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Database: UniProt
Entry: A0A0Q4Q6P5_9BACL
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ID   A0A0Q4Q6P5_9BACL        Unreviewed;       360 AA.
AC   A0A0Q4Q6P5;
DT   20-JAN-2016, integrated into UniProtKB/TrEMBL.
DT   20-JAN-2016, sequence version 1.
DT   24-JAN-2024, entry version 37.
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=ASF12_24710 {ECO:0000313|EMBL:KQN96037.1};
OS   Paenibacillus sp. Leaf72.
OC   Bacteria; Bacillota; Bacilli; Bacillales; Paenibacillaceae; Paenibacillus.
OX   NCBI_TaxID=1736234 {ECO:0000313|EMBL:KQN96037.1, ECO:0000313|Proteomes:UP000051722};
RN   [1] {ECO:0000313|EMBL:KQN96037.1, ECO:0000313|Proteomes:UP000051722}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Leaf72 {ECO:0000313|EMBL:KQN96037.1,
RC   ECO:0000313|Proteomes:UP000051722};
RA   Gilbert D.G.;
RL   Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|EMBL:KQN96037.1, ECO:0000313|Proteomes:UP000051722}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Leaf72 {ECO:0000313|EMBL:KQN96037.1,
RC   ECO:0000313|Proteomes:UP000051722};
RA   Schulze-Lefert P.;
RT   "Functional overlap of the Arabidopsis leaf and root microbiotas.";
RL   Submitted (NOV-2015) to the EMBL/GenBank/DDBJ databases.
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: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {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:KQN96037.1}.
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DR   EMBL; LMLV01000035; KQN96037.1; -; Genomic_DNA.
DR   RefSeq; WP_056043166.1; NZ_LMLV01000035.1.
DR   AlphaFoldDB; A0A0Q4Q6P5; -.
DR   STRING; 1736234.ASF12_24710; -.
DR   OrthoDB; 9806254at2; -.
DR   UniPathway; UPA00048; UER00072.
DR   Proteomes; UP000051722; 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}; Reference proteome {ECO:0000313|Proteomes:UP000051722}.
FT   DOMAIN          6..353
FT                   /note="Isopropylmalate dehydrogenase-like"
FT                   /evidence="ECO:0000259|SMART:SM01329"
FT   BINDING         78..91
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT   BINDING         98
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT   BINDING         108
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01033"
FT   BINDING         136
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   SITE            143
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;  38691 MW;  04020923CBDEBC4A CRC64;
     MSEVKKIAVV AGDGIGPEVV GEALKVLKKV EELYGYQFET EHGLFGGIAI DQKGTPLPQE
     TLDLCKNADA VLLGAVGGPK WDNNSKELRP ETGLLGIRKA LGLFSNIRPA TVFDCLKEAS
     TLKPEVLEGT DLIVVRELTG GIYFGEKFRR EGAGGEEAVD TCVYNVQEIE RIVRQAFDIA
     MTRSKRLASV DKANVLETSR LWREVVNRIA PEYPEVELEH VLVDNCAMQL LRRPSSFDVI
     VTENMFGDIL SDEAAMLTGS IGMLSSASLG EGSFGLYEPV HGSAPDIAGQ GISNPIATIL
     SVALMFRLTF GYHDAAQAIE DAVKEVLDAG HRTGDIAVDK SKAIGTSAMG DLIIAALKKA
//
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