTLREH
LNTVVIPANG KLGKRQIPEG SGIGIKPVSK HGSQRHIRKA IQHALRLKGD KRHVTLVHKG
NIMKFTEGAF RDWGYELATS EFRDVCITER ESWILGNLEN DPQLSIQANA RMIEPGYDNL
TPERKASIDA EVHGVLDAIG TSHGNGQWKA MVLVDDRIAD SIFQQIQTRP QEYSILATLN
LNGDYISDAA AAMVGGLGMA PGANIGENAA IFEATHGTAP KHAGLDRINP GSVILSGVMM
LEFLGWQEAA DLITKGLSAA IANQQVTYDL ARLMDPPVEP VSCSGFSEAV ISHF
//
