2ANQ	Oxidoreductase	date	Aug 11, 2005
title	Crystal Structure Of E.Coli Dhfr In Complex With Nadph And T Inhibitor Compound 10a.
authors	R.L.Summerfield, D.M.Daigle, S.Mayer, S.G.Jackson, M.Organ, D.W.H E.D.Brown, M.S.Junop
compound		source
Molecule: Dihydrofolate Reductase Chain: A Ec: 1.5.1.3 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Fola, Tmra Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pfw117.1 Dhfr
symmetry	Space Group: P 21 21 21	R_factor 0.233 R_Free 0.256
crystal cell	length a length b length c angle alpha angle beta angle gamma 34.000 44.720 98.050 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.13 Å
ligand	C1A, MN, NDP BindingDB	enzyme	Oxidoreductase E.C.1.5.1.3 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	A 2.13 A Structure of E. coli Dihydrofolate Reductase Bound to a Novel Competitive Inhibitor Reveals a New Binding Surface Involving the M20 Loop Region., Summerfield RL, Daigle DM, Mayer S, Mallik D, Hughes DW, Jackson SG, Sulek M, Organ MG, Brown ED, Junop MS, J Med Chem. 2006 Nov 30;49(24):6977-6986. PMID:17125251

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (43 Kb) [Save to disk] Biological Unit Coordinates (2anq.pdb1.gz) 38 Kb LPC: Ligand-Protein Contacts for 2ANQ CSU: Contacts of Structural Units for 2ANQ Likely Quarternary Molecular Structure file(s) for 2ANQ Structure Factors (99 Kb) Retrieve 2ANQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2ANQ from S2C, [Save to disk] Re-refined 2anq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2ANQ 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 2ANQ

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 2ANQ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2anq_A] [2anq] SWISS-PROT database: [P0ABQ4] Domain organization of [DYR_ECOLI] by SWISSPFAM

Other resources with information on 2ANQ

Community annotation for 2ANQ at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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