1II3	Hydrolase	date	Apr 20, 2001
title	Structure Of S. Nuclease Quintuple Mutant V23iv66li72li92
authors	J.Chen, Z.Lu, J.Sakon, W.E.Stites
compound		source
Molecule: Staphylococcal Nuclease Chain: A Ec: 3.1.31.1 Engineered: Yes Mutation: Yes		Organism_scientific: Staphylococcus Aureus Organism_taxid: 1280 Strain: Foggi Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 41	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.951 47.951 63.770 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.72 Å
ligand		enzyme	Hydrolase E.C.3.1.31.1 BRENDA
related structures	by homologous chain: 1EY9, 1EYD
Gene Ontology	Chain Function Process Component A
Primary reference	Proteins with simplified hydrophobic cores compared to other packing mutants., Chen J, Lu Z, Sakon J, Stites WE, Biophys Chem 2004 Aug 1;110(3):239-48. PMID:15228960

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (28 Kb) [Save to disk] Biological Unit Coordinates (1ii3.pdb1.gz) 25 Kb CSU: Contacts of Structural Units for 1II3 Likely Quarternary Molecular Structure file(s) for 1II3 Retrieve 1II3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1II3 from S2C, [Save to disk]

View 1II3 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 1II3

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1II3, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ii3a_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ii3] [1ii3_A] SWISS-PROT database: [P00644] Domain organization of [NUC_STAAU] by SWISSPFAM Domain found in 1II3: [SNc ] by SMART

Other resources with information on 1II3

Community annotation for 1II3 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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