ID A0A0F5V6M4_9GAMM Unreviewed; 662 AA.
AC A0A0F5V6M4;
DT 24-JUN-2015, integrated into UniProtKB/TrEMBL.
DT 24-JUN-2015, sequence version 1.
DT 27-MAR-2024, entry version 34.
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=KY46_21715 {ECO:0000313|EMBL:KKC97840.1};
OS Photobacterium halotolerans.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC Photobacterium.
OX NCBI_TaxID=265726 {ECO:0000313|EMBL:KKC97840.1, ECO:0000313|Proteomes:UP000033633};
RN [1] {ECO:0000313|EMBL:KKC97840.1, ECO:0000313|Proteomes:UP000033633}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MELD1 {ECO:0000313|EMBL:KKC97840.1,
RC ECO:0000313|Proteomes:UP000033633};
RA Mathew D.C., Huang C.-C.;
RT "Mercury Reductase activity and rhizosphere competence traits in the genome
RT of root associated Photobacterium halotolerans MELD1.";
RL Submitted (DEC-2014) 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|ARBA:ARBA00002931,
CC 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=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|ARBA:ARBA00001936};
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KKC97840.1}.
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DR EMBL; JWYV01000043; KKC97840.1; -; Genomic_DNA.
DR RefSeq; WP_046222628.1; NZ_JWYV01000043.1.
DR AlphaFoldDB; A0A0F5V6M4; -.
DR PATRIC; fig|265726.11.peg.3680; -.
DR OrthoDB; 8732661at2; -.
DR Proteomes; UP000033633; Unassembled WGS sequence.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
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|ARBA:ARBA00022837, ECO:0000256|RuleBase:RU004996};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|RuleBase:RU004996};
KW Membrane {ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU004996};
KW Reference proteome {ECO:0000313|Proteomes:UP000033633};
KW Thiamine pyrophosphate {ECO:0000256|ARBA:ARBA00023052,
KW ECO:0000256|RuleBase:RU004996};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU004996};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 415..436
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 353..524
FT /note="Transketolase-like pyrimidine-binding"
FT /evidence="ECO:0000259|SMART:SM00861"
SQ SEQUENCE 662 AA; 71444 MW; 1C2800A243D54D14 CRC64;
MDRKVLANAI RALSMDGVQQ ANSGHPGAPM GMADIAEVLW RDHLNHNPQN PNWADRDRFV
LSNGHGSMLI YSLLHLSGYD LAIDDLKNFR QLHSKTPGHP EYGYAPGIET TTGPLGQGIT
NAVGMAIAEK SLAAQFNRDG HDIVDHYTYT FLGDGCLMEG ISHEACSLAG TLGLGKLIAF
WDDNGISIDG HVEGWFSDDT PKRFEAYGWH VIPAVDGHDA AAINAAIEAA KADPRPTLIC
TKTIIGFGSP NKAGSHDCHG APLGHDEIAA AREFLGWQHG PFEIPADVYA QWDAKEAGAA
KEAAWNEKLA AYEAAHPELA AEFKRRVNGE LPAQWEAEAS KIIADLQANP ANIASRKASQ
NALEAFGKIL PEFMGGSADL APSNLTMWSG SKSLTADDAS GNYIHYGVRE FGMTAIINGI
ALHGGFVPYG ATFLMFMEYA RNAMRMAALM KVQNIQVYTH DSIGLGEDGP THQPVEQMAS
LRLTPNMSTW RPCDQVESAV AWKLAIERKD APTALIFSRQ NLAQQERSEQ QVADIAKGGY
ILKDCAGKPE LILIATGSEV ELAVNAAAEL SAEGKQVRVV SMPSTDAFDK QDAAYRESVL
PSDVTARIAI EAGIADFWYK YVGFDGRIIG MTSFGESAPA GELFKLFGFT TENVVSTAKE
LL
//
