3Q4K	Transferase Transferase Inhibitor	date	Dec 23, 2010
title	Structure Of A Small Peptide Ligand Bound To E.Coli Dna Slid
authors	P.Wolff, V.Olieric, J.P.Briand, O.Chaloin, A.Dejaegere, P.Dumas, E G.Guichard, J.Wagner, D.Burnouf
compound		source
Molecule: Dna Polymerase III Subunit Beta Chain: A, B Ec: 2.7.7.7 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 83333 Strain: K12 Gene: Dnan, B3701, Jw3678 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
Molecule: Peptide Ligand Chain: C, D Engineered: Yes		Synthetic: Yes Other_details: Chemical Synthesis
symmetry	Space Group: P 1	R_factor 0.228 R_Free 0.294
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.250 80.000 82.180 66.15 74.94 82.03
method	X-Ray Diffraction	resolution	2.60 Å
ligand	200, ACE, ALC	enzyme	Transferase E.C.2.7.7.7 BRENDA
Gene Ontology	Chain Function Process Component A, B 3'-5' exonuclease activity
Primary reference	Structure-based design of short peptide ligands binding onto the E. coli processivity ring., Wolff P, Olieric V, Briand JP, Chaloin O, Dejaegere A, Dumas P, Ennifar E, Guichard G, Wagner J, Burnouf DY, J Med Chem. 2011 Jul 14;54(13):4627-37. doi: 10.1021/jm200311m. Epub 2011 Jun 9. PMID:21619076

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (121 Kb) [Save to disk] Biological Unit Coordinates (3q4k.pdb1.gz) 116 Kb LPC: Ligand-Protein Contacts for 3Q4K CSU: Contacts of Structural Units for 3Q4K Structure Factors (167 Kb) Retrieve 3Q4K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3Q4K from S2C, [Save to disk] Re-refined 3q4k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3Q4K 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 3Q4K

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 3Q4K, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3q4k_B] [3q4k_C] [3q4k_D] [3q4k_A] [3q4k] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3Q4K: [POL3Bc ] by SMART

Other resources with information on 3Q4K

Community annotation for 3Q4K at PDBWiki (http://pdbwiki.org)

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