ILVE_METTH
ID ILVE_METTH Reviewed; 306 AA.
AC O27481;
DT 15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT 15-JUL-1998, sequence version 2.
DT 03-AUG-2022, entry version 127.
DE RecName: Full=Putative branched-chain-amino-acid aminotransferase;
DE Short=BCAT;
DE EC=2.6.1.42;
DE AltName: Full=Transaminase B;
GN Name=ilvE; OrderedLocusNames=MTH_1430;
OS Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM
OS 10044 / NBRC 100330 / Delta H) (Methanobacterium thermoautotrophicum).
OC Archaea; Euryarchaeota; Methanomada group; Methanobacteria;
OC Methanobacteriales; Methanobacteriaceae; Methanothermobacter.
OX NCBI_TaxID=187420;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H;
RX PubMed=9371463; DOI=10.1128/jb.179.22.7135-7155.1997;
RA Smith D.R., Doucette-Stamm L.A., Deloughery C., Lee H.-M., Dubois J.,
RA Aldredge T., Bashirzadeh R., Blakely D., Cook R., Gilbert K., Harrison D.,
RA Hoang L., Keagle P., Lumm W., Pothier B., Qiu D., Spadafora R., Vicare R.,
RA Wang Y., Wierzbowski J., Gibson R., Jiwani N., Caruso A., Bush D.,
RA Safer H., Patwell D., Prabhakar S., McDougall S., Shimer G., Goyal A.,
RA Pietrovski S., Church G.M., Daniels C.J., Mao J.-I., Rice P., Noelling J.,
RA Reeve J.N.;
RT "Complete genome sequence of Methanobacterium thermoautotrophicum deltaH:
RT functional analysis and comparative genomics.";
RL J. Bacteriol. 179:7135-7155(1997).
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}.
CC -!- SEQUENCE CAUTION:
CC Sequence=AAB85907.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; AE000666; AAB85907.1; ALT_INIT; Genomic_DNA.
DR PIR; F69057; F69057.
DR RefSeq; WP_048061049.1; NC_000916.1.
DR AlphaFoldDB; O27481; -.
DR SMR; O27481; -.
DR STRING; 187420.MTH_1430; -.
DR EnsemblBacteria; AAB85907; AAB85907; MTH_1430.
DR GeneID; 1471699; -.
DR KEGG; mth:MTH_1430; -.
DR PATRIC; fig|187420.15.peg.1394; -.
DR HOGENOM; CLU_020844_3_1_2; -.
DR OMA; WRGSEMM; -.
DR BioCyc; MetaCyc:MON-11914; -.
DR UniPathway; UPA00047; UER00058.
DR UniPathway; UPA00048; UER00073.
DR UniPathway; UPA00049; UER00062.
DR Proteomes; UP000005223; 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; 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..306
FT /note="Putative branched-chain-amino-acid aminotransferase"
FT /id="PRO_0000103291"
FT MOD_RES 159
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000255"
SQ SEQUENCE 306 AA; 34205 MW; 725611CAC4796F98 CRC64;
MSCEASGKIW LNGEMVEWEE ATVHVLSHVV HYGSSVFEGI RCYRNSKGSA IFRLREHVKR
LFDSAKIYRM DIPYTQEQIC DAIVETVREN GLEECYIRPV VFRGYGEMGV HPVNCPVDVA
VAAWEWGAYL GAEALEVGVD AGVSTWRRMA PNTMPNMAKA GGNYLNSQLA KMEAVRHGYD
EAIMLDYHGY ISEGSGENIF LVSEGEIYTP PVSSSLLRGI TRDSVIKIAR TEGVTVHEEP
ITREMLYIAD EAFFTGTAAE ITPIRSVDGI EIGAGRRGPV TKLLQDEFFR IIRAETEDSF
GWLTYI
