ID L0EXV7_LIBCB Unreviewed; 663 AA.
AC L0EXV7;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 27-MAR-2024, entry version 55.
DE RecName: Full=Transketolase {ECO:0000256|ARBA:ARBA00013152, ECO:0000256|RuleBase:RU004996};
DE EC=2.2.1.1 {ECO:0000256|ARBA:ARBA00013152, ECO:0000256|RuleBase:RU004996};
GN OrderedLocusNames=B488_12190 {ECO:0000313|EMBL:AGA65211.1};
OS Liberibacter crescens (strain BT-1).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Rhizobiaceae; Liberibacter.
OX NCBI_TaxID=1215343 {ECO:0000313|EMBL:AGA65211.1, ECO:0000313|Proteomes:UP000010799};
RN [1] {ECO:0000313|EMBL:AGA65211.1, ECO:0000313|Proteomes:UP000010799}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BT-1 {ECO:0000313|EMBL:AGA65211.1,
RC ECO:0000313|Proteomes:UP000010799};
RX PubMed=23408754; DOI=10.4056/sigs.3326772;
RA Leonard M.T., Fagen J.R., Davis-Richardson A.G., Davis M.J., Triplett E.W.;
RT "Complete genome sequence of Liberibacter crescens BT-1.";
RL Stand. Genomic Sci. 7:271-283(2012).
CC -!- FUNCTION: Catalyzes the transfer of a two-carbon ketol group from a
CC ketose donor to an aldose acceptor, via a covalent intermediate with
CC the cofactor thiamine pyrophosphate. {ECO:0000256|RuleBase:RU004996}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=D-glyceraldehyde 3-phosphate + D-sedoheptulose 7-phosphate =
CC aldehydo-D-ribose 5-phosphate + D-xylulose 5-phosphate;
CC Xref=Rhea:RHEA:10508, ChEBI:CHEBI:57483, ChEBI:CHEBI:57737,
CC ChEBI:CHEBI:58273, ChEBI:CHEBI:59776; EC=2.2.1.1;
CC Evidence={ECO:0000256|ARBA:ARBA00001027,
CC ECO:0000256|RuleBase:RU004996};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|RuleBase:RU004996};
CC Name=Ca(2+); Xref=ChEBI:CHEBI:29108;
CC Evidence={ECO:0000256|RuleBase:RU004996};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|RuleBase:RU004996};
CC Name=Co(2+); Xref=ChEBI:CHEBI:48828;
CC Evidence={ECO:0000256|RuleBase:RU004996};
CC Note=Binds 1 Mg(2+) ion per subunit. Can also utilize other divalent
CC metal cations, such as Ca(2+), Mn(2+) and Co(2+).
CC {ECO:0000256|RuleBase:RU004996};
CC -!- COFACTOR:
CC Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC Evidence={ECO:0000256|RuleBase:RU004996};
CC Note=Binds 1 thiamine pyrophosphate per subunit.
CC {ECO:0000256|RuleBase:RU004996};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738,
CC ECO:0000256|RuleBase:RU004996}.
CC -!- SIMILARITY: Belongs to the transketolase family.
CC {ECO:0000256|ARBA:ARBA00007131, ECO:0000256|RuleBase:RU004996}.
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DR EMBL; CP003789; AGA65211.1; -; Genomic_DNA.
DR AlphaFoldDB; L0EXV7; -.
DR STRING; 1215343.B488_12190; -.
DR KEGG; lcc:B488_12190; -.
DR PATRIC; fig|1215343.11.peg.1257; -.
DR eggNOG; COG0021; Bacteria.
DR HOGENOM; CLU_009227_0_1_5; -.
DR Proteomes; UP000010799; Chromosome.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004802; F:transketolase activity; IEA:UniProtKB-EC.
DR CDD; cd07033; TPP_PYR_DXS_TK_like; 1.
DR CDD; cd02012; TPP_TK; 1.
DR Gene3D; 3.40.50.920; -; 1.
DR Gene3D; 3.40.50.970; -; 2.
DR InterPro; IPR029061; THDP-binding.
DR InterPro; IPR009014; Transketo_C/PFOR_II.
DR InterPro; IPR005475; Transketolase-like_Pyr-bd.
DR InterPro; IPR005478; Transketolase_bac-like.
DR InterPro; IPR020826; Transketolase_BS.
DR InterPro; IPR033248; Transketolase_C.
DR InterPro; IPR049557; Transketolase_CS.
DR InterPro; IPR033247; Transketolase_fam.
DR InterPro; IPR005474; Transketolase_N.
DR NCBIfam; TIGR00232; tktlase_bact; 1.
DR PANTHER; PTHR43522; TRANSKETOLASE; 1.
DR PANTHER; PTHR43522:SF2; TRANSKETOLASE 1-RELATED; 1.
DR Pfam; PF02779; Transket_pyr; 1.
DR Pfam; PF02780; Transketolase_C; 1.
DR Pfam; PF00456; Transketolase_N; 1.
DR SMART; SM00861; Transket_pyr; 1.
DR SUPFAM; SSF52518; Thiamin diphosphate-binding fold (THDP-binding); 2.
DR SUPFAM; SSF52922; TK C-terminal domain-like; 1.
DR PROSITE; PS00801; TRANSKETOLASE_1; 1.
DR PROSITE; PS00802; TRANSKETOLASE_2; 1.
PE 3: Inferred from homology;
KW Calcium {ECO:0000256|RuleBase:RU004996};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|RuleBase:RU004996};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU004996};
KW Reference proteome {ECO:0000313|Proteomes:UP000010799};
KW Thiamine pyrophosphate {ECO:0000256|ARBA:ARBA00023052,
KW ECO:0000256|RuleBase:RU004996};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU004996}.
FT DOMAIN 352..523
FT /note="Transketolase-like pyrimidine-binding"
FT /evidence="ECO:0000259|SMART:SM00861"
SQ SEQUENCE 663 AA; 72868 MW; 2CC019838AFB12E9 CRC64;
MIYLEKHNNM ANAIRLLSIE AIERVNSGHP GLPMGVADIA TVLFTQFMIF DPKKPLWPNR
DRFVLSAGHG SMLLYSLLYL LGYEDMTIED IKNFRTIKSK AAGHPEYGHA SGIETTTGPL
GQGLANAVGM AIAERKLRDE FGKELIHHYT YVIAGDGCLM EGISHEAISL AGHLQLNKLI
VLWDNNSISI DGPVSLADST DQGARFCAAG WNVLAVNGHN AEEIILALEK ARLSDKPTMI
DCKTIIGFGA PSKAGTNKVH GSPLGKEELS STRKVLHWDA EPFCIPDDIL EEWRFSGSRS
THIREEWEKN LYSVSSEIRS EFMRRFAGDL PDTLDREIDK YKRKLFEIRP EIPTRKASEN
ALEIINDCLP ETIGGSADLT GSNNTKTSQT RSITACDFSG RYLHYGVREH GMSAAMNGIT
LHGGLIPYSG TFLVFSDYSR PAIRLAALMG IRVIHVLTHD SIGLGEDGPT HQPVEHMAAL
RAIPNLLMFR PADSVETLEC WQVAIKEKNR PSGIALSRQN LPFVRLQYEE KNCCSYGAYE
LVTAVDAQVT IFASGSEVKI ALDACKLLTA RNILTRVVSV PCFELFFEQE DSYKKEIIGT
SPVKIAVEAG LKQAWDVFLG TDGVFVGMKG FGASGPCEEL YQYFGITSAA VVAAAEKMLA
SCV
//