LEUC_GLOVI
ID LEUC_GLOVI Reviewed; 473 AA.
AC Q7NFV7;
DT 15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT 15-DEC-2003, sequence version 1.
DT 03-AUG-2022, entry version 115.
DE RecName: Full=3-isopropylmalate dehydratase large subunit {ECO:0000255|HAMAP-Rule:MF_01026};
DE EC=4.2.1.33 {ECO:0000255|HAMAP-Rule:MF_01026};
DE AltName: Full=Alpha-IPM isomerase {ECO:0000255|HAMAP-Rule:MF_01026};
DE Short=IPMI {ECO:0000255|HAMAP-Rule:MF_01026};
DE AltName: Full=Isopropylmalate isomerase {ECO:0000255|HAMAP-Rule:MF_01026};
GN Name=leuC {ECO:0000255|HAMAP-Rule:MF_01026}; OrderedLocusNames=glr3417;
OS Gloeobacter violaceus (strain ATCC 29082 / PCC 7421).
OC Bacteria; Cyanobacteria; Gloeobacteria; Gloeobacterales; Gloeobacteraceae;
OC Gloeobacter.
OX NCBI_TaxID=251221;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 29082 / PCC 7421;
RX PubMed=14621292; DOI=10.1093/dnares/10.4.137;
RA Nakamura Y., Kaneko T., Sato S., Mimuro M., Miyashita H., Tsuchiya T.,
RA Sasamoto S., Watanabe A., Kawashima K., Kishida Y., Kiyokawa C., Kohara M.,
RA Matsumoto M., Matsuno A., Nakazaki N., Shimpo S., Takeuchi C., Yamada M.,
RA Tabata S.;
RT "Complete genome structure of Gloeobacter violaceus PCC 7421, a
RT cyanobacterium that lacks thylakoids.";
RL DNA Res. 10:137-145(2003).
CC -!- FUNCTION: Catalyzes the isomerization between 2-isopropylmalate and 3-
CC isopropylmalate, via the formation of 2-isopropylmaleate.
CC {ECO:0000255|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:0000255|HAMAP-Rule:MF_01026};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01026};
CC Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000255|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:0000255|HAMAP-
CC Rule:MF_01026}.
CC -!- SUBUNIT: Heterodimer of LeuC and LeuD. {ECO:0000255|HAMAP-
CC Rule:MF_01026}.
CC -!- SIMILARITY: Belongs to the aconitase/IPM isomerase family. LeuC type 1
CC subfamily. {ECO:0000255|HAMAP-Rule:MF_01026}.
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DR EMBL; BA000045; BAC91358.1; -; Genomic_DNA.
DR RefSeq; NP_926363.1; NC_005125.1.
DR RefSeq; WP_011143406.1; NC_005125.1.
DR AlphaFoldDB; Q7NFV7; -.
DR SMR; Q7NFV7; -.
DR STRING; 251221.35213989; -.
DR EnsemblBacteria; BAC91358; BAC91358; BAC91358.
DR KEGG; gvi:glr3417; -.
DR PATRIC; fig|251221.4.peg.3451; -.
DR eggNOG; COG0065; Bacteria.
DR HOGENOM; CLU_006714_3_4_3; -.
DR InParanoid; Q7NFV7; -.
DR OMA; CNMSIEM; -.
DR OrthoDB; 749418at2; -.
DR PhylomeDB; Q7NFV7; -.
DR UniPathway; UPA00048; UER00071.
DR Proteomes; UP000000557; Chromosome.
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; -; 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 Pfam; PF00330; Aconitase; 1.
DR PRINTS; PR00415; ACONITASE.
DR SUPFAM; SSF53732; SSF53732; 1.
DR TIGRFAMs; TIGR00170; leuC; 1.
DR PROSITE; PS00450; ACONITASE_1; 1.
DR PROSITE; PS01244; ACONITASE_2; 1.
PE 3: Inferred from homology;
KW 4Fe-4S; Amino-acid biosynthesis; Branched-chain amino acid biosynthesis;
KW Iron; Iron-sulfur; Leucine biosynthesis; Lyase; Metal-binding;
KW Reference proteome.
FT CHAIN 1..473
FT /note="3-isopropylmalate dehydratase large subunit"
FT /id="PRO_0000076749"
FT BINDING 349
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT BINDING 409
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
FT BINDING 412
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01026"
SQ SEQUENCE 473 AA; 51116 MW; BDE9EA8FAEB4C093 CRC64;
MAVSRATLFD KVWDLHTVGT LASGQTQLFI GLHLIHEVTS PQAFAMLRER GLGVLYAERT
VATVDHIVPT QSQQRPFADT LAEQMIRALE DNCAEFGIRF YNIGSGSQGI VHVIAPEQGF
TQPGMTIACG DSHTATHGAF GAIAFGIGTS QVRDVLATQT LALDKLKVRR IEMNGSLHPG
VFAKDVILHI IRKLGVKAGV GYAYEFAGTT FEAMNMEERM TVCNMAIEGG ARCGYINPDA
VTYAYLKGRD FAPQGADWER AVAWWENLRS DPDAQYDDTI HFDAAEIAPT VTWGITPGQG
IAVDEIVPRP EELPGEDRPL AEEAYRYMDL APGVPIVGTK VDVCFIGSCT NGRLSDLREA
ANLARGRHVA PGVKAFVVPG SERVKRQAEA EGLHEVFLEA GFEWREPGCS MCLAMNPDRL
EGRQLSASSS NRNFKGRQGS ASGRTLLMSP AMVVAAAVSG AVADVRALLE PTP