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Database: UniProt
Entry: A8ADQ9
LinkDB: A8ADQ9
Original site: A8ADQ9 
ID   PDXB_CITK8              Reviewed;         378 AA.
AC   A8ADQ9;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   16-JAN-2019, entry version 76.
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=CKO_00466;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) 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; CP000822; ABV11622.1; -; Genomic_DNA.
DR   RefSeq; WP_012131449.1; NC_009792.1.
DR   ProteinModelPortal; A8ADQ9; -.
DR   SMR; A8ADQ9; -.
DR   STRING; 290338.CKO_00466; -.
DR   PRIDE; A8ADQ9; -.
DR   EnsemblBacteria; ABV11622; ABV11622; CKO_00466.
DR   KEGG; cko:CKO_00466; -.
DR   eggNOG; ENOG4105CJ0; Bacteria.
DR   eggNOG; COG0111; LUCA.
DR   HOGENOM; HOG000234432; -.
DR   KO; K03473; -.
DR   OMA; SAPGCNA; -.
DR   OrthoDB; 1638924at2; -.
DR   BioCyc; CKOS290338:G1G9Z-418-MONOMER; -.
DR   UniPathway; UPA00244; UER00310.
DR   Proteomes; UP000008148; 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; IPR029752; D-isomer_DH_CS1.
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; PS00065; D_2_HYDROXYACID_DH_1; 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    378       Erythronate-4-phosphate dehydrogenase.
FT                                /FTId=PRO_1000088414.
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}.
FT   BINDING     258    258       Substrate. {ECO:0000255|HAMAP-
FT                                Rule:MF_01825}.
SQ   SEQUENCE   378 AA;  41017 MW;  92131F4B731A0B15 CRC64;
     MKILVDENMP YARELFSRLG EVKAVPGRPI PVAELDDADA LMVRSVTKVN EALLGGKSIK
     FVGTATAGTD HVDEAWLKQA GVGFSAAPGC NAIAVVEYVF SALLMLAERD GFALSDRTVG
     IVGVGNVGAR LQARLEALGI RTLLCDPPRA DRGDEGDFRS LDELVQEADI LTFHTPLYKE
     GPYKTLHLAD EALIGRLKPG TILINACRGP VVDNTALLAR LNAGQSLSVV LDVWEGEPDL
     NVALLEKIDI GTSHIAGYTL EGKARGTTQV FEAYSTFIGR AQKVALDTLL PAPEFGRITL
     HGPLDQPTLK RLAHLVYDVR RDDAPLRKVA GIPGEFDKLR KNYLERREWS SLYVMCDDAS
     AATLLHKLGF NAVHHPAH
//
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