7DFR	Oxidoreductase	date	Oct 21, 1988
title	Crystal Structures Of Escherichia Coli Dihydrofolate Reducta Nadp+ Holoenzyme And The Folate(Dot)Nadp+ Ternary Complex. Binding And A Model For The Transition State
authors	C.Bystroff, S.J.Oatley, J.Kraut
compound		source
Molecule: Dihydrofolate Reductase Chain: A Ec: 1.5.1.3 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: P 32 2 1	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.207 62.207 105.525 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	FOL, NAP	enzyme	Oxidoreductase E.C.1.5.1.3 BRENDA
note	7DFR (Molecule of the Month:pdb34)
related structures	by homologous chain: 1RD7, 1TDR
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of Escherichia coli dihydrofolate reductase: the NADP+ holoenzyme and the folate.NADP+ ternary complex. Substrate binding and a model for the transition state., Bystroff C, Oatley SJ, Kraut J, Biochemistry 1990 Apr 3;29(13):3263-77. PMID:2185835

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (35 Kb) [Save to disk] Biological Unit Coordinates (7dfr.pdb1.gz) 30 Kb LPC: Ligand-Protein Contacts for 7DFR CSU: Contacts of Structural Units for 7DFR Likely Quarternary Molecular Structure file(s) for 7DFR Retrieve 7DFR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 7DFR from S2C, [Save to disk]

View 7DFR 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 7DFR

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 7DFR, from MSDmotif at EBI Genome occurence of 7DFR's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d7dfr__, region [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [7dfr] [7dfr_A] SWISS-PROT database: [P0ABQ4] Domain organization of [DYR_ECOLI] by SWISSPFAM

Other resources with information on 7DFR

Community annotation for 7DFR at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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