ID Q2JHM6_SYNJB Unreviewed; 346 AA.
AC Q2JHM6;
DT 07-MAR-2006, integrated into UniProtKB/TrEMBL.
DT 07-MAR-2006, sequence version 1.
DT 27-MAR-2024, entry version 95.
DE RecName: Full=L-threonine aldolase {ECO:0000256|PIRNR:PIRNR038940};
DE EC=4.1.2.48 {ECO:0000256|PIRNR:PIRNR038940};
GN OrderedLocusNames=CYB_0540 {ECO:0000313|EMBL:ABD01531.1};
OS Synechococcus sp. (strain JA-2-3B'a(2-13)) (Cyanobacteria bacterium
OS Yellowstone B-Prime).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; Synechococcaceae;
OC Synechococcus.
OX NCBI_TaxID=321332 {ECO:0000313|EMBL:ABD01531.1, ECO:0000313|Proteomes:UP000001938};
RN [1] {ECO:0000313|EMBL:ABD01531.1, ECO:0000313|Proteomes:UP000001938}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JA-2-3B'a(2-13) {ECO:0000313|Proteomes:UP000001938};
RX PubMed=18059494; DOI=10.1038/ismej.2007.46;
RA Bhaya D., Grossman A.R., Steunou A.S., Khuri N., Cohan F.M., Hamamura N.,
RA Melendrez M.C., Bateson M.M., Ward D.M., Heidelberg J.F.;
RT "Population level functional diversity in a microbial community revealed by
RT comparative genomic and metagenomic analyses.";
RL ISME J. 1:703-713(2007).
CC -!- FUNCTION: Catalyzes the cleavage of L-allo-threonine and L-threonine to
CC glycine and acetaldehyde. {ECO:0000256|PIRNR:PIRNR038940}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-allo-threonine = acetaldehyde + glycine;
CC Xref=Rhea:RHEA:26209, ChEBI:CHEBI:15343, ChEBI:CHEBI:57305,
CC ChEBI:CHEBI:58585; EC=4.1.2.48;
CC Evidence={ECO:0000256|PIRNR:PIRNR038940};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-threonine = acetaldehyde + glycine; Xref=Rhea:RHEA:19625,
CC ChEBI:CHEBI:15343, ChEBI:CHEBI:57305, ChEBI:CHEBI:57926; EC=4.1.2.48;
CC Evidence={ECO:0000256|PIRNR:PIRNR038940};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|PIRNR:PIRNR038940};
CC -!- SIMILARITY: Belongs to the threonine aldolase family.
CC {ECO:0000256|ARBA:ARBA00006966, ECO:0000256|PIRNR:PIRNR038940}.
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DR EMBL; CP000240; ABD01531.1; -; Genomic_DNA.
DR AlphaFoldDB; Q2JHM6; -.
DR STRING; 321332.CYB_0540; -.
DR KEGG; cyb:CYB_0540; -.
DR eggNOG; COG2008; Bacteria.
DR HOGENOM; CLU_049619_0_0_3; -.
DR OrthoDB; 9774495at2; -.
DR Proteomes; UP000001938; Chromosome.
DR GO; GO:0008732; F:L-allo-threonine aldolase activity; IEA:RHEA.
DR GO; GO:0006567; P:threonine catabolic process; IEA:UniProtKB-UniRule.
DR CDD; cd06502; TA_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 InterPro; IPR001597; ArAA_b-elim_lyase/Thr_aldolase.
DR InterPro; IPR026273; Low_specificity_L-TA_bact.
DR InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR PANTHER; PTHR48097; L-THREONINE ALDOLASE-RELATED; 1.
DR PANTHER; PTHR48097:SF5; LOW SPECIFICITY L-THREONINE ALDOLASE; 1.
DR Pfam; PF01212; Beta_elim_lyase; 1.
DR PIRSF; PIRSF038940; Low_specificity_LTA; 1.
DR SUPFAM; SSF53383; PLP-dependent transferases; 1.
PE 3: Inferred from homology;
KW Lyase {ECO:0000256|PIRNR:PIRNR038940};
KW Pyridoxal phosphate {ECO:0000256|PIRNR:PIRNR038940};
KW Reference proteome {ECO:0000313|Proteomes:UP000001938}.
FT DOMAIN 3..293
FT /note="Aromatic amino acid beta-eliminating lyase/threonine
FT aldolase"
FT /evidence="ECO:0000259|Pfam:PF01212"
SQ SEQUENCE 346 AA; 37397 MW; A0AACE51A9099E6D CRC64;
MNFCSDNVTG ACPEVMEALL ALNRGSAMPY GGDECTAQVQ RLFAEIFEHE VAVFPVATGS
AANALALSVL TPPYGAIYCH PEAHINLDEC GAPELFTGGA KLVGIPGEQG RIDWGNLKAA
LERAGFGVVH HVQPACLSLT QATEAGTLYS LEQLGSLADL AHHFGLKVHM DGARFANALV
GLGCTPAEMT WKAGVDVLSF GATKNGAWAA EAVVFFHPDQ VGDFEFRRKR SGHLVSKMRF
LSAQLQAYLQ DGVWLRNARH ANAMAQRLAQ GLGSLPGARL VYPTEANEVF IELPEPVLQA
LEQAGFRFYR WLGEGHHLIR LVTAFNTLPA DVERFCQVAQ QASRLQ
//
