ID V6L6B2_9ACTN Unreviewed; 474 AA.
AC V6L6B2;
DT 19-FEB-2014, integrated into UniProtKB/TrEMBL.
DT 19-FEB-2014, sequence version 1.
DT 24-JAN-2024, entry version 56.
DE RecName: Full=3-isopropylmalate dehydratase large subunit {ECO:0000256|HAMAP-Rule:MF_01026};
DE EC=4.2.1.33 {ECO:0000256|HAMAP-Rule:MF_01026};
DE AltName: Full=Alpha-IPM isomerase {ECO:0000256|HAMAP-Rule:MF_01026};
DE Short=IPMI {ECO:0000256|HAMAP-Rule:MF_01026};
DE AltName: Full=Isopropylmalate isomerase {ECO:0000256|HAMAP-Rule:MF_01026};
GN Name=leuC {ECO:0000256|HAMAP-Rule:MF_01026};
GN ORFNames=N566_03215 {ECO:0000313|EMBL:EST39221.1};
OS Streptomycetaceae bacterium MP113-05.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae.
OX NCBI_TaxID=1380770 {ECO:0000313|EMBL:EST39221.1, ECO:0000313|Proteomes:UP000017915};
RN [1] {ECO:0000313|EMBL:EST39221.1, ECO:0000313|Proteomes:UP000017915}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MP113-05 {ECO:0000313|EMBL:EST39221.1,
RC ECO:0000313|Proteomes:UP000017915};
RA Valde M., Degnes K.F., Sletta H., Ruckert C., Kalinowski J., Zotchev S.B.;
RT "Streptomyces bacterium from a marine sponge: physiological
RT characterization and genome-based analysis of secondary metabolite
RT biosynthesis potential.";
RL Submitted (SEP-2013) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC isopropylmalate, via the formation of 2-isopropylmaleate.
CC {ECO:0000256|ARBA:ARBA00002695, ECO:0000256|HAMAP-Rule:MF_01026}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2R,3S)-3-isopropylmalate = (2S)-2-isopropylmalate;
CC Xref=Rhea:RHEA:32287, ChEBI:CHEBI:1178, ChEBI:CHEBI:35121;
CC EC=4.2.1.33; Evidence={ECO:0000256|ARBA:ARBA00000491,
CC ECO:0000256|HAMAP-Rule:MF_01026};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2S,3R)-3-hydroxybutane-1,2,3-tricarboxylate = 2-methyl-cis-
CC aconitate + H2O; Xref=Rhea:RHEA:17941, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:57429, ChEBI:CHEBI:57872; EC=4.2.1.99;
CC Evidence={ECO:0000256|ARBA:ARBA00000118};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01026};
CC Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_01026};
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 2/4. {ECO:0000256|ARBA:ARBA00004729,
CC ECO:0000256|HAMAP-Rule:MF_01026}.
CC -!- PATHWAY: Organic acid metabolism; propanoate degradation.
CC {ECO:0000256|ARBA:ARBA00005026}.
CC -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000256|HAMAP-
CC Rule:MF_01026}.
CC -!- SIMILARITY: Belongs to the aconitase/IPM isomerase family. LeuC type 1
CC subfamily. {ECO:0000256|HAMAP-Rule:MF_01026}.
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:EST39221.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AWQV01000108; EST39221.1; -; Genomic_DNA.
DR AlphaFoldDB; V6L6B2; -.
DR STRING; 1380770.N566_03215; -.
DR PATRIC; fig|1380770.3.peg.542; -.
DR HOGENOM; CLU_006714_3_4_11; -.
DR OrthoDB; 9802769at2; -.
DR UniPathway; UPA00048; UER00071.
DR UniPathway; UPA00946; -.
DR Proteomes; UP000017915; Unassembled WGS sequence.
DR GO; GO:0047456; F:2-methylisocitrate dehydratase activity; IEA:UniProtKB-EC.
DR GO; GO:0003861; F:3-isopropylmalate dehydratase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0016853; F:isomerase activity; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd01583; IPMI; 1.
DR Gene3D; 3.30.499.10; Aconitase, domain 3; 2.
DR HAMAP; MF_01026; LeuC_type1; 1.
DR InterPro; IPR004430; 3-IsopropMal_deHydase_lsu.
DR InterPro; IPR015931; Acnase/IPM_dHydase_lsu_aba_1/3.
DR InterPro; IPR001030; Acoase/IPM_deHydtase_lsu_aba.
DR InterPro; IPR018136; Aconitase_4Fe-4S_BS.
DR InterPro; IPR036008; Aconitase_4Fe-4S_dom.
DR InterPro; IPR033941; IPMI_cat.
DR NCBIfam; TIGR00170; leuC; 1.
DR PANTHER; PTHR43822:SF9; 3-ISOPROPYLMALATE DEHYDRATASE; 1.
DR PANTHER; PTHR43822; HOMOACONITASE, MITOCHONDRIAL-RELATED; 1.
DR Pfam; PF00330; Aconitase; 1.
DR PRINTS; PR00415; ACONITASE.
DR SUPFAM; SSF53732; Aconitase iron-sulfur domain; 1.
DR PROSITE; PS00450; ACONITASE_1; 1.
DR PROSITE; PS01244; ACONITASE_2; 1.
PE 3: Inferred from homology;
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|HAMAP-Rule:MF_01026};
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_01026};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|HAMAP-Rule:MF_01026};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_01026};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW Rule:MF_01026}; Isomerase {ECO:0000313|EMBL:EST39221.1};
KW Leucine biosynthesis {ECO:0000256|ARBA:ARBA00022430, ECO:0000256|HAMAP-
KW Rule:MF_01026};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01026};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01026}; Reference proteome {ECO:0000313|Proteomes:UP000017915}.
FT DOMAIN 7..457
FT /note="Aconitase/3-isopropylmalate dehydratase large
FT subunit alpha/beta/alpha"
FT /evidence="ECO:0000259|Pfam:PF00330"
FT REGION 418..444
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 421..435
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 347
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01026"
FT BINDING 407
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01026"
FT BINDING 410
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01026"
SQ SEQUENCE 474 AA; 50422 MW; FE5013703EA1EF0C CRC64;
MARTLAEKVW DDHVVRRAEG EPDLLFIDLH LLHEVTSPQA FDGLRKNGRR VRRTDLTLAT
EDHNTPTTDI DKPIADPVSR TQLETLRKNC ADFGVRLHPL GDVEQGVVHV VGPQLGLTQP
GTTVVCGDSH TSTHGAFGAL AFGIGTSQVE HVLATQTLPL APFRTMAVTV EGELPEDVTA
KDLILAVIAR IGTGGGQGYV IEYRGAAVEK LSMEARMTIC NMSIEAGARA GMIAPDETTF
TYLEGRDHAP DGADWDAAVE YWKTLRTDDE AVFDHEVVID AAELAPFVTW GTNPGQGAPL
GQAVPDPSSF ADAGSRYAAE KALEYMGLTA GQPLREIPVD TVFVGSCTNG RIEDLRAAAS
VLAGREVAEG VRMLVVPGSV RVSLQAVEEG LDRVFTAAGA EWRHAGCSMC LGMNPDQLKP
GERAASTSNR NFEGRQGKGG RTHLVSPQVA AATAVLGRLA SPADLADVPT LVEA
//
