2IPH	Hydrolase Hydrolase Inhibitor	date	Oct 12, 2006
title	X-Ray Structure At 1.75 A Resolution Of A Norovirus Protease An Active Site Directed Peptide Inhibitor
authors	R.J.Hussey
compound		source
Molecule: Thiol Protease P3c Chain: A, B Synonym: 3c-Like Protease, 3c-Pro Ec: 3.4.22.- Engineered: Yes		Organism_scientific: Southampton Virus (Serotype 3) Organism_taxid: 37129 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pt7
symmetry	Space Group: P 21 21 21	R_factor 0.204 R_Free 0.221
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.497 84.106 121.471 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	LGG	enzyme	Hydrolase E.C.3.4.22 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	A Structural Study of Norovirus 3C Protease Specificity: Binding of a Designed Active Site-Directed Peptide Inhibitor., Hussey RJ, Coates L, Gill RS, Erskine PT, Coker SF, Mitchell E, Cooper JB, Wood S, Broadbridge R, Clarke IN, Lambden PR, Shoolingin-Jordan PM, Biochemistry. 2010 Dec 15. PMID:21128685

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk] Biological Unit Coordinates (2iph.pdb1.gz) 64 Kb LPC: Ligand-Protein Contacts for 2IPH CSU: Contacts of Structural Units for 2IPH Likely Quarternary Molecular Structure file(s) for 2IPH Structure Factors (442 Kb) Retrieve 2IPH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2IPH from S2C, [Save to disk] Re-refined 2iph structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2IPH 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 2IPH

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 2IPH, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2iph_A] [2iph] [2iph_B] SWISS-PROT database: [Q04544] Domain organization of [POLG_SOUV3] by SWISSPFAM

Other resources with information on 2IPH

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

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