1J3J	Oxidoreductase, Transferase	date	Feb 03, 2003
title	Double Mutant (C59r+S108n) Plasmodium Falciparum Dihydrofola Reductase-Thymidylate Synthase (Pfdhfr-Ts) Complexed With Pyrimethamine, Nadph, And Dump
authors	J.Yuvaniyama, P.Chitnumsub, S.Kamchonwongpaisan, J.Vanichtanank W.Sirawaraporn, P.Taylor, M.Walkinshaw, Y.Yuthavong
compound		source
Molecule: Bifunctional Dihydrofolate Reductase-Thymidylate Chain: A, B Fragment: Residues 1-280 Ec: 1.5.1.3, 2.1.1.45 Engineered: Yes Mutation: Yes		Organism_scientific: Plasmodium Falciparum Organism_common: Malaria Parasite P. Falciparum Organism_taxid: 5833 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Plyss
Molecule: Bifunctional Dihydrofolate Reductase-Thymidylate Chain: C, D Fragment: Residues 281-608 Ec: 1.5.1.3, 2.1.1.45 Engineered: Yes		Organism_scientific: Plasmodium Falciparum Organism_common: Malaria Parasite P. Falciparum Organism_taxid: 5833 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Plyss
symmetry	Space Group: P 21 21 21	R_factor 0.198 R_Free 0.231
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.343 154.999 164.001 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	CP6, NDP, UMP BindingDB	enzyme	Oxidoreductase E.C.1.5.1.3 BRENDA
related structures	by homologous chain: 1J3I, 1J3K
Gene Ontology	Chain Function Process Component A, B D, C
Primary reference	Insights into antifolate resistance from malarial DHFR-TS structures., Yuvaniyama J, Chitnumsub P, Kamchonwongpaisan S, Vanichtanankul J, Sirawaraporn W, Taylor P, Walkinshaw MD, Yuthavong Y, Nat Struct Biol 2003 May;10(5):357-65. PMID:12704428

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (207 Kb) [Save to disk] Biological Unit Coordinates (1j3j.pdb1.gz) 196 Kb LPC: Ligand-Protein Contacts for 1J3J CSU: Contacts of Structural Units for 1J3J Likely Quarternary Molecular Structure file(s) for 1J3J Structure Factors (551 Kb) Retrieve 1J3J in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1J3J from S2C, [Save to disk] Re-refined 1j3j structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1J3J in 3D

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Visual 3D analysis of 1J3J

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 1J3J, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1j3ja_, region A [Jmol] [rasmolscript] [script source]     - Domain d1j3jb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1j3jc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1j3jd_, region D [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: [1j3j_A] [1j3j_B] [1j3j] [1j3j_D] [1j3j_C] SWISS-PROT database: [P13922] Domain organization of [DRTS_PLAFK] by SWISSPFAM

Other resources with information on 1J3J

Community annotation for 1J3J at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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