ID A0A0S8CSC6_9BACT Unreviewed; 744 AA.
AC A0A0S8CSC6;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 13-SEP-2023, entry version 22.
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=AMK69_11250 {ECO:0000313|EMBL:KPK26933.1};
OS Nitrospira bacterium SG8_3.
OC Bacteria; Nitrospirota; Nitrospiria.
OX NCBI_TaxID=1704023 {ECO:0000313|EMBL:KPK26933.1, ECO:0000313|Proteomes:UP000051394};
RN [1] {ECO:0000313|EMBL:KPK26933.1, ECO:0000313|Proteomes:UP000051394}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SG8_3 {ECO:0000313|EMBL:KPK26933.1};
RX PubMed=25922666; DOI=10.1186/s40168-015-0077-6;
RA Baker B.J., Lazar C.S., Teske A.P., Dick G.J.;
RT "Genomic resolution of linkages in carbon, nitrogen, and sulfur cycling
RT among widespread estuary sediment bacteria.";
RL Microbiome 3:14-14(2015).
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:KPK26933.1}.
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DR EMBL; LJNR01000173; KPK26933.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0S8CSC6; -.
DR PATRIC; fig|1704023.3.peg.342; -.
DR Proteomes; UP000051394; 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:KPK26933.1};
KW Tricarboxylic acid cycle {ECO:0000256|PIRNR:PIRNR009407}.
FT BINDING 83..88
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 133..140
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 136
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 146
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 353
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 550
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-2"
FT BINDING 551
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 555
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-3"
FT BINDING 587..588
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 592
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 603..605
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT BINDING 652
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-4"
FT SITE 258
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-1"
FT SITE 423
FT /note="Critical for catalysis"
FT /evidence="ECO:0000256|PIRSR:PIRSR009407-1"
SQ SEQUENCE 744 AA; 81075 MW; F1AACDE396713EF4 CRC64;
MSAQPDIIYT KVDEAPELAS GSFLPIIQSF AKAAGVTVGT KDISLAGRIL AQFSDKLKPE
QRQPDDLALL GELVEKPEAN VIKLPNISAS LPQIKGAIAE LQSQGYAVPD YPEDPKNDEE
KEIKAKYDKV KGSAVNPVLR QGNSDRRASA SVKQYAKKNP HKMGKWTKDS RTHVAHMTSG
DFFGNEKSAT ITDQTAGQGR IEFVAGDGSV KVLKDKLTLK AGDVLDASVM SCRALRQFLK
EQVADAKQSG ILWSLHLKAT MMKVSDPIMF GHAVTVYFED VFKKHEKVFN ELGVNPSNGL
GDVYAKIGKL PAAQQEEIKA DIQAALKNGP ALAMVDSDKG ITNLHVPSDI IIDASMAAAL
RTSGKMWGPD GKEHDMKAIV PDRSYAGIYQ AVVEFCRENG EFNPSTMGSV PNVGLMAQKA
EEYGSHDKTF EATGKGVIRV IDGAGKVLLQ HDVEKGDIWR SCYTTDISIK DWVKLAVNRA
RASSTPVVFW LNKNRAHDAQ LIEKVNRYLK DHDTKGLDIQ IMAPNDAMKH SLERAKKGLD
TISATGNVLR DYLTDLFPIL ELGTSAKMLS IVPLINGGGL FETGAGGSAP KHVQQFVKEG
HLRWDSLGEF LALSESFAHL GQTKANKKAK VLAETLDRAT GKLMENRKAP GRELGQLDNI
GSHVYEALYW AQELAAQNDD LDLKKQFAPI SKELESKIDV ILEEIKAAKG RAQDIGGYYH
PDAAKVKAAM RPSATLNKIL ESVA
//