3DAU	Oxidoreductase	date	May 30, 2008
title	Crystal Structure Of The Ternary Mtx Nadph Complex Of Escher Dihydrofolate Reductase
authors	B.C.Bennett, C.G.Dealwis
compound		source
Molecule: Dihydrofolate Reductase Chain: A Ec: 1.5.1.3 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 83333 Strain: K12 Gene: Fola, Tmra, B0048, Jw0047 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_vector: Pet Expression_system_plasmid: Champion Pet-Sumo
symmetry	Space Group: P 32 2 1	R_factor 0.159 R_Free 0.186
crystal cell	length a length b length c angle alpha angle beta angle gamma 61.847 61.847 104.740 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.50 Å
ligand	MTX, NDP BindingDB	enzyme	Oxidoreductase E.C.1.5.1.3 BRENDA
note	3DAU is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	X-ray structure of the ternary MTX.NADPH complex of the anthrax dihydrofolate reductase: a pharmacophore for dual-site inhibitor design., Bennett BC, Wan Q, Ahmad MF, Langan P, Dealwis CG, J Struct Biol. 2009 May;166(2):162-71. PMID:19374017

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (65 Kb) [Save to disk] Biological Unit Coordinates (3dau.pdb1.gz) 60 Kb LPC: Ligand-Protein Contacts for 3DAU CSU: Contacts of Structural Units for 3DAU Likely Quarternary Molecular Structure file(s) for 3DAU Structure Factors (948 Kb) Retrieve 3DAU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3DAU from S2C, [Save to disk] Re-refined 3dau structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3DAU 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 3DAU

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3DAU, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3dau] [3dau_A] SWISS-PROT database: [P0ABQ4] Domain organization of [DYR_ECOLI] by SWISSPFAM

Other resources with information on 3DAU

Community annotation for 3DAU at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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