ID A0A377QXT3_9NEIS Unreviewed; 660 AA.
AC A0A377QXT3;
DT 07-NOV-2018, integrated into UniProtKB/TrEMBL.
DT 07-NOV-2018, sequence version 1.
DT 27-MAR-2024, entry version 19.
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 Name=tktA {ECO:0000313|EMBL:STR00214.1};
GN ORFNames=NCTC13336_00411 {ECO:0000313|EMBL:STR00214.1};
OS Kingella potus.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC Kingella.
OX NCBI_TaxID=265175 {ECO:0000313|EMBL:STR00214.1, ECO:0000313|Proteomes:UP000254293};
RN [1] {ECO:0000313|EMBL:STR00214.1, ECO:0000313|Proteomes:UP000254293}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NCTC13336 {ECO:0000313|EMBL:STR00214.1,
RC ECO:0000313|Proteomes:UP000254293};
RG Pathogen Informatics;
RA Doyle S.;
RL Submitted (JUN-2018) to the EMBL/GenBank/DDBJ databases.
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; UGJJ01000001; STR00214.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A377QXT3; -.
DR OrthoDB; 8732661at2; -.
DR Proteomes; UP000254293; Unassembled WGS sequence.
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:UP000254293};
KW Thiamine pyrophosphate {ECO:0000256|ARBA:ARBA00023052,
KW ECO:0000256|RuleBase:RU004996};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU004996}.
FT DOMAIN 353..523
FT /note="Transketolase-like pyrimidine-binding"
FT /evidence="ECO:0000259|SMART:SM00861"
SQ SEQUENCE 660 AA; 70806 MW; FBE7082EF6EE2FA8 CRC64;
MSSQLANAIR FLSADAVQKA NSGHPGAPMG MAEMAEVLWT QFLNHNPANP KFYNRDRFVL
SNGHASMLLY SLLHLTGYNV SVDDLKNFRQ LHSKTPGHPE YGYTDGVETT TGPLGQGIAN
AVGMALAEKI LAAEFNKDGL DIVNHHTYVF LGDGCLMEGI SHEAASLAGT LGLGKLVVLY
DDNNISIDGK VDGWFTENIP ARFESYGWHV IPNVNGHDTA AIQTAIAAAK AETAKPSIIC
CKTLIGKGSA GKEGSHKTHG APLGADEIEA TRKHLGWPYA AFEIPQEIYA AWSAKEKGAK
LEAEWNALFA QYQAKFPAEA AEFVRRMEHR LPENFDARIQ TALEDVCAKA EKIATRKASQ
NSIAVLAGVL PELVGGSADL TPSNLTDWPG SVSVTRGHGG NYIHYGVREF GMAAIVNGMA
LHGGVKPFGA TFLMFSEYAR NALRMAALMK TNPVFVFTHD SIGLGEDGPT HQPVEQTATL
RLIPNMAVWR PCDTAESLVA WSEAAKAADH PSCLIFSRQN LPFVPRSAAQ LENIKRGGYV
VSEAEGEAKA VIIATGSEVE LALNAQKALL EQGVAVGVVS MPCTNVFDKQ DAAYRESVLP
ALLPKVAVEA GVSDGWYKYV GTNGKVVGLD RFGESAPAEL LFKEFGFTVE NVVAAVKSVL
//
