3GW6	Chaperone	date	Mar 31, 2009
title	Intramolecular Chaperone
authors	E.C.Schulz, A.Dickmanns, R.Ficner
compound		source
Molecule: Endo-N-Acetylneuraminidase Chain: A, B, E, C, D, F Fragment: Residues 790-1064 Synonym: Endo-Alpha-Sialidase, Gp17 Protein Ec: 3.2.1.129 Engineered: Yes		Organism_scientific: Enterobacteria Phage K1f Organism_common: Bacteriophage K1f Organism_taxid: 344021 Gene: Sia, 17, 17.0 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1	R_factor 0.209 R_Free 0.255
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.650 79.950 109.580 81.71 76.53 87.11
method	X-Ray Diffraction	resolution	2.60 Å
ligand	BR, CA, CL, PEG, TAM	enzyme	Hydrolase E.C.3.2.1.129 BRENDA
Primary reference	Crystal structure of an intramolecular chaperone mediating triple-beta-helix folding., Schulz EC, Dickmanns A, Urlaub H, Schmitt A, Muhlenhoff M, Stummeyer K, Schwarzer D, Gerardy-Schahn R, Ficner R, Nat Struct Mol Biol. 2010 Feb;17(2):210-5. Epub 2010 Jan 31. PMID:20118935

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (332 Kb) [Save to disk] Biological Unit Coordinates (3gw6.pdb1.gz) 166 Kb Biological Unit Coordinates (3gw6.pdb2.gz) 164 Kb LPC: Ligand-Protein Contacts for 3GW6 CSU: Contacts of Structural Units for 3GW6 Structure Factors (452 Kb) Retrieve 3GW6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3GW6 from S2C, [Save to disk] Re-refined 3gw6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3GW6 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 3GW6

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 3GW6, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3gw6_B] [3gw6_D] [3gw6_F] [3gw6_E] [3gw6] [3gw6_C] [3gw6_A] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3GW6

Community annotation for 3GW6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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