ID A0A0B5DN45_9ACTN Unreviewed; 474 AA.
AC A0A0B5DN45;
DT 01-APR-2015, integrated into UniProtKB/TrEMBL.
DT 01-APR-2015, sequence version 1.
DT 27-MAR-2024, entry version 48.
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:QEV41192.1};
GN ORFNames=BJY54_004633 {ECO:0000313|EMBL:MBB4794021.1}, CP978_23920
GN {ECO:0000313|EMBL:QEV41192.1}, SNOD_23605
GN {ECO:0000313|EMBL:AJE42690.1};
OS Streptomyces nodosus.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=40318 {ECO:0000313|EMBL:AJE42690.1, ECO:0000313|Proteomes:UP000031526};
RN [1] {ECO:0000313|Proteomes:UP000031526}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 14899 {ECO:0000313|Proteomes:UP000031526};
RA Sweeney P., Stephens N., Murphy C., Caffrey P.;
RT "Sequence of the Streptomyces nodosus genome.";
RL Submitted (SEP-2014) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:AJE42690.1, ECO:0000313|Proteomes:UP000031526}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 14899 {ECO:0000313|EMBL:AJE42690.1,
RC ECO:0000313|Proteomes:UP000031526};
RX PubMed=26497174;
RA Sweeney P., Murphy C.D., Caffrey P.;
RT "Exploiting the genome sequence of Streptomyces nodosus for enhanced
RT antibiotic production.";
RL Appl. Microbiol. Biotechnol. 100:1285-1295(2016).
RN [3] {ECO:0000313|EMBL:QEV41192.1, ECO:0000313|Proteomes:UP000325763}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 14899 {ECO:0000313|EMBL:QEV41192.1,
RC ECO:0000313|Proteomes:UP000325763};
RA Lee N., Cho B.-K.;
RT "Streptomyces genome completion.";
RL Submitted (SEP-2017) to the EMBL/GenBank/DDBJ databases.
RN [4] {ECO:0000313|EMBL:MBB4794021.1, ECO:0000313|Proteomes:UP000544950}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 40109 {ECO:0000313|EMBL:MBB4794021.1,
RC ECO:0000313|Proteomes:UP000544950};
RA Klenk H.-P.;
RT "Sequencing the genomes of 1000 actinobacteria strains.";
RL Submitted (AUG-2020) 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; CP009313; AJE42690.1; -; Genomic_DNA.
DR EMBL; JACHMR010000001; MBB4794021.1; -; Genomic_DNA.
DR EMBL; CP023747; QEV41192.1; -; Genomic_DNA.
DR RefSeq; WP_043444135.1; NZ_JACHMR010000001.1.
DR STRING; 40318.SNOD_23605; -.
DR KEGG; snq:CP978_23920; -.
DR HOGENOM; CLU_006714_3_4_11; -.
DR OrthoDB; 9802769at2; -.
DR UniPathway; UPA00048; UER00071.
DR UniPathway; UPA00946; -.
DR Proteomes; UP000031526; Chromosome.
DR Proteomes; UP000325763; Chromosome.
DR Proteomes; UP000544950; 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:AJE42690.1};
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:UP000031526}.
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..442
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 420..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; 50102 MW; AC9C6C9F79355531 CRC64;
MGRTLAEKVW DDHVVRRAEG EPDLLYIDLH LLHEVTSPQA FDGLRKSGRR VRRLDLTIAT
EDHNTPTLDI DKPIADPVSR AQLETLRKNC AEFGVRLHPL GDVEQGVVHV VGPQLGLTQP
GTTVVCGDSH TSTHGAFGAL AFGIGTSQVE HVLATQTLPM ARPRTMAITI DGELPEGVTA
KDLILAIIAR IGTGGGQGYV LEYRGSAIEK LSMEARMTIC NMSIEAGARA GMIAPDETTF
AYLKGRPHAP EGADWDAAVE YWKTLRTDDD AAFDAEVVID AAELSPFVTW GTNPGQGAPL
SASVPDPASY EDASERLSAE KALEYMGLAA GQPLNSITVD TVFVGSCTNG RIEDLRAAAG
ILKDRKVADG VRMLVVPGSA RVGLQAVSEG LDVVFKEAGA EWRHAGCSMC LGMNPDQLAP
GERSASTSNR NFEGRQGKGG RTHLVSPQVA AATAVLGHLA SPADLSDAPA PAGV
//
