1LUD	Oxidoreductase	date	May 22, 2002
title	Solution Structure Of Dihydrofolate Reductase Complexed With Trimethoprim And Nadph, 24 Structures
authors	V.I.Polshakov, E.G.Smirnov, B.Birdsall, G.Kelly, J.Feeney
compound		source
Molecule: Dihydrofolate Reductase Chain: A Ec: 1.5.1.3 Engineered: Yes		Organism_scientific: Lactobacillus Casei Organism_taxid: 1582 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Nf1 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmt702
method	Solution NMR
ligand	NDP, TRR	enzyme	Oxidoreductase E.C.1.5.1.3 BRENDA
related structures	by homologous chain: 1AO8
Gene Ontology	Chain Function Process Component A
Primary reference	Structure and dynamics in solution of the complex of Lactobacillus casei dihydrofolate reductase with the new lipophilic antifolate drug trimetrexate., Polshakov VI, Birdsall B, Frenkiel TA, Gargaro AR, Feeney J, Protein Sci. 1999 Mar;8(3):467-81. PMID:10091649

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1074 Kb) [Save to disk] Biological Unit Coordinates (1lud.pdb1.gz) 47 Kb LPC: Ligand-Protein Contacts for 1LUD CSU: Contacts of Structural Units for 1LUD Original NMR restraints for 1LUD from PDB Retrieve 1LUD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LUD from S2C, [Save to disk]

View 1LUD 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 1LUD

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1LUD, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1luda_, region A [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: [1lud_A] [1lud] SWISS-PROT database: [P00381] Domain organization of [DYR_LACCA] by SWISSPFAM

Other resources with information on 1LUD

Community annotation for 1LUD at PDBWiki (http://pdbwiki.org) NMR Ensemble (OLDERADO: core, domain and representative structure database) MMDB (Entrez's Structure Database)

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