3NXX Oxidoreductase date Jul 14, 2010
title Preferential Selection Of Isomer Binding From Chiral Mixture Alternate Binding Modes Observed For The E- And Z-Isomers O Of 5-Substituted 2,4-Diaminofuro-2,3-D]Pyrimidines As Terna Complexes With Nadph And Human Dihydrofolate Reductase
authors V.Cody
compound source
Molecule: Dihydrofolate Reductase
Chain: A
Ec: 1.5.1.3
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Dhfr, Dhfrp1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
symmetry Space Group: H 3
R_factor 0.188 R_Free 0.208
crystal
cell
length a length b length c angle alpha angle beta angle gamma
84.351 84.351 77.656 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.35 Å
ligand D2D, NDP BindingDB enzyme Oxidoreductase E.C.1.5.1.3 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referencePreferential selection of isomer binding from chiral mixtures: alternate binding modes observed for the E and Z isomers of a series of 5-substituted 2,4-diaminofuro[2,3-d]pyrimidines as ternary complexes with NADPH and human dihydrofolate reductase., Cody V, Piraino J, Pace J, Li W, Gangjee A, Acta Crystallogr D Biol Crystallogr. 2010 Dec;66(Pt 12):1271-7. Epub 2010, Nov 16. PMID:21123866
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (43 Kb) [Save to disk]
  • Biological Unit Coordinates (3nxx.pdb1.gz) 37 Kb
  • LPC: Ligand-Protein Contacts for 3NXX
  • CSU: Contacts of Structural Units for 3NXX
  • Structure Factors (621 Kb)
  • Retrieve 3NXX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3NXX from S2C, [Save to disk]
  • Re-refined 3nxx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3NXX in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 3NXX
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 3NXX, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3nxx] [3nxx_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3NXX
  • Community annotation for 3NXX at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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