1OHK Oxidoreductase date Sep 17, 1997
title Human Dihydrofolate Reductase, Orthorhombic (P21 21 21) Crys
authors V.Cody, N.Galitsky, J.R.Luft, W.Pangborn
compound source
Molecule: Dihydrofolate Reductase
Chain: A
Synonym: Dhfr
Ec: 1.5.1.3
Engineered: Yes
Other_details: Complexed With Nadph And Pt523 Na-(4-Amino-4 Deoxypteroyl)-Nd-Hemiphthaloyl-L-Ornithine
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Potential
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm107
symmetry Space Group: P 21 21 21
R_factor 0.218 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
36.904 69.191 69.952 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
ligand COP, NDP BindingDB enzyme Oxidoreductase E.C.1.5.1.3 BRENDA
related structures by homologous chain: 1OHJ, 1U70
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceComparison of two independent crystal structures of human dihydrofolate reductase ternary complexes reduced with nicotinamide adenine dinucleotide phosphate and the very tight-binding inhibitor PT523., Cody V, Galitsky N, Luft JR, Pangborn W, Rosowsky A, Blakley RL, Biochemistry 1997 Nov 11;36(45):13897-903. PMID:9374868
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (39 Kb) [Save to disk]
  • Biological Unit Coordinates (1ohk.pdb1.gz) 34 Kb
  • LPC: Ligand-Protein Contacts for 1OHK
  • CSU: Contacts of Structural Units for 1OHK
  • Likely Quarternary Molecular Structure file(s) for 1OHK
  • Retrieve 1OHK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1OHK from S2C, [Save to disk]
  • View 1OHK 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 1OHK
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1OHK, from MSDmotif at EBI
  • Genome occurence of 1OHK's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ohk__, 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: [1ohk_A] [1ohk]
  • SWISS-PROT database: [P00374]
  • Domain organization of [DYR_HUMAN] by SWISSPFAM
  • Other resources with information on 1OHK
  • Community annotation for 1OHK 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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