ID K7W9E7_9NOST Unreviewed; 670 AA.
AC K7W9E7;
DT 06-FEB-2013, integrated into UniProtKB/TrEMBL.
DT 06-FEB-2013, sequence version 1.
DT 24-JAN-2024, entry version 56.
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=ANA_C13813 {ECO:0000313|EMBL:AFW96459.1};
OS Anabaena sp. 90.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Nostocaceae; Anabaena.
OX NCBI_TaxID=46234 {ECO:0000313|EMBL:AFW96459.1, ECO:0000313|Proteomes:UP000010101};
RN [1] {ECO:0000313|EMBL:AFW96459.1, ECO:0000313|Proteomes:UP000010101}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=90 {ECO:0000313|EMBL:AFW96459.1};
RX PubMed=23148582; DOI=10.1186/1471-2164-13-613;
RA Wang H., Sivonen K., Rouhiainen L., Fewer D.P., Lyra C., Rantala-Ylinen A.,
RA Vestola J., Jokela J., Rantasarkka K., Li Z., Liu B.;
RT "Genome-derived insights into the biology of the hepatotoxic bloom-forming
RT cyanobacterium Anabaena sp. strain 90.";
RL BMC Genomics 13:613-613(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; CP003284; AFW96459.1; -; Genomic_DNA.
DR RefSeq; WP_015081590.1; NC_019427.1.
DR AlphaFoldDB; K7W9E7; -.
DR STRING; 46234.ANA_C13813; -.
DR KEGG; anb:ANA_C13813; -.
DR PATRIC; fig|46234.3.peg.4340; -.
DR eggNOG; COG0021; Bacteria.
DR HOGENOM; CLU_009227_0_0_3; -.
DR OrthoDB; 8732661at2; -.
DR Proteomes; UP000010101; Chromosome chANA01.
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|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:UP000010101};
KW Thiamine pyrophosphate {ECO:0000256|ARBA:ARBA00023052,
KW ECO:0000256|RuleBase:RU004996};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU004996}.
FT DOMAIN 17..37
FT /note="Transketolase signature 1"
FT /evidence="ECO:0000259|PROSITE:PS00801"
SQ SEQUENCE 670 AA; 71443 MW; 07269FD330A63D66 CRC64;
MAVATQSIQE LCINSIRFLA VDAIEKSKSG HPGLPMGAAP MAFVLWDSFM RYNPKNPQWF
NRDRFVLSAG HGSMLQYALL YLTGYDSVTI DDIKQFRQWG AKTPGHPENF VTAGVEVTTG
PLGQGIANAV GLAVAEAHLA AKFNKPDATI VDHYTYVILG DGCNMEGISG EAASIAGHWG
LGKLIALYDD NHISIDGSTD VAFTEDVSKR FESYGWHVIH VKDGNTDLAG IAQAIEAAKA
VTDKPTMIKV TTTIGYGSPN KQDTAGIHGA ALGPEETIAT RKNLGWEYDA FVVPEDALNH
TRKAVERGAG YESAWNTVYA GYKAKYPQEA AEFDRFISGK LPEGWDQVLP TYTPEDKALP
TRKHSENCLN KLGAVLPELI GGSADLTHSN LTELKGAGDF QKGHFANRNI HFGVREHAMG
AICNGMALHN SGLIPYGATF LIFTDYMRAA IRLAALSEAG SIWVMTHDSI GQGEDGPTHQ
PIETLASLRA IPDLTVIRPA DGNETSGGYK VAIEKSKAKA STLLAFTRQN VPNLAGTSIA
GVAKGAYTIV DSEGTPDIIL IGTGSEVSLC VSAAEKLTAV GKKVRVVSMP SSTLFDTQDA
AYKESVLPKA VTKRLSVEAA SSFGWHKYIG SEGDTVSIDT FGASAPGGIC LEKFGFTVDN
VLAKAKALLG
//