ID A0A0D4BYE7_9MICC Unreviewed; 398 AA.
AC A0A0D4BYE7;
DT 27-MAY-2015, integrated into UniProtKB/TrEMBL.
DT 27-MAY-2015, sequence version 1.
DT 27-MAR-2024, entry version 44.
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=UM93_08095 {ECO:0000313|EMBL:AJT41487.1};
OS Psychromicrobium lacuslunae.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Micrococcaceae;
OC Psychromicrobium.
OX NCBI_TaxID=1618207 {ECO:0000313|EMBL:AJT41487.1, ECO:0000313|Proteomes:UP000061839};
RN [1] {ECO:0000313|EMBL:AJT41487.1, ECO:0000313|Proteomes:UP000061839}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IHBB 11108 {ECO:0000313|EMBL:AJT41487.1,
RC ECO:0000313|Proteomes:UP000061839};
RX PubMed=25908143;
RA Kiran S., Swarnkar M.K., Pal M., Thakur R., Tewari R., Singh A.K.,
RA Gulati A.;
RT "Complete Genome Sequencing of Protease-Producing Novel Arthrobacter sp.
RT Strain IHBB 11108 Using PacBio Single-Molecule Real-Time Sequencing
RT Technology.";
RL Genome Announc. 3:0-0(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; CP011005; AJT41487.1; -; Genomic_DNA.
DR RefSeq; WP_045074897.1; NZ_CP011005.1.
DR AlphaFoldDB; A0A0D4BYE7; -.
DR STRING; 1618207.UM93_08095; -.
DR KEGG; ari:UM93_08095; -.
DR PATRIC; fig|1618207.4.peg.1638; -.
DR HOGENOM; CLU_015846_11_0_11; -.
DR OrthoDB; 9807157at2; -.
DR UniPathway; UPA00046; UER00506.
DR Proteomes; UP000061839; 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:AJT41487.1}; Ligase {ECO:0000313|EMBL:AJT41487.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_00985}; Reference proteome {ECO:0000313|Proteomes:UP000061839};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00985, ECO:0000313|EMBL:AJT41487.1}.
FT DOMAIN 47..388
FT /note="Aminotransferase class I/classII"
FT /evidence="ECO:0000259|Pfam:PF00155"
FT BINDING 115..116
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 140
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
FT BINDING 187
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 212..215
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 243..246
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 276..277
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 246
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00985"
SQ SEQUENCE 398 AA; 42370 MW; 0246B9D956E607A1 CRC64;
MYSTMKDQLS AELNDIRQAG LFKTERKIGS AQSAHISAGP LDGEAKEVLN FCANNYLGLA
DNPALIEAAK GALDERGFGM ASVRFICGTQ DLHLELEQRV SAFLGTEDTI LFSSCFDANG
GVFESLFGAE DAIISDALNH ASIIDGIRLS KAARYRYANQ DMADLEAKLQ EASGARRKII
VTDGVFSMDG YLAPLEAICD LADQYDALVM VDDSHAVGFM GATGAGTPEH AGVSERVDIY
TGTFGKALGG ASGGYVSGRG EIVAMLRQKA RPYLFSNSLA PAIVAATLTA LDLVRESGEL
REKLFANAEL FRRRMSEEGF ELLEGEHAIV PVMFGDAALA AKVADQMLQN GVYVTAFSFP
VVPRGAARIR VQLSASHSAD DVEACVQAFV ASRAAVAN
//
