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Reviewed, UniProtKB/Swiss-Prot Q492H2 (PDXB_BLOPB)

Last modified June 16, 2009. Version 32. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data | Customize display text xml rdf/xml gff fasta
Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents

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Names and origin

Protein namesRecommended name:
    Erythronate-4-phosphate dehydrogenase
    EC=1.1.1.290
Gene names
Name: pdxB
Ordered Locus Names: BPEN_513
OrganismBlochmannia pennsylvanicus (strain BPEN) [Complete proteome] [HAMAP]
Taxonomic identifier291272 [NCBI]
Taxonomic lineageBacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › ant endosymbionts › Candidatus Blochmannia

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Protein attributes

Sequence length374 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is not processed.
Protein existenceInferred from homology.

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General annotation (Comments)

Function

Catalyzes the oxidation of erythronate-4-phosphate to 3-hydroxy-2-oxo-4-phosphonooxybutanoate By similarity.

Catalytic activity

4-phospho-D-erythronate + NAD+ = (3R)-3-hydroxy-2-oxo-4-phosphonooxybutanoate + NADH. HAMAP MF_01825

Pathway

Cofactor biosynthesis; pyridoxine 5'-phosphate biosynthesis; pyridoxine 5'-phosphate from D-erythrose 4-phosphate: step 2/5. HAMAP MF_01825

Subunit structure

Homodimer By similarity.

Subcellular location

Cytoplasm Potential.

Sequence similarities

Belongs to the D-isomer specific 2-hydroxyacid dehydrogenase family. PdxB subfamily.

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Ontologies

Keywords
   Biological processPyridoxine biosynthesis
   Cellular componentCytoplasm
   LigandNAD
   Molecular functionOxidoreductase
   Technical termComplete proteome
Gene Ontology (GO)
   Biological processoxidation reduction

Inferred from electronic annotation. Source: UniProtKB-KW

pyridoxine biosynthetic process

Inferred from electronic annotation. Source: HAMAP

   Cellular componentcytoplasm

Inferred from electronic annotation. Source: UniProtKB-SubCell

   Molecular function4-phosphoerythronate dehydrogenase activity

Inferred from electronic annotation. Source: EC

NAD or NADH binding

Inferred from electronic annotation. Source: InterPro

Complete GO annotation...

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Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 374374Erythronate-4-phosphate dehydrogenase HAMAP MF_01825
PRO_0000297436

Sites

Active site2081 By similarity
Active site2371 By similarity
Active site2541Proton donor By similarity
Binding site451Substrate By similarity
Binding site661Substrate By similarity
Binding site1461NAD By similarity
Binding site1751NAD; via carbonyl oxygen By similarity
Binding site2321NAD By similarity
Binding site2571NAD; via amide nitrogen By similarity
Binding site2581Substrate By similarity

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Sequences

Sequence LengthMass (Da)Tools
Q492H2-1 [UniParc].

Last modified September 13, 2005. Version 1.
Checksum: C4C87EB6BABCFEC8

FASTA37442,474
        10         20         30         40         50         60 
MRILADKNIP HIFKLFGLHN TVTICEGRGI SAKDVRDIDI LIVRSVTKVN KLLLDDSSVK 

        70         80         90        100        110        120 
FVGTATAGVD HIDQNYLKKY GINFVYAPGN NAVAVVEYVF SALLWLAQRG RFFLRDKIVG 

       130        140        150        160        170        180 
IVGVGHIGSL LNERLRNFGI HTLLCDPPLE KINSSKPWKS FETLVAEADI LTFHTPLIYY 

       190        200        210        220        230        240 
GDYPTWHMVD IDVLEALPSN RILINTCRGS VIDNNALLKV LENGKKLNVI LDVWETEPEL 

       250        260        270        280        290        300 
SLPLLSYADI GTPHIAGYST ESKTRSILQI YNAYCNFFNI FNVINLSALD SPVIYYLRVQ 

       310        320        330        340        350        360 
KEIDETLLHK LVKFVYNIQY DDVILRRFAA KSGGFDKIRK HYLARREWSS LRVETYIDSN 

       370 
NEILTKLGFN VCCV

« Hide

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References

[1]"Genome sequence of Blochmannia pennsylvanicus indicates parallel evolutionary trends among bacterial mutualists of insects."
Degnan P.H., Lazarus A.B., Wernegreen J.J.
Genome Res. 15:1023-1033(2005) [PubMed: 16077009] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

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Cross-references

Sequence databases

CP000016 Genomic DNA. Translation: AAZ41127.1.
RefSeqYP_278004.1.

3D structure databases

ModBaseSearch...

Genome annotation databases

GeneID3563030.
GenomeReviewsGene locus BPEN_513 in contig CP000016_GR.
KEGGbpn:BPEN_513.

Organism-specific databases

CMRSearch...

Phylogenomic databases

HOGENOMQ492H2.
OMAQ492H2. SAPGCNA.

Enzyme and pathway databases

BioCycCBLO291272:BPEN_513-MON.

Family and domain databases

HAMAPMF_01825.
[Tree]
InterProIPR006139. D-isomer_2_OHA_DH.
IPR006140. D-isomer_2_OHA_DH_NAD-bd.
IPR016040. NAD(P)-bd_dom.
[Graphical view]
Gene3DG3DSA:3.40.50.720. NAD(P)-bd. 1 hit.
PfamPF00389. 2-Hacid_dh. 1 hit.
PF02826. 2-Hacid_dh_C. 1 hit.
[Graphical view]
PROSITEPS00065. D_2_HYDROXYACID_DH_1. 1 hit.
PS00670. D_2_HYDROXYACID_DH_2. False negative.
PS00671. D_2_HYDROXYACID_DH_3. 1 hit.
[Graphical view]
ProtoNetSearch...

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Entry information

Entry namePDXB_BLOPB
AccessionPrimary (citable) accession number: Q492H2
Entry history
Integrated into UniProtKB/Swiss-Prot: July 24, 2007
Last sequence update: September 13, 2005
Last modified: June 16, 2009
This is version 32 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation projectHAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)

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Relevant documents

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families

Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents