2NU4	Hydrolase	date	Nov 08, 2006
title	Accommodation Of Positively-Charged Residues In A Hydrophobi Specificity Pocket: Crystal Structures Of Sgpb In Complex W Variants Lys18i And Arg18i
authors	K.S.Bateman, S.Anderson, W.Lu, M.A.Qasim, M.Laskowski Jr., M.N.G.
compound		source
Molecule: Streptogrisin B, Proteinase B Chain: E Fragment: Residues 115-299 Synonym: Protease B, Sgpb, Pronase Enzyme B Ec: 3.4.21.81		Organism_scientific: Streptomyces Griseus Organism_taxid: 1911 Strain: K1
Molecule: Ovomucoid Chain: I Fragment: Third Domain, Residues 135-185 Engineered: Yes Mutation: Yes		Organism_scientific: Meleagris Gallopavo Organism_common: Turkey Organism_taxid: 9103 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pezz318
symmetry	Space Group: P 1 21 1	R_factor 0.170 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.452 54.689 45.633 90.00 119.33 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand		enzyme	Hydrolase E.C.3.4.21.81 BRENDA
Gene Ontology	Chain Function Process Component E I

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (42 Kb) [Save to disk] Biological Unit Coordinates (2nu4.pdb1.gz) 38 Kb CSU: Contacts of Structural Units for 2NU4 Likely Quarternary Molecular Structure file(s) for 2NU4 Structure Factors (328 Kb) Retrieve 2NU4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2NU4 from S2C, [Save to disk] Re-refined 2nu4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2NU4 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 2NU4

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 2NU4, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2nu4_E] [2nu4] [2nu4_I] SWISS-PROT database: [P68436] [P00777] Domain organization of [IOVO_AGROC] [PRTB_STRGR] by SWISSPFAM Domains found in 2NU4: [KAZAL] [Tryp_SPc ] by SMART

Other resources with information on 2NU4

Community annotation for 2NU4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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