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Database: UniProt
Entry: A1S7K2
LinkDB: A1S7K2
Original site: A1S7K2 
ID   PDXB_SHEAM              Reviewed;         375 AA.
AC   A1S7K2;
DT   24-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   16-JAN-2019, entry version 81.
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=Sama_2153;
OS   Shewanella amazonensis (strain ATCC BAA-1098 / SB2B).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=326297;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1098 / SB2B;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H.,
RA   Pitluck S., Munk A.C., Brettin T., Bruce D., Han C., Tapia R.,
RA   Gilna P., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Mikhailova N., Fredrickson J., Richardson P.;
RT   "Complete sequence of Shewanella amazonensis SB2B.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000507; ABM00359.1; -; Genomic_DNA.
DR   RefSeq; WP_011760266.1; NC_008700.1.
DR   ProteinModelPortal; A1S7K2; -.
DR   SMR; A1S7K2; -.
DR   STRING; 326297.Sama_2153; -.
DR   EnsemblBacteria; ABM00359; ABM00359; Sama_2153.
DR   KEGG; saz:Sama_2153; -.
DR   eggNOG; ENOG4105CJ0; Bacteria.
DR   eggNOG; COG0111; LUCA.
DR   HOGENOM; HOG000234432; -.
DR   KO; K03473; -.
DR   OMA; SAPGCNA; -.
DR   OrthoDB; 1638924at2; -.
DR   BioCyc; SAMA326297:G1G7Q-2264-MONOMER; -.
DR   UniPathway; UPA00244; UER00310.
DR   Proteomes; UP000009175; 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; IPR029753; D-isomer_DH_CS.
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.
DR   PROSITE; PS00671; D_2_HYDROXYACID_DH_3; 1.
PE   3: Inferred from homology;
KW   Complete proteome; Cytoplasm; NAD; Oxidoreductase;
KW   Pyridoxine biosynthesis; Reference proteome.
FT   CHAIN         1    375       Erythronate-4-phosphate dehydrogenase.
FT                                /FTId=PRO_0000297465.
FT   ACT_SITE    209    209       {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   ACT_SITE    238    238       {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   ACT_SITE    255    255       Proton donor. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
FT   BINDING      45     45       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
FT   BINDING      67     67       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
FT   BINDING     147    147       NAD. {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   BINDING     233    233       NAD. {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   BINDING     258    258       NAD; via amide nitrogen.
FT                                {ECO:0000255|HAMAP-Rule:MF_01825}.
FT   BINDING     259    259       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
SQ   SEQUENCE   375 AA;  41860 MW;  753CB481F196911B CRC64;
     MKIIADENMP YVDVLFGELG EIEYVNGRTL APEQLADADV LLVRSVTQVN EALLCQNQQL
     KFVGSATIGT DHVDTAYLKS RGIPFTNAPG CNATAVGEYA FIAMLELAQR YRQPLKDKKV
     AVIGAGNTGT ATARCLEAYG VEHRLCDPVL AAQGDNRQFY ELDELIAWAD VISLHVPITK
     GGDHPTWYLF DQQRLEALKT GAWLLNCCRG EVIDNRALIE VKQRRVDIKL VLDVWEGEPS
     PMLALVPLVD IATPHIAGYS LEGKARGTFM LYEALCRVMG KTGENSFHSL LPPFFLGSMQ
     VRELGDERAL LTLCRTVYDL RDDDIHFRQS GTDRLGFDKM RKNHRHRREF SALKLENAKG
     SEVNWLSFLG FSNVG
//
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