2X6W	Viral Protein	date	Feb 22, 2010
title	Tailspike Protein Mutant E372q Of E.Coli Bacteriophage Hk620 Complex With Hexasaccharide
authors	N.K.Lorenzen, J.J.Mueller, U.Heinemann, R.Seckler, S.Barbirz
compound		source
Molecule: Tail Spike Protein Chain: A Fragment: Residues 111-710 Synonym: Tailspike Protein Hk620 Engineered: Yes Mutation: Yes		Organism_scientific: Enterobacteria Phage Hk620 Organism_taxid: 155148 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_vector: Pet11d
symmetry	Space Group: P 3 2 1	R_factor 0.123 R_Free 0.156
crystal cell	length a length b length c angle alpha angle beta angle gamma 74.530 74.530 174.610 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.35 Å
ligand	GLA, GLC, NA, NAG, NDG, RAM, TRS	enzyme
note	2X6W is a representative structure
Primary reference	Single amino acid exchange in bacteriophage HK620 tailspike protein results in thousand-fold increase of its oligosaccharide affinity., Broeker NK, Gohlke U, Muller JJ, Uetrecht C, Heinemann U, Seckler R, Barbirz S, Glycobiology. 2012 Aug 24. PMID:22923442

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (220 Kb) [Save to disk] Biological Unit Coordinates (2x6w.pdb1.gz) 635 Kb LPC: Ligand-Protein Contacts for 2X6W CSU: Contacts of Structural Units for 2X6W Structure Factors (1586 Kb) Retrieve 2X6W in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2X6W from S2C, [Save to disk] Re-refined 2x6w structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2X6W 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 2X6W

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 2X6W, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2x6w] [2x6w_A] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 2X6W

Community annotation for 2X6W at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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