ID A9DS53_9FLAO Unreviewed; 397 AA.
AC A9DS53;
DT 05-FEB-2008, integrated into UniProtKB/TrEMBL.
DT 05-FEB-2008, sequence version 1.
DT 24-JAN-2024, entry version 66.
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=KAOT1_17028 {ECO:0000313|EMBL:EDP96887.1};
OS Kordia algicida OT-1.
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC Flavobacteriaceae; Kordia.
OX NCBI_TaxID=391587 {ECO:0000313|EMBL:EDP96887.1, ECO:0000313|Proteomes:UP000002945};
RN [1] {ECO:0000313|EMBL:EDP96887.1, ECO:0000313|Proteomes:UP000002945}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=OT-1 {ECO:0000313|EMBL:EDP96887.1,
RC ECO:0000313|Proteomes:UP000002945};
RX PubMed=21622754; DOI=10.1128/JB.05241-11;
RA Lee H.S., Kang S.G., Kwon K.K., Lee J.H., Kim S.J.;
RT "Genome sequence of the algicidal bacterium Kordia algicida OT-1.";
RL J. Bacteriol. 193:4031-4032(2011).
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: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {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:EDP96887.1}.
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DR EMBL; ABIB01000003; EDP96887.1; -; Genomic_DNA.
DR RefSeq; WP_007095941.1; NZ_DS544873.1.
DR AlphaFoldDB; A9DS53; -.
DR STRING; 391587.KAOT1_17028; -.
DR eggNOG; COG0156; Bacteria.
DR HOGENOM; CLU_015846_11_0_10; -.
DR OrthoDB; 9807157at2; -.
DR UniPathway; UPA00046; UER00506.
DR Proteomes; UP000002945; 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; 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.
PE 3: Inferred from homology;
KW Acyltransferase {ECO:0000256|HAMAP-Rule:MF_00985};
KW Ligase {ECO:0000313|EMBL:EDP96887.1};
KW Pyridoxal phosphate {ECO:0000256|HAMAP-Rule:MF_00985};
KW Reference proteome {ECO:0000313|Proteomes:UP000002945};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00985}.
FT DOMAIN 43..386
FT /note="Aminotransferase class I/classII"
FT /evidence="ECO:0000259|Pfam:PF00155"
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 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 368
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 397 AA; 43590 MW; 22EAF289C8C34B3B CRC64;
MYGSIQQHLQ KELQEIKDAG LYKKERVITS AQGAEITINT GETVINFCAN NYLGLSSHPE
VIQAAKDTMD THGFGMSSVR FICGTQDIHK TLEQKIADYY GTEDTILYAA AFDANGGVFE
PLLTKEDAII SDSLNHASII DGVRLCKAAR YRYQNNDMAD LEKQLQQANA DGARFKIIVT
DGVFSMDGLV APLDEIAVLA EKYDAMIMID ECHATGFIGE TGRGTLEEKN VMGKIDIITG
TLGKAMGGAM GGYTTGKKEI IEILRQRSRP YLFSNSLAPA IVGASIKVFE MLENDTTLRD
KLADNTEYFK KGIKNAGFDI VDGDSAIVPV MLYDAKLSQI MADKLLEKGI YVIGFFYPVV
PKEKARIRVQ LSAAHTKEHL DKAIAAFTEI GKELKVI
//