3D4D	Hydrolase	date	May 14, 2008
title	Crystal Structure Of Staphylococcal Nuclease Variant Delta+P Cryogenic Temperature
authors	V.S.Khangulov, J.L.Schlessman, E.B.Garcia-Moreno
compound		source
Molecule: Thermonuclease Chain: A, B Synonym: Tnase, Micrococcal Nuclease, Staphylococcal Nuclea Nuclease B, Nuclease A; Ec: 3.1.31.1 Engineered: Yes Mutation: Yes		Organism_scientific: Staphylococcus Aureus Organism_taxid: 1280 Gene: Nuc Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet24a+
symmetry	Space Group: P 1 21 1	R_factor 0.233 R_Free 0.290
crystal cell	length a length b length c angle alpha angle beta angle gamma 31.022 81.293 60.385 90.00 90.05 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	CA, THP	enzyme	Hydrolase E.C.3.1.31.1 BRENDA
Gene Ontology	Chain Function Process Component A, B

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (3d4d.pdb1.gz) 23 Kb Biological Unit Coordinates (3d4d.pdb2.gz) 24 Kb LPC: Ligand-Protein Contacts for 3D4D CSU: Contacts of Structural Units for 3D4D Likely Quarternary Molecular Structure file(s) for 3D4D Structure Factors (399 Kb) Retrieve 3D4D in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3D4D from S2C, [Save to disk] Re-refined 3d4d structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3D4D 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 3D4D

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 3D4D, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3d4d] [3d4d_A] [3d4d_B] SWISS-PROT database: [P00644] Domain organization of [NUC_STAAU] by SWISSPFAM Domain found in 3D4D: [SNc ] by SMART

Other resources with information on 3D4D

Community annotation for 3D4D at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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