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Database: UniProt
Entry: Q1QXV7
LinkDB: Q1QXV7
Original site: Q1QXV7 
ID   PDXB_CHRSD              Reviewed;         383 AA.
AC   Q1QXV7;
DT   24-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   16-MAY-2006, sequence version 1.
DT   13-FEB-2019, entry version 92.
DE   RecName: Full=Erythronate-4-phosphate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01825};
DE            EC=1.1.1.290 {ECO:0000255|HAMAP-Rule:MF_01825};
GN   Name=pdxB {ECO:0000255|HAMAP-Rule:MF_01825};
GN   OrderedLocusNames=Csal_1346;
OS   Chromohalobacter salexigens (strain DSM 3043 / ATCC BAA-138 / NCIMB
OS   13768).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Oceanospirillales;
OC   Halomonadaceae; Chromohalobacter.
OX   NCBI_TaxID=290398;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 3043 / ATCC BAA-138 / NCIMB 13768;
RX   PubMed=22675587; DOI=10.4056/sigs.2285059;
RA   Copeland A., O'Connor K., Lucas S., Lapidus A., Berry K.W.,
RA   Detter J.C., Del Rio T.G., Hammon N., Dalin E., Tice H., Pitluck S.,
RA   Bruce D., Goodwin L., Han C., Tapia R., Saunders E., Schmutz J.,
RA   Brettin T., Larimer F., Land M., Hauser L., Vargas C., Nieto J.J.,
RA   Kyrpides N.C., Ivanova N., Goker M., Klenk H.P., Csonka L.N.,
RA   Woyke T.;
RT   "Complete genome sequence of the halophilic and highly halotolerant
RT   Chromohalobacter salexigens type strain (1H11(T)).";
RL   Stand. Genomic Sci. 5:379-388(2011).
CC   -!- FUNCTION: Catalyzes the oxidation of erythronate-4-phosphate to 3-
CC       hydroxy-2-oxo-4-phosphonooxybutanoate. {ECO:0000255|HAMAP-
CC       Rule:MF_01825}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=4-phospho-D-erythronate + NAD(+) = (R)-3-hydroxy-2-oxo-4-
CC         phosphooxybutanoate + H(+) + NADH; Xref=Rhea:RHEA:18829,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC         ChEBI:CHEBI:58538, ChEBI:CHEBI:58766; EC=1.1.1.290;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01825};
CC   -!- PATHWAY: Cofactor biosynthesis; pyridoxine 5'-phosphate
CC       biosynthesis; pyridoxine 5'-phosphate from D-erythrose 4-
CC       phosphate: step 2/5. {ECO:0000255|HAMAP-Rule:MF_01825}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01825}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01825}.
CC   -!- SIMILARITY: Belongs to the D-isomer specific 2-hydroxyacid
CC       dehydrogenase family. PdxB subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_01825}.
DR   EMBL; CP000285; ABE58701.1; -; Genomic_DNA.
DR   RefSeq; WP_011506647.1; NC_007963.1.
DR   ProteinModelPortal; Q1QXV7; -.
DR   SMR; Q1QXV7; -.
DR   STRING; 290398.Csal_1346; -.
DR   EnsemblBacteria; ABE58701; ABE58701; Csal_1346.
DR   KEGG; csa:Csal_1346; -.
DR   eggNOG; ENOG4105CJ0; Bacteria.
DR   eggNOG; COG0111; LUCA.
DR   HOGENOM; HOG000234432; -.
DR   KO; K03473; -.
DR   OMA; SAPGCNA; -.
DR   OrthoDB; 1638924at2; -.
DR   BioCyc; CSAL290398:G1GJB-1381-MONOMER; -.
DR   UniPathway; UPA00244; UER00310.
DR   Proteomes; UP000000239; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0033711; F:4-phosphoerythronate dehydrogenase activity; IEA:UniProtKB-EC.
DR   GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR   GO; GO:0046983; F:protein dimerization activity; IEA:InterPro.
DR   GO; GO:0008615; P:pyridoxine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd12158; ErythrP_dh; 1.
DR   Gene3D; 3.30.1370.170; -; 1.
DR   HAMAP; MF_01825; PdxB; 1.
DR   InterPro; IPR006139; D-isomer_2_OHA_DH_cat_dom.
DR   InterPro; IPR006140; D-isomer_DH_NAD-bd.
DR   InterPro; IPR020921; Erythronate-4-P_DHase.
DR   InterPro; IPR024531; Erythronate-4-P_DHase_dimer.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   InterPro; IPR038251; PdxB_dimer_sf.
DR   PANTHER; PTHR42938:SF3; PTHR42938:SF3; 1.
DR   Pfam; PF00389; 2-Hacid_dh; 1.
DR   Pfam; PF02826; 2-Hacid_dh_C; 1.
DR   Pfam; PF11890; DUF3410; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
PE   3: Inferred from homology;
KW   Complete proteome; Cytoplasm; NAD; Oxidoreductase;
KW   Pyridoxine biosynthesis; Reference proteome.
FT   CHAIN         1    383       Erythronate-4-phosphate dehydrogenase.
FT                                /FTId=PRO_0000297437.
FT   ACT_SITE    208    208       {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   ACT_SITE    237    237       {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   ACT_SITE    254    254       Proton donor. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
FT   BINDING      45     45       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
FT   BINDING      66     66       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
FT   BINDING     146    146       NAD. {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   BINDING     175    175       NAD; via carbonyl oxygen.
FT                                {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   BINDING     232    232       NAD. {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   BINDING     257    257       NAD; via amide nitrogen.
FT                                {ECO:0000255|HAMAP-Rule:MF_01825}.
SQ   SEQUENCE   383 AA;  42298 MW;  D153E77AA5D0D068 CRC64;
     MRILVDENIP LADEFFGELG DITRLPGRDI DAAAVREQDL LVVRSITRVD AALLEGSRVR
     FVGTCTIGTD HVDLDYLREA GIGFANAPGC NADSVVDYVL SSLLLLAEED GFHLAGKTIG
     IVGVGNVGSR LAERLDDLDV ECLLCDPPRA EAEGREDFLS LDALLERAEI VCLHTPLVTE
     GEHATRHLLD ASRIDALAPG TVLINAGRGA CVDNQALRER LQRANDLRVV LDVWENEPGI
     DPALYDLVDI ATPHIAGHSI DGKMRGTELV YQAAMRQFGL PARKKLGQLK PDPWLRKIVL
     TPWAPPLEAL SLCTRACYDV RRDMLAFDRY RRRMGMATGF DAYRAEYPLR REFSTLRVEL
     KQNKGGLRDA LEGFGFKVKL SSK
//
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