ID M4X2U1_9PSED Unreviewed; 665 AA.
AC M4X2U1;
DT 29-MAY-2013, integrated into UniProtKB/TrEMBL.
DT 29-MAY-2013, sequence version 1.
DT 24-JAN-2024, entry version 60.
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 ORFNames=H681_22685 {ECO:0000313|EMBL:AGI26404.1};
OS Pseudomonas sp. ATCC 13867.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=1294143 {ECO:0000313|EMBL:AGI26404.1, ECO:0000313|Proteomes:UP000012082};
RN [1] {ECO:0000313|EMBL:AGI26404.1, ECO:0000313|Proteomes:UP000012082}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 13867 {ECO:0000313|EMBL:AGI26404.1,
RC ECO:0000313|Proteomes:UP000012082};
RX PubMed=23723394;
RA Ainala S.K., Somasundar A., Park S.;
RT "Complete genome sequence of Pseudomonas denitrificans ATCC 13867.";
RL Genome Announc. 1:E00257-E00213(2013).
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=Ca(2+); Xref=ChEBI:CHEBI:29108;
CC Evidence={ECO:0000256|ARBA:ARBA00001913};
CC -!- COFACTOR:
CC Name=Co(2+); Xref=ChEBI:CHEBI:48828;
CC Evidence={ECO:0000256|ARBA:ARBA00001941};
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; CP004143; AGI26404.1; -; Genomic_DNA.
DR RefSeq; WP_015479253.1; NC_020829.1.
DR AlphaFoldDB; M4X2U1; -.
DR STRING; 1294143.H681_22685; -.
DR KEGG; pdr:H681_22685; -.
DR PATRIC; fig|1294143.3.peg.4605; -.
DR eggNOG; COG0021; Bacteria.
DR HOGENOM; CLU_009227_0_0_6; -.
DR OrthoDB; 8732661at2; -.
DR Proteomes; UP000012082; 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; 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|ARBA:ARBA00022837, 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 Thiamine pyrophosphate {ECO:0000256|ARBA:ARBA00023052,
KW ECO:0000256|RuleBase:RU004996};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU004996}.
FT DOMAIN 12..32
FT /note="Transketolase signature 1"
FT /evidence="ECO:0000259|PROSITE:PS00801"
SQ SEQUENCE 665 AA; 71784 MW; BBFAE8D3A01FF9C8 CRC64;
MPSRRERANA IRALSMDAVQ KANSGHPGAP MGMADIAEVL WRDYLKHNPG NPQWADRDRF
VLSNGHGSML IYSLLHLTGY DVTVDDLKNF RQLNSRTPGH PEYGYTAGVE TTTGPLGQGI
ANAVGMALAE KVLGAQFNRD GHAIVDHYTY AFLGDGCMME GISHEVASLA GTLRLNKLVA
FYDDNGISID GEVEGWFTDD TPKRFEAYGW QVIRNVDGHD ADEIKTAIET ARKSDAPTLI
CCKTVIGFGS PNKQGKEECH GAPLGNDEIA ATRAALGWNH GPFEVPAEIY AEWSAKEAGA
SHESEWNQRF AAYQAAHPEL AAEFLRRVAG ELPADFAEKA AAYVADVATK GETIASRKAS
QNALNAFGPL LPEFLGGSAD LAGSNLTLWK GCKGVSAADA SGNYMFYGVR EFGMSAIMNG
VALHGGFIPY GATFLIFMEY ARNAVRMSAL MKQRVLYVFT HDSIGLGEDG PTHQPIEQLA
SLRLTPNLDT WRPADAVESA VAWKYAIERA DGPSALVFSR QNLPHQPRDA GQLADVARGG
YVLKDCDGEP ELILIATGSE VGLAVQAFDK LSAEGRKVRV VSMPSTSVFD QQDAGYKQAV
LPVQVGARIA IEAAHADYWY KYVGLEGRVI GMTTFGESAP AAALFEHFGF TVENLLEVAA
ELLDA
//