ID J3AP49_9PSED Unreviewed; 360 AA.
AC J3AP49;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 54.
DE RecName: Full=3-isopropylmalate dehydrogenase {ECO:0000256|HAMAP-Rule:MF_01033};
DE EC=1.1.1.85 {ECO:0000256|HAMAP-Rule:MF_01033};
DE AltName: Full=3-IPM-DH {ECO:0000256|HAMAP-Rule:MF_01033};
DE AltName: Full=Beta-IPM dehydrogenase {ECO:0000256|HAMAP-Rule:MF_01033};
DE Short=IMDH {ECO:0000256|HAMAP-Rule:MF_01033};
GN Name=leuB {ECO:0000256|HAMAP-Rule:MF_01033};
GN ORFNames=PMI30_01305 {ECO:0000313|EMBL:EJM68858.1};
OS Pseudomonas sp. GM50.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=1144332 {ECO:0000313|EMBL:EJM68858.1, ECO:0000313|Proteomes:UP000007513};
RN [1] {ECO:0000313|EMBL:EJM68858.1, ECO:0000313|Proteomes:UP000007513}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=GM50 {ECO:0000313|EMBL:EJM68858.1,
RC ECO:0000313|Proteomes:UP000007513};
RX PubMed=23045501; DOI=10.1128/JB.01243-12;
RA Brown S.D., Utturkar S.M., Klingeman D.M., Johnson C.M., Martin S.L.,
RA Land M.L., Lu T.Y., Schadt C.W., Doktycz M.J., Pelletier D.A.;
RT "Twenty-one genome sequences from Pseudomonas species and 19 genome
RT sequences from diverse bacteria isolated from the rhizosphere and
RT endosphere of Populus deltoides.";
RL J. Bacteriol. 194:5991-5993(2012).
CC -!- FUNCTION: Catalyzes the oxidation of 3-carboxy-2-hydroxy-4-
CC methylpentanoate (3-isopropylmalate) to 3-carboxy-4-methyl-2-
CC oxopentanoate. The product decarboxylates to 4-methyl-2 oxopentanoate.
CC {ECO:0000256|HAMAP-Rule:MF_01033, ECO:0000256|RuleBase:RU004445}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2R,3S)-3-isopropylmalate + NAD(+) = 4-methyl-2-oxopentanoate
CC + CO2 + NADH; Xref=Rhea:RHEA:32271, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:17865, ChEBI:CHEBI:35121, ChEBI:CHEBI:57540,
CC ChEBI:CHEBI:57945; EC=1.1.1.85;
CC Evidence={ECO:0000256|ARBA:ARBA00000624, ECO:0000256|HAMAP-
CC Rule:MF_01033, ECO:0000256|RuleBase:RU004445};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01033,
CC ECO:0000256|RuleBase:RU004445};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01033,
CC ECO:0000256|RuleBase:RU004445};
CC Note=Binds 1 Mg(2+) or Mn(2+) ion per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_01033, ECO:0000256|RuleBase:RU004445};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|ARBA:ARBA00001936};
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 3/4. {ECO:0000256|ARBA:ARBA00004762,
CC ECO:0000256|HAMAP-Rule:MF_01033, ECO:0000256|RuleBase:RU004445}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738, ECO:0000256|HAMAP-
CC Rule:MF_01033, ECO:0000256|RuleBase:RU004445}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01033}.
CC -!- SIMILARITY: Belongs to the isocitrate and isopropylmalate
CC dehydrogenases family. LeuB type 1 subfamily.
CC {ECO:0000256|ARBA:ARBA00008319, ECO:0000256|HAMAP-Rule:MF_01033}.
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:EJM68858.1}.
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DR EMBL; AKJK01000040; EJM68858.1; -; Genomic_DNA.
DR RefSeq; WP_008007203.1; NZ_AKJK01000040.1.
DR AlphaFoldDB; J3AP49; -.
DR PATRIC; fig|1144332.3.peg.1250; -.
DR UniPathway; UPA00048; UER00072.
DR Proteomes; UP000007513; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003862; F:3-isopropylmalate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:InterPro.
DR GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.718.10; Isopropylmalate Dehydrogenase; 1.
DR HAMAP; MF_01033; LeuB_type1; 1.
DR InterPro; IPR019818; IsoCit/isopropylmalate_DH_CS.
DR InterPro; IPR024084; IsoPropMal-DH-like_dom.
DR InterPro; IPR004429; Isopropylmalate_DH.
DR NCBIfam; TIGR00169; leuB; 1.
DR PANTHER; PTHR42979; 3-ISOPROPYLMALATE DEHYDROGENASE; 1.
DR PANTHER; PTHR42979:SF1; 3-ISOPROPYLMALATE DEHYDROGENASE; 1.
DR Pfam; PF00180; Iso_dh; 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 Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_01033};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|HAMAP-Rule:MF_01033};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01033};
KW Leucine biosynthesis {ECO:0000256|ARBA:ARBA00022430, ECO:0000256|HAMAP-
KW Rule:MF_01033};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01033};
KW Manganese {ECO:0000256|HAMAP-Rule:MF_01033};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01033};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_01033};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_01033}.
FT DOMAIN 4..353
FT /note="Isopropylmalate dehydrogenase-like"
FT /evidence="ECO:0000259|SMART:SM01329"
FT BINDING 76..89
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT BINDING 96
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT BINDING 106
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT BINDING 134
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT BINDING 224
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT BINDING 224
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT BINDING 248
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT BINDING 252
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT BINDING 282..294
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT SITE 141
FT /note="Important for catalysis"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT SITE 192
FT /note="Important for catalysis"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
SQ SEQUENCE 360 AA; 38686 MW; C02BBB43638787F4 CRC64;
MSKQILILPG DGIGPEIMAE AVKVLELAND KYSLGFELSH DVIGGAAIDK HGVPLADETL
ARARAADAVL LGAVGGPKWD TIERDIRPER GLLKIRAQLG LFGNLRPAIL YPQLAEASSL
KAEIVAGLDI LIVRELTGGI YFGAPRGVRE LENGERQAYD TLPYSETEIR RIARVGFDMA
RVRGKKLCSV DKANVLASSQ LWREVVEQVA KDYPDVELSH MYVDNAAMQL VRAPKQFDVI
VTDNLFGDIL SDEASMLTGS IGMLPSASLD ANNKGMYEPC HGSAPDIAGK GIANPLATIL
SVSMMLRYSF NLQDAADAIE KAVSLVLDQG LRTGDIWSAG CTKVGTQEMG DAVVAALRNL
//
