2OBS	Viral Protein	date	Dec 20, 2006
title	Crystal Structures Of P Domain Of Norovirus Va387 In Complex Blood Group Trisaccharides Type A
authors	S.Cao, X.Li, Z.Rao
compound		source
Molecule: Capsid Protein Chain: A Fragment: P Domain Engineered: Yes Mutation: Yes		Organism_scientific: Norovirus Organism_taxid: 142786 Strain: Va387 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-4t-1
symmetry	Space Group: C 2 2 21	R_factor 0.214 R_Free 0.264
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.609 96.495 118.438 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	A2G, FUC, GL0	enzyme
note	2OBS (Molecule of the Month:pdb156)
Primary reference	Structural Basis for the Recognition of Blood Group Trisaccharides by Norovirus., Cao S, Lou Z, Tan M, Chen Y, Liu Y, Zhang Z, Zhang XC, Jiang X, Li X, Rao Z, J Virol. 2007 Mar 28;. PMID:17392366

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (57 Kb) [Save to disk] Biological Unit Coordinates (2obs.pdb1.gz) 104 Kb LPC: Ligand-Protein Contacts for 2OBS CSU: Contacts of Structural Units for 2OBS Likely Quarternary Molecular Structure file(s) for 2OBS Structure Factors (326 Kb) Retrieve 2OBS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2OBS from S2C, [Save to disk] Re-refined 2obs structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2OBS 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 2OBS

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 2OBS, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2obs_A] [2obs] SWISS-PROT database: [Q913Z3] Domain organization of [Q913Z3_9CALI] by SWISSPFAM

Other resources with information on 2OBS

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

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