PDXA2_RHIME
ID PDXA2_RHIME Reviewed; 321 AA.
AC Q92X16;
DT 31-JAN-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-DEC-2001, sequence version 1.
DT 03-AUG-2022, entry version 114.
DE RecName: Full=Putative D-threonate 4-phosphate dehydrogenase {ECO:0000250|UniProtKB:P58718};
DE EC=1.1.1.408 {ECO:0000250|UniProtKB:P58718};
GN Name=pdxA2 {ECO:0000312|EMBL:CAC48546.1}; OrderedLocusNames=RB0146;
GN ORFNames=SMb20146;
OS Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium
OS meliloti).
OG Plasmid pSymB (megaplasmid 2).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX NCBI_TaxID=266834;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=1021;
RX PubMed=11481431; DOI=10.1073/pnas.161294698;
RA Finan T.M., Weidner S., Wong K., Buhrmester J., Chain P., Vorhoelter F.J.,
RA Hernandez-Lucas I., Becker A., Cowie A., Gouzy J., Golding B., Puehler A.;
RT "The complete sequence of the 1,683-kb pSymB megaplasmid from the N2-fixing
RT endosymbiont Sinorhizobium meliloti.";
RL Proc. Natl. Acad. Sci. U.S.A. 98:9889-9894(2001).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=1021;
RX PubMed=11474104; DOI=10.1126/science.1060966;
RA Galibert F., Finan T.M., Long S.R., Puehler A., Abola P., Ampe F.,
RA Barloy-Hubler F., Barnett M.J., Becker A., Boistard P., Bothe G.,
RA Boutry M., Bowser L., Buhrmester J., Cadieu E., Capela D., Chain P.,
RA Cowie A., Davis R.W., Dreano S., Federspiel N.A., Fisher R.F., Gloux S.,
RA Godrie T., Goffeau A., Golding B., Gouzy J., Gurjal M., Hernandez-Lucas I.,
RA Hong A., Huizar L., Hyman R.W., Jones T., Kahn D., Kahn M.L., Kalman S.,
RA Keating D.H., Kiss E., Komp C., Lelaure V., Masuy D., Palm C., Peck M.C.,
RA Pohl T.M., Portetelle D., Purnelle B., Ramsperger U., Surzycki R.,
RA Thebault P., Vandenbol M., Vorhoelter F.J., Weidner S., Wells D.H.,
RA Wong K., Yeh K.-C., Batut J.;
RT "The composite genome of the legume symbiont Sinorhizobium meliloti.";
RL Science 293:668-672(2001).
CC -!- FUNCTION: Catalyzes the NAD-dependent oxidation and subsequent
CC decarboxylation of D-threonate 4-phosphate to produce dihydroxyacetone
CC phosphate (DHAP). {ECO:0000250|UniProtKB:P58718}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4-O-phospho-D-threonate + NAD(+) = CO2 + dihydroxyacetone
CC phosphate + NADH; Xref=Rhea:RHEA:52396, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57642, ChEBI:CHEBI:57945,
CC ChEBI:CHEBI:136590; EC=1.1.1.408;
CC Evidence={ECO:0000250|UniProtKB:P58718};
CC -!- COFACTOR:
CC Name=a divalent metal cation; Xref=ChEBI:CHEBI:60240;
CC Evidence={ECO:0000250|UniProtKB:P19624};
CC Note=Binds 1 divalent metal cation per subunit.
CC {ECO:0000250|UniProtKB:P19624};
CC -!- SUBUNIT: Homodimer. {ECO:0000250|UniProtKB:P58718}.
CC -!- SIMILARITY: Belongs to the PdxA family. PdxA2 subfamily. {ECO:0000305}.
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DR EMBL; AL591985; CAC48546.1; -; Genomic_DNA.
DR PIR; B95860; B95860.
DR RefSeq; NP_436686.1; NC_003078.1.
DR RefSeq; WP_003532057.1; NC_003078.1.
DR AlphaFoldDB; Q92X16; -.
DR SMR; Q92X16; -.
DR STRING; 266834.SM_b20146; -.
DR EnsemblBacteria; CAC48546; CAC48546; SM_b20146.
DR GeneID; 25014138; -.
DR GeneID; 61600161; -.
DR KEGG; sme:SM_b20146; -.
DR PATRIC; fig|266834.11.peg.5061; -.
DR eggNOG; COG1995; Bacteria.
DR HOGENOM; CLU_040168_0_1_5; -.
DR OMA; PINKLAW; -.
DR PRO; PR:Q92X16; -.
DR Proteomes; UP000001976; Plasmid pSymB.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR GO; GO:0016491; F:oxidoreductase activity; IEA:UniProtKB-KW.
DR GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-KW.
DR InterPro; IPR005255; PdxA_fam.
DR PANTHER; PTHR30004; PTHR30004; 1.
DR Pfam; PF04166; PdxA; 1.
DR TIGRFAMs; TIGR00557; pdxA; 1.
PE 3: Inferred from homology;
KW Carbohydrate metabolism; Metal-binding; NAD; Oxidoreductase; Plasmid;
KW Reference proteome.
FT CHAIN 1..321
FT /note="Putative D-threonate 4-phosphate dehydrogenase"
FT /id="PRO_0000188822"
FT BINDING 123
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:P19624"
FT BINDING 124
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:P19624"
FT BINDING 153
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000250|UniProtKB:P19624"
FT BINDING 197
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000250|UniProtKB:P19624"
FT BINDING 252
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000250|UniProtKB:P19624"
FT BINDING 260
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:P19624"
FT BINDING 269
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:P19624"
FT BINDING 278
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:P19624"
SQ SEQUENCE 321 AA; 33689 MW; F6C54F187F325110 CRC64;
MSKIIGITMG DPCGVGPEIT VRSLAEMSAA DREATRIYGN LATLEAAREA LGLSVDLQPY
VVDLTVEGAP LPWGSLSAVA GDAAFRFIER AVRDAEAGNI GCIVTAPINK EALNMAGHHY
DGHTGMLRSL TGSSAAYMLL ASERLKVIHV STHVSLKEAI GRATTERVLA TIRAGNAHLK
RIGYEHPRIA VAGINPHCGE NGLFGTEDDD QIGPAVAAAR EEGIDVQGPI SADTVFHRAY
SGGFDLVVAQ YHDQGHIPIK LVAFDTAVNV SVDLPIDRTS VDHGTAFDIA GKGIANHGNL
NSAIAYARKL VAGQASRKAA S
