ILVE_MYCTO
ID ILVE_MYCTO Reviewed; 368 AA.
AC P9WQ74; L0TBM2; Q10399;
DT 16-APR-2014, integrated into UniProtKB/Swiss-Prot.
DT 16-APR-2014, sequence version 1.
DT 03-AUG-2022, entry version 39.
DE RecName: Full=Branched-chain-amino-acid aminotransferase;
DE Short=BCAT;
DE EC=2.6.1.42;
GN Name=ilvE; OrderedLocusNames=MT2266;
OS Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh).
OC Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC Mycobacterium; Mycobacterium tuberculosis complex.
OX NCBI_TaxID=83331;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CDC 1551 / Oshkosh;
RX PubMed=12218036; DOI=10.1128/jb.184.19.5479-5490.2002;
RA Fleischmann R.D., Alland D., Eisen J.A., Carpenter L., White O.,
RA Peterson J.D., DeBoy R.T., Dodson R.J., Gwinn M.L., Haft D.H., Hickey E.K.,
RA Kolonay J.F., Nelson W.C., Umayam L.A., Ermolaeva M.D., Salzberg S.L.,
RA Delcher A., Utterback T.R., Weidman J.F., Khouri H.M., Gill J., Mikula A.,
RA Bishai W., Jacobs W.R. Jr., Venter J.C., Fraser C.M.;
RT "Whole-genome comparison of Mycobacterium tuberculosis clinical and
RT laboratory strains.";
RL J. Bacteriol. 184:5479-5490(2002).
CC -!- FUNCTION: Catalyzes the reversible transfers of an amino group from
CC glutamate to the alpha-ketoacid of the respective amino acid in the
CC final step in the biosynthesis of branchedchain amino acids.
CC {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-oxoglutarate + L-leucine = 4-methyl-2-oxopentanoate + L-
CC glutamate; Xref=Rhea:RHEA:18321, ChEBI:CHEBI:16810,
CC ChEBI:CHEBI:17865, ChEBI:CHEBI:29985, ChEBI:CHEBI:57427; EC=2.6.1.42;
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-oxoglutarate + L-isoleucine = (S)-3-methyl-2-oxopentanoate +
CC L-glutamate; Xref=Rhea:RHEA:24801, ChEBI:CHEBI:16810,
CC ChEBI:CHEBI:29985, ChEBI:CHEBI:35146, ChEBI:CHEBI:58045; EC=2.6.1.42;
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-oxoglutarate + L-valine = 3-methyl-2-oxobutanoate + L-
CC glutamate; Xref=Rhea:RHEA:24813, ChEBI:CHEBI:11851,
CC ChEBI:CHEBI:16810, ChEBI:CHEBI:29985, ChEBI:CHEBI:57762; EC=2.6.1.42;
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000250};
CC -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC isoleucine from 2-oxobutanoate: step 4/4.
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 4/4.
CC -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine from
CC pyruvate: step 4/4.
CC -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the class-IV pyridoxal-phosphate-dependent
CC aminotransferase family. {ECO:0000305}.
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DR EMBL; AE000516; AAK46552.1; -; Genomic_DNA.
DR PIR; C70786; C70786.
DR RefSeq; WP_003411438.1; NZ_KK341227.1.
DR AlphaFoldDB; P9WQ74; -.
DR SMR; P9WQ74; -.
DR EnsemblBacteria; AAK46552; AAK46552; MT2266.
DR GeneID; 45426186; -.
DR KEGG; mtc:MT2266; -.
DR PATRIC; fig|83331.31.peg.2441; -.
DR HOGENOM; CLU_031922_0_2_11; -.
DR UniPathway; UPA00047; UER00058.
DR UniPathway; UPA00048; UER00073.
DR UniPathway; UPA00049; UER00062.
DR Proteomes; UP000001020; Chromosome.
DR GO; GO:0052656; F:L-isoleucine transaminase activity; IEA:UniProtKB-EC.
DR GO; GO:0052654; F:L-leucine transaminase activity; IEA:UniProtKB-EC.
DR GO; GO:0050048; F:L-leucine:2-oxoglutarate aminotransferase activity; IEA:RHEA.
DR GO; GO:0052655; F:L-valine transaminase activity; IEA:UniProtKB-EC.
DR GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0009099; P:valine biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd01557; BCAT_beta_family; 1.
DR Gene3D; 3.20.10.10; -; 1.
DR Gene3D; 3.30.470.10; -; 1.
DR InterPro; IPR001544; Aminotrans_IV.
DR InterPro; IPR018300; Aminotrans_IV_CS.
DR InterPro; IPR036038; Aminotransferase-like.
DR InterPro; IPR005786; B_amino_transII.
DR InterPro; IPR043132; BCAT-like_C.
DR InterPro; IPR043131; BCAT-like_N.
DR InterPro; IPR033939; BCAT_family.
DR PANTHER; PTHR11825; PTHR11825; 1.
DR Pfam; PF01063; Aminotran_4; 1.
DR PIRSF; PIRSF006468; BCAT1; 1.
DR SUPFAM; SSF56752; SSF56752; 1.
DR TIGRFAMs; TIGR01123; ilvE_II; 1.
DR PROSITE; PS00770; AA_TRANSFER_CLASS_4; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; Aminotransferase;
KW Branched-chain amino acid biosynthesis; Pyridoxal phosphate; Transferase.
FT CHAIN 1..368
FT /note="Branched-chain-amino-acid aminotransferase"
FT /id="PRO_0000426825"
FT BINDING 101
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000250"
FT BINDING 209
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000250"
FT BINDING 271..272
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000250"
FT BINDING 314
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000250"
FT MOD_RES 204
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000250"
SQ SEQUENCE 368 AA; 39666 MW; 3B16D3F81E234F4F CRC64;
MTSGSLQFTV LRAVNPATDA QRESMLREPG FGKYHTDHMV SIDYAEGRGW HNARVIPYGP
IELDPSAIVL HYAQEVFEGL KAYRWADGSI VSFRADANAA RLRSSARRLA IPELPDAVFI
ESLRQLIAVD KAWVPGAGGE EALYLRPFIF ATEPGLGVRP ATQYRYLLIA SPAGAYFKGG
IAPVSVWVST EYVRACPGGT GAAKFGGNYA ASLLAQAEAA ENGCDQVVWL DAVERRYIEE
MGGMNIFFVL GSGGSARLVT PELSGSLLPG ITRDSLLQLA IDAGFAVEER RIDIDEWQKK
AAAGEITEVF ACGTAAVITP VARVRHGASE FRIADGQPGE VTMALRDTLT GIQRGTFADT
HGWMARLG
