3QI5	Hydrolase Dna	date	Jan 26, 2011
title	Crystal Structure Of Human Alkyladenine Dna Glycosylase In C With 3,N4-Ethenocystosine Containing Duplex Dna
authors	G.M.Lingaraju, C.A.Davis, J.W.Setser, L.D.Samson, C.L.Drennan
compound		source
Molecule: Dna-3-Methyladenine Glycosylase Chain: A, B Fragment: Delta79aag Synonym: 3-Alkyladenine Dna Glycosylase, 3-Methyladenine Dn Glycosidase, Adpg, N-Methylpurine-Dna Glycosylase; Ec: 3.2.2.21 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Mpg, Aag, Anpg, Mid1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet19b-Pps
Molecule: Dna (5'-D(Gpapcpaptpgp(Edc)Ptptpgpcpc Chain: C, E Engineered: Yes		Synthetic: Yes
Molecule: Dna (5'-D(Gpgpcpapapgpcpaptpgptpcpa) Chain: D, F Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 1	R_factor 0.236 R_Free 0.284
crystal cell	length a length b length c angle alpha angle beta angle gamma 41.226 41.220 82.144 81.23 88.40 89.15
method	X-Ray Diffraction	resolution	2.20 Å
ligand	EDC, MN	enzyme	Hydrolase E.C.3.2.2.21 BRENDA
note	3QI5 is a representative structure
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural basis for the inhibition of human alkyladenine DNA glycosylase (AAG) by 3,N4-ethenocytosine containing DNA., Lingaraju GM, Davis CA, Setser JW, Samson LD, Drennan CL, J Biol Chem. 2011 Feb 24. PMID:21349833

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk] Biological Unit Coordinates (3qi5.pdb1.gz) 45 Kb Biological Unit Coordinates (3qi5.pdb2.gz) 46 Kb LPC: Ligand-Protein Contacts for 3QI5 CSU: Contacts of Structural Units for 3QI5 Structure Factors (401 Kb) Retrieve 3QI5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3QI5 from S2C, [Save to disk] Re-refined 3qi5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3QI5 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 3QI5

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 3QI5, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3qi5_B] [3qi5_E] [3qi5_A] [3qi5_C] [3qi5_F] [3qi5_D] [3qi5] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3QI5

Community annotation for 3QI5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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