3ZD9	Hydrolase	date	Nov 26, 2012
title	Potassium Bound Structure Of E. Coli Exoix In P21
authors	C.S.Anstey-Gilbert, G.R.Hemsworth, C.S.Flemming, M.R.G.Hodskins J.Zhang, S.E.Sedelnikova, T.J.Stillman, J.R.Sayers, P.J.Artymiu
compound		source
Molecule: Protein Xni Chain: A Synonym: Exoix Ec: 3.1.-.- Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: Xl1 Blue Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_variant: Pci857 Expression_system_vector_type: Plasmid Expression_system_vector: Pjonex
symmetry	Space Group: P 1 21 1	R_factor 0.159 R_Free 0.246
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.472 38.275 59.750 90.00 107.95 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	K	enzyme	Hydrolase E.C.3.1 BRENDA
Gene Ontology	Chain Function Process Component A nuclease activity endonuclease activity
Primary reference	The structure of Escherichia coli ExoIX--implications for DNA binding and catalysis in flap endonucleases., Anstey-Gilbert CS, Hemsworth GR, Flemming CS, Hodskinson MR, Zhang J, Sedelnikova SE, Stillman TJ, Sayers JR, Artymiuk PJ, Nucleic Acids Res. 2013 Jul 2. PMID:23821668

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk] Biological Unit Coordinates (3zd9.pdb1.gz) 41 Kb LPC: Ligand-Protein Contacts for 3ZD9 CSU: Contacts of Structural Units for 3ZD9 Structure Factors (214 Kb) Retrieve 3ZD9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3ZD9 from S2C, [Save to disk] Re-refined 3zd9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3ZD9 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 3ZD9

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 3ZD9, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3zd9_A] [3zd9] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3ZD9: [53EXOc] [HhH1] [HhH2 ] by SMART

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