ID A0A143Q7A8_9NOCA Unreviewed; 468 AA.
AC A0A143Q7A8;
DT 08-JUN-2016, integrated into UniProtKB/TrEMBL.
DT 08-JUN-2016, sequence version 1.
DT 24-JAN-2024, entry version 36.
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:AMY18704.1};
GN ORFNames=A3Q40_01314 {ECO:0000313|EMBL:AMY18704.1};
OS Rhodococcus sp. PBTS 1.
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Nocardiaceae;
OC Rhodococcus.
OX NCBI_TaxID=1653478 {ECO:0000313|EMBL:AMY18704.1, ECO:0000313|Proteomes:UP000076180};
RN [1] {ECO:0000313|EMBL:AMY18704.1, ECO:0000313|Proteomes:UP000076180}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PBTS 1 {ECO:0000313|EMBL:AMY18704.1,
RC ECO:0000313|Proteomes:UP000076180};
RX PubMed=27284129;
RA Stamler R.A., Vereecke D., Zhang Y., Schilkey F., Devitt N., Randall J.J.;
RT "Complete Genome and Plasmid Sequences for Rhodococcus fascians D188 and
RT Draft Sequences for Rhodococcus Isolates PBTS 1 and PBTS 2.";
RL Genome Announc. 4:0-0(2016).
RN [2] {ECO:0000313|Proteomes:UP000076180}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PBTS 1 {ECO:0000313|Proteomes:UP000076180};
RA Stamer R., Vereecke D., Zhang Y., Schilkey F., Devitt N., Randall J.;
RT "Complete Genome and Plasmid Sequences for Rhodococcus fascians D188 and
RT Draft Sequences for Rhodococcus spp. Isolates PBTS 1 and PBTS 2.";
RL Submitted (APR-2016) 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}.
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DR EMBL; CP015219; AMY18704.1; -; Genomic_DNA.
DR RefSeq; WP_068100571.1; NZ_CP015219.1.
DR AlphaFoldDB; A0A143Q7A8; -.
DR STRING; 1653478.A3Q40_01314; -.
DR KEGG; rhu:A3Q40_01314; -.
DR PATRIC; fig|1653478.3.peg.1319; -.
DR UniPathway; UPA00048; UER00071.
DR UniPathway; UPA00946; -.
DR Proteomes; UP000076180; Chromosome.
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: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:UP000076180}.
FT DOMAIN 8..459
FT /note="Aconitase/3-isopropylmalate dehydratase large
FT subunit alpha/beta/alpha"
FT /evidence="ECO:0000259|Pfam:PF00330"
FT REGION 419..447
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 421..437
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 349
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"
FT BINDING 412
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01026"
SQ SEQUENCE 468 AA; 49676 MW; 35B2934CFEC3A15F CRC64;
MAPRTLAEKV WDEHVVVRGE GDQPDLIYID LHLVHEVTSP QAFDGLRLAG RAVRRPDLTI
ATEDHNVPTV DIDQPIADLV SRTQVDTLRR NCEEFGIRLH SMGDLEQGIV HIIGPQLGLT
QPGTTVVCGD SHTSTHGAFG ALAMGIGTSE VEHVLATQTL SLRPFKTMAV TVDGELGDDV
SAKDLILAVI AQIGTGGGQG HVIEYRGSAI EKLSMEARMT ICNMSIEAGA RAGMIAPDDT
TFEYLQGRPH APAGADWDRA VEAWSQLHTD EGATFDKEVR IDASTLTPFV TWGTNPGQGA
PLGASVPDPE RIADDGESQA ARKALDYMGL EAGTPLRDIA VDTVFLGSCT NGRIEDLRVA
ASVLDGRRVA DGVRMLVVPG SMRVRAQAEE EGLGAIFTAA GAEWRQAGCS MCLGMNPDQL
TPGERSASTS NRNFEGRQGK GGRTHLVSPA VAAATAVRGR LSAPADLD
//
