ID A0A0S4LDL0_9BACT Unreviewed; 304 AA.
AC A0A0S4LDL0;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 27-MAR-2024, entry version 33.
DE RecName: Full=Branched-chain-amino-acid aminotransferase {ECO:0000256|RuleBase:RU364094};
DE Short=BCAT {ECO:0000256|RuleBase:RU364094};
DE EC=2.6.1.42 {ECO:0000256|RuleBase:RU364094};
GN Name=ilvE {ECO:0000256|RuleBase:RU364094,
GN ECO:0000313|EMBL:CUS33202.1};
GN ORFNames=COMA2_120120 {ECO:0000313|EMBL:CUS33202.1};
OS Candidatus Nitrospira nitrificans.
OC Bacteria; Nitrospirota; Nitrospiria; Nitrospirales; Nitrospiraceae;
OC Nitrospira.
OX NCBI_TaxID=1742973 {ECO:0000313|EMBL:CUS33202.1, ECO:0000313|Proteomes:UP000198736};
RN [1] {ECO:0000313|Proteomes:UP000198736}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Luecker S., Luecker S.;
RL Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Acts on leucine, isoleucine and valine.
CC {ECO:0000256|ARBA:ARBA00003109, ECO:0000256|RuleBase:RU364094}.
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 Evidence={ECO:0000256|ARBA:ARBA00000627,
CC ECO:0000256|RuleBase:RU364094};
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 Evidence={ECO:0000256|ARBA:ARBA00000995,
CC ECO:0000256|RuleBase:RU364094};
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 Evidence={ECO:0000256|ARBA:ARBA00001745,
CC ECO:0000256|RuleBase:RU364094};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|RuleBase:RU004516};
CC -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC isoleucine from 2-oxobutanoate: step 4/4.
CC {ECO:0000256|ARBA:ARBA00004824, ECO:0000256|RuleBase:RU364094}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 4/4. {ECO:0000256|ARBA:ARBA00005072,
CC ECO:0000256|RuleBase:RU364094}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine from
CC pyruvate: step 4/4. {ECO:0000256|ARBA:ARBA00004931,
CC ECO:0000256|RuleBase:RU364094}.
CC -!- SIMILARITY: Belongs to the class-IV pyridoxal-phosphate-dependent
CC aminotransferase family. {ECO:0000256|ARBA:ARBA00009320,
CC ECO:0000256|RuleBase:RU004106}.
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DR EMBL; CZPZ01000004; CUS33202.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0S4LDL0; -.
DR STRING; 1742973.COMA2_120120; -.
DR OrthoDB; 9804984at2; -.
DR UniPathway; UPA00047; UER00058.
DR UniPathway; UPA00048; UER00073.
DR UniPathway; UPA00049; UER00062.
DR Proteomes; UP000198736; Unassembled WGS sequence.
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; 3.30.470.10; -; 1.
DR Gene3D; 3.20.10.10; D-amino Acid Aminotransferase, subunit A, domain 2; 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 NCBIfam; TIGR01122; ilvE_I; 1.
DR PANTHER; PTHR42743; AMINO-ACID AMINOTRANSFERASE; 1.
DR PANTHER; PTHR42743:SF20; BRANCHED-CHAIN-AMINO-ACID AMINOTRANSFERASE-LIKE PROTEIN 2; 1.
DR Pfam; PF01063; Aminotran_4; 1.
DR SUPFAM; SSF56752; D-aminoacid aminotransferase-like PLP-dependent enzymes; 1.
DR PROSITE; PS00770; AA_TRANSFER_CLASS_4; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605,
KW ECO:0000256|RuleBase:RU364094};
KW Aminotransferase {ECO:0000256|ARBA:ARBA00022576,
KW ECO:0000256|RuleBase:RU364094};
KW Branched-chain amino acid biosynthesis {ECO:0000256|RuleBase:RU364094};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|RuleBase:RU004516};
KW Reference proteome {ECO:0000313|Proteomes:UP000198736};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU364094}.
SQ SEQUENCE 304 AA; 33914 MW; 7A8C2A17E58CFD66 CRC64;
MLEPVDKIWM DGKFVGWGEA NVHILTHSLH YGLAAFEGIR CYKGKSGSAI FRLQEHVDRL
FDSAHIGMMA MPYDKKQITD AIIETVRVNR LEACYIRPLV YIGYGAMGVH PGDNPIRVGI
AAWRWGAYLG DDALANGMRA CISSFTRHHV NVSMTRGKIS GYYVNSIMAK RQAKADGYDE
AILLDPEGYV AEGTGENVFI VRRGVLKTTP LTSVLEGITR NSVIQLAQER NITVVEERFT
RDEMYIADEV FVTGTAAELT PVREIDNRRI GAGTPGPMTR ALQDTFFSIV RGEDLAHESW
LTRI
//
