3KJS	Oxidoreductase,Transferase	date	Nov 03, 2009
title	Crystal Structure Of T. Cruzi Dhfr-Ts With 3 High Affinity D Inhibitors: Dq1 Inhibitor Complex
authors	N.Schormann, O.Senkovich, D.Chattopadhyay
compound		source
Molecule: Dihydrofolate Reductase-Thymidylate Synthase Chain: A, B, C, D Ec: 1.5.1.3, 2.1.1.45 Engineered: Yes		Organism_scientific: Trypanosoma Cruzi Organism_taxid: 5693 Strain: Y Gene: Dhfrts Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Rosetta(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
symmetry	Space Group: P 43 21 2	R_factor 0.200 R_Free 0.234
crystal cell	length a length b length c angle alpha angle beta angle gamma 175.620 175.620 249.905 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	DQ1, EDO, NAP, SO4 BindingDB	enzyme	Oxidoreductase E.C.1.5.1.3 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Synthesis and characterization of potent inhibitors of Trypanosoma cruzi dihydrofolate reductase., Schormann N, Velu SE, Murugesan S, Senkovich O, Walker K, Chenna BC, Shinkre B, Desai A, Chattopadhyay D, Bioorg Med Chem. 2010 Jun 1;18(11):4056-66. Epub 2010 Apr 9. PMID:20452776

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (674 Kb) [Save to disk] Biological Unit Coordinates (3kjs.pdb1.gz) 334 Kb Biological Unit Coordinates (3kjs.pdb2.gz) 338 Kb LPC: Ligand-Protein Contacts for 3KJS CSU: Contacts of Structural Units for 3KJS Structure Factors (2056 Kb) Retrieve 3KJS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3KJS from S2C, [Save to disk] Re-refined 3kjs structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3KJS 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 3KJS

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 3KJS, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3kjs_D] [3kjs_C] [3kjs_A] [3kjs] [3kjs_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3KJS

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

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