ID   E4PD_KLEP7              Reviewed;         342 AA.
AC   A6TDT2;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   03-AUG-2022, entry version 84.
DE   RecName: Full=D-erythrose-4-phosphate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01640};
DE            Short=E4PDH {ECO:0000255|HAMAP-Rule:MF_01640};
DE            EC=1.2.1.72 {ECO:0000255|HAMAP-Rule:MF_01640};
GN   Name=epd {ECO:0000255|HAMAP-Rule:MF_01640};
GN   OrderedLocusNames=KPN78578_32920; ORFNames=KPN_03356;
OS   Klebsiella pneumoniae subsp. pneumoniae (strain ATCC 700721 / MGH 78578).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella.
OX   NCBI_TaxID=272620;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700721 / MGH 78578;
RG   The Klebsiella pneumonia Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Spieth J., Clifton W.S., Latreille P.,
RA   Sabo A., Pepin K., Bhonagiri V., Porwollik S., Ali J., Wilson R.K.;
RL   Submitted (SEP-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the NAD-dependent conversion of D-erythrose 4-
CC       phosphate to 4-phosphoerythronate. {ECO:0000255|HAMAP-Rule:MF_01640}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-erythrose 4-phosphate + H2O + NAD(+) = 4-phospho-D-
CC         erythronate + 2 H(+) + NADH; Xref=Rhea:RHEA:12056, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:16897, ChEBI:CHEBI:57540,
CC         ChEBI:CHEBI:57945, ChEBI:CHEBI:58766; EC=1.2.1.72;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01640};
CC   -!- PATHWAY: Cofactor biosynthesis; pyridoxine 5'-phosphate biosynthesis;
CC       pyridoxine 5'-phosphate from D-erythrose 4-phosphate: step 1/5.
CC       {ECO:0000255|HAMAP-Rule:MF_01640}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01640}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01640}.
CC   -!- SIMILARITY: Belongs to the glyceraldehyde-3-phosphate dehydrogenase
CC       family. Epd subfamily. {ECO:0000255|HAMAP-Rule:MF_01640}.
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DR   EMBL; CP000647; ABR78753.1; -; Genomic_DNA.
DR   RefSeq; WP_015958963.1; NC_009648.1.
DR   AlphaFoldDB; A6TDT2; -.
DR   SMR; A6TDT2; -.
DR   STRING; 272620.KPN_03356; -.
DR   EnsemblBacteria; ABR78753; ABR78753; KPN_03356.
DR   KEGG; kpn:KPN_03356; -.
DR   HOGENOM; CLU_030140_0_0_6; -.
DR   OMA; YVQITTI; -.
DR   UniPathway; UPA00244; UER00309.
DR   Proteomes; UP000000265; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0048001; F:erythrose-4-phosphate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR   GO; GO:0042823; P:pyridoxal phosphate biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0008615; P:pyridoxine biosynthetic process; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01640; E4P_dehydrog; 1.
DR   InterPro; IPR006422; E4P_DH_bac.
DR   InterPro; IPR020831; GlycerAld/Erythrose_P_DH.
DR   InterPro; IPR020830; GlycerAld_3-P_DH_AS.
DR   InterPro; IPR020829; GlycerAld_3-P_DH_cat.
DR   InterPro; IPR020828; GlycerAld_3-P_DH_NAD(P)-bd.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   PANTHER; PTHR43148; PTHR43148; 1.
DR   Pfam; PF02800; Gp_dh_C; 1.
DR   Pfam; PF00044; Gp_dh_N; 1.
DR   PIRSF; PIRSF000149; GAP_DH; 1.
DR   PRINTS; PR00078; G3PDHDRGNASE.
DR   SMART; SM00846; Gp_dh_N; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   TIGRFAMs; TIGR01532; E4PD_g-proteo; 1.
DR   PROSITE; PS00071; GAPDH; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; NAD; Oxidoreductase; Pyridoxine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..342
FT                   /note="D-erythrose-4-phosphate dehydrogenase"
FT                   /id="PRO_1000069896"
FT   ACT_SITE        155
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01640"
FT   BINDING         12..13
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01640"
FT   BINDING         154..156
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01640"
FT   BINDING         200
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01640"
FT   BINDING         213..214
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01640"
FT   BINDING         236
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01640"
FT   BINDING         318
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01640"
FT   SITE            182
FT                   /note="Activates thiol group during catalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01640"
SQ   SEQUENCE   342 AA;  37481 MW;  583D3261F240801E CRC64;
     MTIRIAINGF GRIGRNVVRA LYESGRRAEI TVVAINELAD AAGIAHLLKY DTSHGRFAWD
     VRQEREQLFV GDDSIRLLHE PTIAALPWRE LAVDVVLDCT GVYGSREHGE AHLQAGAKKV
     LFSHPGGNDL DATVVYGVNQ DELRAGHRIV SNASCTTNCI IPIIKLLDDA YGIESGTVTT
     IHSAMHDQQV IDAYHPDLRR TRAASQSIIP VDTKLAAGIT RIFPQFNDRF EAIAVRVPTI
     NVTAIDLSVT VKKPVKACEV NQLLQKAAQG AFHGIVDYTE LPLVSTDFNH DPHSAIVDGT
     QTRVSGAHLI KTLVWCDNEW GFANRMLDTT LAMAAIGFRF DA