ID   ILVE_STAAR              Reviewed;         358 AA.
AC   Q6GJB4;
DT   01-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 91.
DE   RecName: Full=Probable branched-chain-amino-acid aminotransferase;
DE            Short=BCAT;
DE            EC=2.6.1.42;
GN   Name=ilvE; OrderedLocusNames=SAR0559;
OS   Staphylococcus aureus (strain MRSA252).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=282458;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MRSA252;
RX   PubMed=15213324; DOI=10.1073/pnas.0402521101;
RA   Holden M.T.G., Feil E.J., Lindsay J.A., Peacock S.J., Day N.P.J.,
RA   Enright M.C., Foster T.J., Moore C.E., Hurst L., Atkin R., Barron A.,
RA   Bason N., Bentley S.D., Chillingworth C., Chillingworth T., Churcher C.,
RA   Clark L., Corton C., Cronin A., Doggett J., Dowd L., Feltwell T., Hance Z.,
RA   Harris B., Hauser H., Holroyd S., Jagels K., James K.D., Lennard N.,
RA   Line A., Mayes R., Moule S., Mungall K., Ormond D., Quail M.A.,
RA   Rabbinowitsch E., Rutherford K.M., Sanders M., Sharp S., Simmonds M.,
RA   Stevens K., Whitehead S., Barrell B.G., Spratt B.G., Parkhill J.;
RT   "Complete genomes of two clinical Staphylococcus aureus strains: evidence
RT   for the rapid evolution of virulence and drug resistance.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:9786-9791(2004).
CC   -!- FUNCTION: Acts on leucine, isoleucine and valine. {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   -!- SIMILARITY: Belongs to the class-IV pyridoxal-phosphate-dependent
CC       aminotransferase family. {ECO:0000305}.
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DR   EMBL; BX571856; CAG39580.1; -; Genomic_DNA.
DR   RefSeq; WP_000076025.1; NC_002952.2.
DR   AlphaFoldDB; Q6GJB4; -.
DR   SMR; Q6GJB4; -.
DR   KEGG; sar:SAR0559; -.
DR   HOGENOM; CLU_031922_0_2_9; -.
DR   OMA; PVGSYYK; -.
DR   OrthoDB; 1275805at2; -.
DR   UniPathway; UPA00047; UER00058.
DR   UniPathway; UPA00048; UER00073.
DR   UniPathway; UPA00049; UER00062.
DR   Proteomes; UP000000596; 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..358
FT                   /note="Probable branched-chain-amino-acid aminotransferase"
FT                   /id="PRO_0000103280"
FT   MOD_RES         196
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   358 AA;  40030 MW;  C1E585A67BFB5346 CRC64;
     MSQAVKIELR ETLKEKPDTS QLGFGKYFTD YMLSYDYDAD KGWHDLKIVP YGPIEISPAA
     QGVHYGQSVF EGLKAYKKDG EVALFRPDEN FKRLNNSLAR LEMPQVNEGE LLEGLKQLVD
     LEREWVPEGE GQSLYIRPFV FATEGVLGVG ASHQYKLLII LSPSGAYYGG ETLKPTKIYV
     EDEYVRAVRG GVGFAKVAGN YAASLLAQTN ANKLGYDQVL WLDGVEQKYI EEVGSMNIFF
     VENGKVITPE LNGSILPGIT RKSIIELAKN LGYEVEERRV SIDELFESYD KGELTEVFGS
     GTAAVISPVG TLRYEDREIV INNNETGEIT QKLYDVYTGI QNGTLEDKNG WRVVVPKY