2IVH	Hydrolase	date	Jun 13, 2006
title	Crystal Structure Of The Nuclease Domain Of Cole7 (H545q Mut Complex With An 18-Bp Duplex Dna
authors	Y.T.Wang, W.J.Yang, C.L.Li, L.G.Doudeva, H.S.Yuan
compound		source
Molecule: Colcin-E7 Chain: A Fragment: Nuclease Domain, Residues 449-576 Ec: 3.1.-.- Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: W3110 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: M15 Expression_system_vector: Pqe70
Molecule: 5'-D(Gpgpapaptptpcpgpaptp Cpgpapaptptpcpc)-3'; Chain: B, C Engineered: Yes		Synthetic: Yes Organism_scientific: Escherichia Coli Organism_taxid: 562
symmetry	Space Group: P 41 21 2	R_factor 0.193 R_Free 0.265
crystal cell	length a length b length c angle alpha angle beta angle gamma 106.800 106.800 60.200 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	ZN	enzyme	Hydrolase E.C.3.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis for sequence-dependent DNA cleavage by nonspecific endonucleases., Wang YT, Yang WJ, Li CL, Doudeva LG, Yuan HS, Nucleic Acids Res. 2007;35(2):584-94. Epub 2006 Dec 15. PMID:17175542

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (42 Kb) [Save to disk] Biological Unit Coordinates (2ivh.pdb1.gz) 37 Kb LPC: Ligand-Protein Contacts for 2IVH CSU: Contacts of Structural Units for 2IVH Likely Quarternary Molecular Structure file(s) for 2IVH Structure Factors (112 Kb) Retrieve 2IVH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2IVH from S2C, [Save to disk] Re-refined 2ivh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2IVH 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 2IVH

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 2IVH, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ivh_A] [2ivh_B] [2ivh] [2ivh_C] SWISS-PROT database: [Q47112] Domain organization of [CEA7_ECOLX] by SWISSPFAM Domain found in 2IVH: [HNHc ] by SMART

Other resources with information on 2IVH

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

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