ID H1S976_9BURK Unreviewed; 400 AA.
AC H1S976;
DT 21-MAR-2012, integrated into UniProtKB/TrEMBL.
DT 21-MAR-2012, sequence version 1.
DT 24-JAN-2024, entry version 48.
DE RecName: Full=2-amino-3-ketobutyrate coenzyme A ligase {ECO:0000256|HAMAP-Rule:MF_00985};
DE Short=AKB ligase {ECO:0000256|HAMAP-Rule:MF_00985};
DE EC=2.3.1.29 {ECO:0000256|HAMAP-Rule:MF_00985};
DE AltName: Full=Glycine acetyltransferase {ECO:0000256|HAMAP-Rule:MF_00985};
GN Name=kbl {ECO:0000256|HAMAP-Rule:MF_00985};
GN ORFNames=OR16_22843 {ECO:0000313|EMBL:EHP40926.1};
OS Cupriavidus basilensis OR16.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Cupriavidus.
OX NCBI_TaxID=1127483 {ECO:0000313|EMBL:EHP40926.1, ECO:0000313|Proteomes:UP000005808};
RN [1] {ECO:0000313|EMBL:EHP40926.1, ECO:0000313|Proteomes:UP000005808}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=OR16 {ECO:0000313|EMBL:EHP40926.1,
RC ECO:0000313|Proteomes:UP000005808};
RX PubMed=22461549; DOI=10.1128/JB.06752-11;
RA Cserhati M., Kriszt B., Szoboszlay S., Toth A., Szabo I., Tancsics A.,
RA Nagy I., Horvath B., Nagy I., Kukolya J.;
RT "De Novo Genome Project of Cupriavidus basilensis OR16.";
RL J. Bacteriol. 194:2109-2110(2012).
CC -!- FUNCTION: Catalyzes the cleavage of 2-amino-3-ketobutyrate to glycine
CC and acetyl-CoA. {ECO:0000256|HAMAP-Rule:MF_00985}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=acetyl-CoA + glycine = (2S)-2-amino-3-oxobutanoate + CoA;
CC Xref=Rhea:RHEA:20736, ChEBI:CHEBI:57287, ChEBI:CHEBI:57288,
CC ChEBI:CHEBI:57305, ChEBI:CHEBI:78948; EC=2.3.1.29;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00985};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00985};
CC Note=Binds 1 pyridoxal phosphate per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_00985};
CC -!- PATHWAY: Amino-acid degradation; L-threonine degradation via oxydo-
CC reductase pathway; glycine from L-threonine: step 2/2.
CC {ECO:0000256|HAMAP-Rule:MF_00985}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00985}.
CC -!- SIMILARITY: Belongs to the class-II pyridoxal-phosphate-dependent
CC aminotransferase family. {ECO:0000256|HAMAP-Rule:MF_00985}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EHP40926.1}.
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DR EMBL; AHJE01000056; EHP40926.1; -; Genomic_DNA.
DR RefSeq; WP_006159984.1; NZ_AHJE01000056.1.
DR AlphaFoldDB; H1S976; -.
DR PATRIC; fig|1127483.3.peg.4565; -.
DR OrthoDB; 9807157at2; -.
DR UniPathway; UPA00046; UER00506.
DR Proteomes; UP000005808; Unassembled WGS sequence.
DR GO; GO:0008890; F:glycine C-acetyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0016874; F:ligase activity; IEA:UniProtKB-KW.
DR GO; GO:0030170; F:pyridoxal phosphate binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009058; P:biosynthetic process; IEA:InterPro.
DR GO; GO:0019518; P:L-threonine catabolic process to glycine; IEA:UniProtKB-UniRule.
DR CDD; cd06454; KBL_like; 1.
DR Gene3D; 3.90.1150.10; Aspartate Aminotransferase, domain 1; 1.
DR Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 1.
DR HAMAP; MF_00985; 2am3keto_CoA_ligase; 1.
DR InterPro; IPR011282; 2am3keto_CoA_ligase.
DR InterPro; IPR001917; Aminotrans_II_pyridoxalP_BS.
DR InterPro; IPR004839; Aminotransferase_I/II.
DR InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR NCBIfam; TIGR01822; 2am3keto_CoA; 1.
DR PANTHER; PTHR13693:SF102; 2-AMINO-3-KETOBUTYRATE COENZYME A LIGASE, MITOCHONDRIAL; 1.
DR PANTHER; PTHR13693; CLASS II AMINOTRANSFERASE/8-AMINO-7-OXONONANOATE SYNTHASE; 1.
DR Pfam; PF00155; Aminotran_1_2; 1.
DR SUPFAM; SSF53383; PLP-dependent transferases; 1.
DR PROSITE; PS00599; AA_TRANSFER_CLASS_2; 1.
PE 3: Inferred from homology;
KW Acyltransferase {ECO:0000256|HAMAP-Rule:MF_00985,
KW ECO:0000313|EMBL:EHP40926.1}; Ligase {ECO:0000313|EMBL:EHP40926.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_00985};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00985, ECO:0000313|EMBL:EHP40926.1}.
FT DOMAIN 43..389
FT /note="Aminotransferase class I/classII"
FT /evidence="ECO:0000259|Pfam:PF00155"
FT BINDING 111..112
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
FT BINDING 136
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
FT BINDING 185
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
FT BINDING 210..213
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
FT BINDING 241..244
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
FT BINDING 274..275
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
FT BINDING 370
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
FT MOD_RES 244
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
SQ SEQUENCE 400 AA; 42963 MW; 6702B42E33AD9170 CRC64;
MRDRYLSHLR DTLDTIRADG FHKAERVIAS PQAADIRLAG GEHVLNFCAN NYLGLADDHR
LIEAARRGLE QDGFGMASVR FICGTQSVHK TLEAVLAKFL HTGDSILYSS CFDANGGLFE
TLLDDQDAVI SDALNHASII DGVRLCKAKR YRYGNNDMAG LEARLREADA AGARFKLIAT
DGVFSMDGII ADLRSICDLA DRYGALVMVD DSHAVGFVGE HGRGTPELCG VEGRVDIITG
TLGKALGGAS GGYVAAHREI VELLRQRSRP YLFSNSLAPS ICAATLKVLD LLGSEEGAAL
RARVRENGEH FRREMTALGF TLVPGQHPII PVMLGDAALA SGMADALLAE HVYVVGFSHP
VVPKGQARIR TQMSAAHTPE QIERAVAAFA KVGRQFGAIA
//