ID A0A0C9NRM0_9BACT Unreviewed; 670 AA.
AC A0A0C9NRM0;
DT 29-APR-2015, integrated into UniProtKB/TrEMBL.
DT 29-APR-2015, sequence version 1.
DT 27-MAR-2024, entry version 38.
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=BROSI_A3108 {ECO:0000313|EMBL:GAN34570.1};
OS Candidatus Brocadia sinica JPN1.
OC Bacteria; Planctomycetota; Candidatus Brocadiia; Candidatus Brocadiales;
OC Candidatus Brocadiaceae; Brocadia.
OX NCBI_TaxID=1197129 {ECO:0000313|EMBL:GAN34570.1, ECO:0000313|Proteomes:UP000032309};
RN [1] {ECO:0000313|EMBL:GAN34570.1, ECO:0000313|Proteomes:UP000032309}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JPN1 {ECO:0000313|EMBL:GAN34570.1,
RC ECO:0000313|Proteomes:UP000032309};
RA Oshiki M., Shinyako-Hata K., Satoh H., Okabe S.;
RT "Draft Genome Sequence of an Anaerobic Ammonium-Oxidizing Bacterium,
RT "Candidatus Brocadia sinica".";
RL Genome Announc. 3:e00267-15(2015).
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}.
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:GAN34570.1}.
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DR EMBL; BAFN01000001; GAN34570.1; -; Genomic_DNA.
DR RefSeq; WP_052564563.1; NZ_BAFN01000001.1.
DR AlphaFoldDB; A0A0C9NRM0; -.
DR OrthoDB; 8732661at2; -.
DR Proteomes; UP000032309; 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:UP000032309};
KW Thiamine pyrophosphate {ECO:0000256|ARBA:ARBA00023052,
KW ECO:0000256|RuleBase:RU004996};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU004996}.
FT DOMAIN 358..529
FT /note="Transketolase-like pyrimidine-binding"
FT /evidence="ECO:0000259|SMART:SM00861"
SQ SEQUENCE 670 AA; 73822 MW; B00A51A12A8CF001 CRC64;
MLIHKLDKHK IDLAVNTVRM LAADAIEKAQ SGHPGLPMGF ADIAFVLWMQ FLHFNPKDPQ
WPNRDRFILS AGHGSMLLYA LLHLFGYDLS LDDIKQFRQF GSKTPGHPEY GHTPGVEVTT
GPLGQGFANG VGMALAEKIL AERFNRDGSP VFDHHIYGVV SDGDLMEGIT SEAASFAGHL
GLSNIIYIYD SNQISIEGNT SITFTEDVAK RFEAYNWRIF KIDGHNHNEI AAAIEAARNE
KEKPSLIIAS THIGKGSPNK QDTASVHGEP LGAKELELTK EKLGWQKSPA FYIPNEVKQL
CQARVAELKG EYENWQSLFN TSVKEDPNLS QLWDAYFKKG IPENLESELL KTIRKDSIAT
RSASGEMIQV IAQQMPSFIG GSADLCPSTK TYIKNAPSLD KGKFAGRNIH FGIREHAMGG
VLNGLALYGG IIPFGSTFLM FSDYMRPSIR LAAMMKIRVV YVFTHDSIFV GEDGPTHQPI
EHLPSLRAIP NLHVIRPADA TETASAWIAA LNHKDGPTAL ILTRQDLPVI NRSVYPSQNL
LAHGAYILKD SAKSPEIILM ATGSEIPIAL EATMQLQGKG IQARLISVPC FELFRSNPDK
YKHNLLPPAC KKRVAIEAAA TSDWYEFVGL DGLIIGLDRY GTSAPAKTLA EHFGFTAKNI
SNEINKKWGI
//