Reviewed, UniProtKB/Swiss-Prot A1AFB1 (E4PD_ECOK1)

Names and origin

Protein names

Recommended name:
    D-erythrose-4-phosphate dehydrogenase
      Short name=E4PDH
    EC=1.2.1.72

Gene names

Name:	epd
Ordered Locus Names:	Ecok1_28570
ORF Names:	APECO1_3606

Organism

Escherichia coli O1:K1 / APEC [Complete proteome] [HAMAP]

Taxonomic identifier

405955 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	339 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Catalyzes the NAD-dependent conversion of D-erythrose 4-phosphate to 4-phosphoerythronate By similarity.
Catalytic activity	D-erythrose 4-phosphate + NAD+ + H2O = 4-phosphoerythronate + NADH. HAMAP MF_01640
Pathway	Cofactor biosynthesis; pyridoxine 5'-phosphate biosynthesis; pyridoxine 5'-phosphate from D-erythrose 4-phosphate: step 1/5. HAMAP MF_01640
Subunit structure	Homotetramer By similarity.
Subcellular location	Cytoplasm By similarity.
Sequence similarities	Belongs to the glyceraldehyde-3-phosphate dehydrogenase family. Epd subfamily.

Ontologies

Keywords
Biological process	Pyridoxine biosynthesis
Cellular component	Cytoplasm
Ligand	NAD
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	glucose metabolic process Inferred from electronic annotation. Source: InterPro oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW pyridoxal phosphate biosynthetic process Inferred from electronic annotation. Source: HAMAP pyridoxine biosynthetic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	NAD or NADH binding Inferred from electronic annotation. Source: InterPro erythrose-4-phosphate dehydrogenase activity Inferred from electronic annotation. Source: HAMAP glyceraldehyde-3-phosphate dehydrogenase (phosphorylating) activity Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Initiator methionine	1	1	Removed By similarity
	Chain	2 – 339	338	D-erythrose-4-phosphate dehydrogenase HAMAP MF_01640		PRO_0000293146
Regions
	Nucleotide binding	12 – 13	2	NAD By similarity
	Region	154 – 156	3	Substrate binding Potential
	Region	213 – 214	2	Substrate binding Potential
Sites
	Active site	155	1	Nucleophile By similarity
	Binding site	81	1	NAD; via carbonyl oxygen By similarity
	Binding site	200	1	Substrate Potential
	Binding site	236	1	Substrate Potential
	Binding site	318	1	NAD By similarity
	Site	182	1	Activates thiol group during catalysis By similarity

Sequences

	Sequence		Length	Mass (Da)
	A1AFB1-1 [UniParc]. Last modified January 23, 2007. Version 1. Checksum: BE77BF793D9F09BD	FASTA	339	37,299
	10 20 30 40 50 60 MTVRVAINGF GRIGRNVVRA LYESGRRAEI TVVAINELAD AAGMAHLLKY DTSHGRFAWE 70 80 90 100 110 120 VRQERDQLFV GDDAIRVLHE RSLQSLPWRE LGVDVVLDCT GVYGSREHGE AHIAAGAKKV 130 140 150 160 170 180 LFSHPGSNDL DTTVVYGVNQ DQLRAEHRIV SNASCTTNCI IPVIKLLDDA YGIESGTVTT 190 200 210 220 230 240 IHSAMHDQQV IDAYHPDLRR TRAASQSIIP VDTKLAAGIT RFFPQFNDRF EAIAVRVPTI 250 260 270 280 290 300 NVTAIDLSVT VKKPVKANEV NLLLQKAAQG AFHGIVDYAE LPLVSVDFNH DPHSAIVDGT 310 320 330 QTRVSGAHLI KTLVWCDNEW GFANRMLDTT LAMATVAFR

References

[1]

"The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7 shares strong similarities with human extraintestinal pathogenic E. coli genomes." Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J., Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K. J. Bacteriol. 189:3228-3236(2007) [PubMed: 17293413] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000468 Genomic DNA. Translation: ABJ02351.1.
RefSeq	YP_854140.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	A1AFB1.
Genome annotation databases
GeneID	4495158.
GenomeReviews	Gene locus Ecok1_28570 in contig CP000468_GR.
KEGG	ecv:APECO1_3606.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	AMDLSVT.
Family and domain databases
HAMAP	MF_01640. [Tree]
InterPro	IPR006422. E4P_DH_bac. IPR000173. GlycerAld_3-P_DH. IPR016040. NAD(P)-bd_dom. [Graphical view]
Gene3D	G3DSA:3.40.50.720. NAD(P)-bd. 1 hit.
PANTHER	PTHR10836. GAP_DH. 1 hit.
Pfam	PF02800. Gp_dh_C. 1 hit. PF00044. Gp_dh_N. 1 hit. [Graphical view]
PIRSF	PIRSF000149. GAP_DH. 1 hit.
PRINTS	PR00078. G3PDHDRGNASE.
TIGRFAMs	TIGR01532. E4PD_g-proteo. 1 hit.
PROSITE	PS00071. GAPDH. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

E4PD_ECOK1

Accession

Primary (citable) accession number: A1AFB1

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 10, 2007
Last sequence update:	January 23, 2007
Last modified:	November 3, 2009
This is version 24 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)