ID A0A089XK86_STRGA Unreviewed; 397 AA.
AC A0A089XK86;
DT 26-NOV-2014, integrated into UniProtKB/TrEMBL.
DT 26-NOV-2014, sequence version 1.
DT 27-MAR-2024, entry version 49.
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 ECO:0000313|EMBL:AIS01625.1};
GN ORFNames=SGLAU_28440 {ECO:0000313|EMBL:AIS01625.1};
OS Streptomyces glaucescens.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=1907 {ECO:0000313|EMBL:AIS01625.1, ECO:0000313|Proteomes:UP000029482};
RN [1] {ECO:0000313|Proteomes:UP000029482}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 40922 / GLA O {ECO:0000313|Proteomes:UP000029482};
RX PubMed=25499805; DOI=10.1016/j.jbiotec.2014.11.036;
RA Ortseifen V., Winkler A., Albersmeier A., Wendler S., Puhler A.,
RA Kalinowski J., Ruckert C.;
RT "Complete genome sequence of the actinobacterium Streptomyces glaucescens
RT GLA.O (DSM 40922) consisting of a linear chromosome and one linear
RT plasmid.";
RL J. Biotechnol. 194:81-83(2015).
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=6-carboxyhexanoyl-[ACP] + H(+) + L-alanine = (8S)-8-amino-7-
CC oxononanoate + CO2 + holo-[ACP]; Xref=Rhea:RHEA:42288, Rhea:RHEA-
CC COMP:9685, Rhea:RHEA-COMP:9955, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:57972, ChEBI:CHEBI:64479, ChEBI:CHEBI:78846,
CC ChEBI:CHEBI:149468; EC=2.3.1.47;
CC Evidence={ECO:0000256|ARBA:ARBA00034067};
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}.
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DR EMBL; CP009438; AIS01625.1; -; Genomic_DNA.
DR RefSeq; WP_043505331.1; NZ_CP009438.1.
DR AlphaFoldDB; A0A089XK86; -.
DR STRING; 1907.SGLAU_28440; -.
DR KEGG; sgu:SGLAU_28440; -.
DR eggNOG; COG0156; Bacteria.
DR HOGENOM; CLU_015846_11_0_11; -.
DR OrthoDB; 9807157at2; -.
DR UniPathway; UPA00046; UER00506.
DR Proteomes; UP000029482; Chromosome.
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:SF103; 2-AMINO-3-KETOBUTYRATE COENZYME A LIGASE; 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:AIS01625.1}; Coiled coil {ECO:0000256|SAM:Coils};
KW Ligase {ECO:0000313|EMBL:AIS01625.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_00985}; Reference proteome {ECO:0000313|Proteomes:UP000029482};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00985, ECO:0000313|EMBL:AIS01625.1}.
FT DOMAIN 46..388
FT /note="Aminotransferase class I/classII"
FT /evidence="ECO:0000259|Pfam:PF00155"
FT COILED 154..181
FT /evidence="ECO:0000256|SAM:Coils"
FT BINDING 114..115
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 139
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
FT BINDING 186
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 211..214
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 242..245
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 275..276
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 369
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
FT MOD_RES 245
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
SQ SEQUENCE 397 AA; 42805 MW; C2D9A2E411E83C23 CRC64;
MFDSVRDDLR ATLDEIRAAG LHKPERVIGT PQSATVAVTA GGRPGEVLNF CANNYLGLAD
HPEVIAAAHE ALDRWGYGMA SVRFICGTQE VHKELEARLS AFLGQEDTIL YSSCFDANGG
VFETLLGPED AVISDALNHA SIIDGIRLSK ARRFRYANRD LEDLERQLKE ASDARRRLIV
TDGVFSMDGY VAPLREICDL ADRYDAMVMV DDSHAVGFVG PGGRGTPELH GVMDRVDIIT
GTLGKALGGA SGGYVAARAE IVALLRQRSR PYLFSNTLAP VIAAASLKVL DLLESADDLR
VRLAENTALF RRRMTEEGFD ILPGDHAIAP VMIGDAAEAG RMAELLLERG VYVIGFSYPV
VPQGQARIRV QLSAAHSADD VDRAVDAFVA ARAELAG
//
