ID T0Z640_9BACT Unreviewed; 467 AA.
AC T0Z640;
DT 16-OCT-2013, integrated into UniProtKB/TrEMBL.
DT 16-OCT-2013, sequence version 1.
DT 13-SEP-2023, entry version 51.
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 ECO:0000313|EMBL:EQD25230.1};
GN ORFNames=D084_Lepto4C00213G0003 {ECO:0000313|EMBL:EQD25230.1};
OS Leptospirillum sp. Group IV 'UBA BS'.
OC Bacteria; Nitrospirota; Nitrospiria; Nitrospirales; Nitrospiraceae;
OC Leptospirillum.
OX NCBI_TaxID=1260983 {ECO:0000313|EMBL:EQD25230.1, ECO:0000313|Proteomes:UP000017751};
RN [1] {ECO:0000313|EMBL:EQD25230.1, ECO:0000313|Proteomes:UP000017751}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=23645189; DOI=10.1128/AEM.00202-13;
RA Goltsman D.S., Dasari M., Thomas B.C., Shah M.B., VerBerkmoes N.C.,
RA Hettich R.L., Banfield J.F.;
RT "New group in the Leptospirillum clade: cultivation-independent community
RT genomics, proteomics, and transcriptomics of the new species
RT "Leptospirillum group IV UBA BS".";
RL Appl. Environ. Microbiol. 79:5384-5393(2013).
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 -!- 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 -!- 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:EQD25230.1}.
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DR EMBL; AURA01000213; EQD25230.1; -; Genomic_DNA.
DR AlphaFoldDB; T0Z640; -.
DR PATRIC; fig|1260983.3.peg.480; -.
DR HOGENOM; CLU_006714_3_4_0; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000017751; Unassembled WGS sequence.
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: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};
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:UP000017751}.
FT DOMAIN 7..456
FT /note="Aconitase/3-isopropylmalate dehydratase large
FT subunit alpha/beta/alpha"
FT /evidence="ECO:0000259|Pfam:PF00330"
FT BINDING 346
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01026"
FT BINDING 406
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01026"
FT BINDING 409
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01026"
SQ SEQUENCE 467 AA; 50093 MW; 76E7EC603986A369 CRC64;
MPKTIIEKIW DNHVVSEDQG TVLLYIDRQL VHEVTSPQAF EGLRMAGRKV RRPDLTFAVP
DHNVPTTDRS HGITDPVSAL QVDTLEKNAR DFGVTYFSMN DPRQGIVHVI APEQGITLPG
LTIVCGDSHT ATHGALGALP FGIGTSEVEH VLATQTLTQS RPRTMEIRIE GTPAPGVTPK
DLILAVIGKI GTAGGTGHVL EFTGAAVRAL SMEGRMTLCN MAIEAGARAG LVAPDEVTFA
YLKGRPYAPK GELWDRAVAA WKELATDPGA IYDRTVTLDA SLLAPQVTWG TNPGQVTGVD
GRVPDPEHFS DPVERESAKK ALAYMGLIPG TPVTEIPVTR IFIGSCTNGR IEDLRAAAAI
VKGKKVAKGV TAMVVPGSGL VRQQAERENL HKIFLEAGLE WREPGCSMCL GMNPDQLAPY
ERCASTSNRN FEGRQGKNGR THLVSPEMAA AAAIAGHFVD IRTLSRS
//
