2NUC	Hydrolase	date	Dec 06, 1997
title	Staphlococcal Nuclease, Ethane Thiol Disulfide To V23c Varia
authors	R.Wynn, P.C.Harkins, F.M.Richards, R.O.Fox
compound		source
Molecule: Staphylococcal Nuclease Chain: A Ec: 3.1.31.1 Engineered: Yes Mutation: Yes		Organism_scientific: Staphylococcus Aureus Organism_taxid: 1280 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Ar120 Expression_system_vector: Pas1
symmetry	Space Group: P 41	R_factor 0.179 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 48.500 48.500 63.200 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	CA, SCS, THP	enzyme	Hydrolase E.C.3.1.31.1 BRENDA
related structures	by homologous chain: 1KDC, 1SND
Gene Ontology	Chain Function Process Component A
Primary reference	Mobile unnatural amino acid side chains in the core of staphylococcal nuclease., Wynn R, Harkins PC, Richards FM, Fox RO, Protein Sci 1996 Jun;5(6):1026-31. PMID:8762134

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (34 Kb) [Save to disk] Biological Unit Coordinates (2nuc.pdb1.gz) 29 Kb LPC: Ligand-Protein Contacts for 2NUC CSU: Contacts of Structural Units for 2NUC Likely Quarternary Molecular Structure file(s) for 2NUC Retrieve 2NUC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2NUC from S2C, [Save to disk]

View 2NUC 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 2NUC

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2NUC, from MSDmotif at EBI Genome occurence of 2NUC's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2nuc__, region [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: [2nuc_A] [2nuc] SWISS-PROT database: [P00644] Domain organization of [NUC_STAAU] by SWISSPFAM Domain found in 2NUC: [SNc ] by SMART

Other resources with information on 2NUC

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

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