ID   ILVE_AQUAE              Reviewed;         311 AA.
AC   O67733;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1998, sequence version 1.
DT   03-AUG-2022, entry version 125.
DE   RecName: Full=Probable branched-chain-amino-acid aminotransferase;
DE            Short=BCAT;
DE            EC=2.6.1.42;
GN   Name=ilvE; OrderedLocusNames=aq_1893;
OS   Aquifex aeolicus (strain VF5).
OC   Bacteria; Aquificae; Aquificales; Aquificaceae; Aquifex.
OX   NCBI_TaxID=224324;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=VF5;
RX   PubMed=9537320; DOI=10.1038/32831;
RA   Deckert G., Warren P.V., Gaasterland T., Young W.G., Lenox A.L.,
RA   Graham D.E., Overbeek R., Snead M.A., Keller M., Aujay M., Huber R.,
RA   Feldman R.A., Short J.M., Olsen G.J., Swanson R.V.;
RT   "The complete genome of the hyperthermophilic bacterium Aquifex aeolicus.";
RL   Nature 392:353-358(1998).
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   -!- 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; AE000657; AAC07697.1; -; Genomic_DNA.
DR   PIR; C70463; C70463.
DR   RefSeq; NP_214301.1; NC_000918.1.
DR   AlphaFoldDB; O67733; -.
DR   SMR; O67733; -.
DR   STRING; 224324.aq_1893; -.
DR   EnsemblBacteria; AAC07697; AAC07697; aq_1893.
DR   KEGG; aae:aq_1893; -.
DR   PATRIC; fig|224324.8.peg.1467; -.
DR   eggNOG; COG0115; Bacteria.
DR   HOGENOM; CLU_020844_3_1_0; -.
DR   InParanoid; O67733; -.
DR   OMA; WRGSEMM; -.
DR   OrthoDB; 1275805at2; -.
DR   UniPathway; UPA00047; UER00058.
DR   UniPathway; UPA00048; UER00073.
DR   UniPathway; UPA00049; UER00062.
DR   Proteomes; UP000000798; 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:0019752; P:carboxylic acid metabolic process; IBA:GO_Central.
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; IPR005785; B_amino_transI.
DR   InterPro; IPR043132; BCAT-like_C.
DR   InterPro; IPR043131; BCAT-like_N.
DR   InterPro; IPR033939; BCAT_family.
DR   Pfam; PF01063; Aminotran_4; 1.
DR   SUPFAM; SSF56752; SSF56752; 1.
DR   TIGRFAMs; TIGR01122; ilvE_I; 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;
KW   Reference proteome; Transferase.
FT   CHAIN           1..311
FT                   /note="Probable branched-chain-amino-acid aminotransferase"
FT                   /id="PRO_0000103271"
FT   MOD_RES         160
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   311 AA;  35763 MW;  0C02F2520947D647 CRC64;
     MLKSFSMDFA FFEGKIVPVE EAKISIMTNS FHYGTAIFEG IRAYWNEEEE QLYILFAKEH
     YERLLTNARC LFMELNYSAE ELVEITKEIL RKSEIREDVY IRPIAYFKDL KLTPKLIDYT
     PEIAIYLYRF GRYLDTSKGI RAKVSSWRRN DDNSIPSRWK VAGAYVNSAL AKTEALMSGY
     DEAILLNSQG YVAEGSGENI FIIKNGKAIT PSPNEHILEG ITRNAVITLL KKELVVEVEE
     RPIARSELYT ADEVFLTGTA AEVTPVVEID NRKIGNGEIG PITKQLQEFY FNAVRGKIQR
     YKKWLTPVYD K