1DHF	Oxidoreductase	date	Oct 25, 1989
title	Crystal Structures Of Recombinant Human Dihydrofolate Reduct Complexed With Folate And 5-Deazofolate
authors	J.F.Davies Ii, J.Kraut
compound		source
Molecule: Dihydrofolate Reductase Chain: A, B Ec: 1.5.1.3 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
symmetry	Space Group: P 1	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.100 38.700 76.900 94.30 91.70 111.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	FOL	enzyme	Oxidoreductase E.C.1.5.1.3 BRENDA
related structures	by homologous chain: 1DLR, 2DHF
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structures of recombinant human dihydrofolate reductase complexed with folate and 5-deazafolate., Davies JF 2nd, Delcamp TJ, Prendergast NJ, Ashford VA, Freisheim JH, Kraut J, Biochemistry 1990 Oct 9;29(40):9467-79. PMID:2248959

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk] Biological Unit Coordinates (1dhf.pdb1.gz) 63 Kb LPC: Ligand-Protein Contacts for 1DHF CSU: Contacts of Structural Units for 1DHF Likely Quarternary Molecular Structure file(s) for 1DHF Retrieve 1DHF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DHF from S2C, [Save to disk]

View 1DHF 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 1DHF

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1DHF, from MSDmotif at EBI Genome occurence of 1DHF's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dhfa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1dhfb_, region B [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: [1dhf_B] [1dhf] [1dhf_A] SWISS-PROT database: [P00374] Domain organization of [DYR_HUMAN] by SWISSPFAM

Other resources with information on 1DHF

Community annotation for 1DHF at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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