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PDBsum entry 2nnl

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protein ligands links
Oxidoreductase PDB id
2nnl
Jmol
Contents
Protein chains
324 a.a. *
Ligands
NAP ×2
ERD ×2
Waters ×558
* Residue conservation analysis
PDB id:
2nnl
Name: Oxidoreductase
Title: Binding of two substrate analogue molecules to dihydroflavonol-4-reductase alters the functional geometry of the catalytic site
Structure: Dihydroflavonol 4-reductase. Chain: d, f. Engineered: yes
Source: Vitis vinifera. Organism_taxid: 29760. Gene: dfr1. Expressed in: escherichia coli. Expression_system_taxid: 562.
Resolution:
2.10Å     R-factor:   0.192     R-free:   0.242
Authors: P.Petit,B.Langlois D'Estaintot,T.Granier,B.Gallois
Key ref: P.Petit et al. Binding of two substrate analogue molecules to dihydroflavonol-4-Reductase alters the functional geometry of the catalytic site. To be published, .
Date:
24-Oct-06     Release date:   13-Nov-07    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chains
Pfam   ArchSchema ?
P51110  (DFRA_VITVI) -  Dihydroflavonol-4-reductase
Seq:
Struc:
337 a.a.
324 a.a.*
Key:    PfamA domain  Secondary structure  CATH domain
* PDB and UniProt seqs differ at 3 residue positions (black crosses)

 Enzyme reactions 
   Enzyme class: E.C.1.1.1.219  - Dihydrokaempferol 4-reductase.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]

      Pathway:
Flavonoid Biosynthesis
      Reaction: Cis-3,4-leucopelargonidin + NADP+ = +-dihydrokaempferol + NADPH
Cis-3,4-leucopelargonidin
Bound ligand (Het Group name = ERD)
matches with 90.00% similarity
+
NADP(+)
Bound ligand (Het Group name = NAP)
corresponds exactly
= (+)-dihydrokaempferol
+ NADPH
Molecule diagrams generated from .mol files obtained from the KEGG ftp site
 Gene Ontology (GO) functional annotation 
  GO annot!
  Cellular component     extrinsic to endoplasmic reticulum membrane   1 term 
  Biological process     cellular metabolic process   6 terms 
  Biochemical function     catalytic activity     4 terms