3CWU	Hydrolase Dna	date	Apr 22, 2008
title	Crystal Structure Of An Alka Hostguest Complex 2'-Fluoro-2' N6-Ethenoadenine:Thymine Base Pair
authors	B.R.Bowman, S.Lee, S.Wang, G.L.Verdine
compound		source
Molecule: Dna-3-Methyladenine Glycosylase 2 Chain: A, B, C, D Synonym: Dna-3-Methyladenine Glycosylase II, 3-Methyladenin Glycosylase II, Inducible, Tag II, Dna-3-Methyladenine Glyc II; Ec: 3.2.2.21 Engineered: Yes		Organism_scientific: Escherichia Coli Gene: Alka, Aida Expression_system: Escherichia Coli Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet30
Molecule: Dna (5'-D(Dgpdapdcpdapdtpdgpdap(2fe) Pdtpdgpdcpdc)-3'); Chain: E, G Engineered: Yes Other_details: 2'-Fluoro-2'-Deoxy-1,N6-Ethenoadenine Contai		Synthetic: Yes
Molecule: Dna (5'-D(Dgpdgpdcpdapdtpdtpdcpdapdtpdg 3'); Chain: F, H Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 1 21 1	R_factor 0.213 R_Free 0.273
crystal cell	length a length b length c angle alpha angle beta angle gamma 74.938 100.742 102.978 90.00 93.86 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	2FE	enzyme	Hydrolase E.C.3.2.2.21 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Structure of the E. coli DNA glycosylase AlkA bound to the ends of duplex DNA: a system for the structure determination of lesion-containing DNA., Bowman BR, Lee S, Wang S, Verdine GL, Structure. 2008 Aug 6;16(8):1166-74. PMID:18682218

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (200 Kb) [Save to disk] Biological Unit Coordinates (3cwu.pdb1.gz) 195 Kb LPC: Ligand-Protein Contacts for 3CWU CSU: Contacts of Structural Units for 3CWU Likely Quarternary Molecular Structure file(s) for 3CWU Structure Factors (276 Kb) Retrieve 3CWU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CWU from S2C, [Save to disk] Re-refined 3cwu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CWU 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 3CWU

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 3CWU, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3cwu_B] [3cwu] [3cwu_F] [3cwu_G] [3cwu_A] [3cwu_D] [3cwu_E] [3cwu_H] [3cwu_C] SWISS-PROT database: [P04395] Domain organization of [3MG2_ECOLI] by SWISSPFAM Domains found in 3CWU: [AlkA_N] [ENDO3c ] by SMART

Other resources with information on 3CWU

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

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