3S6Z

Structure of reovirus attachment protein sigma1 in complex with alpha-2,8-disialyllactose

• PDB DOI: https://doi.org/10.2210/pdb3S6Z/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Mammalian orthoreovirus 3 Dearing
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2011-05-26 Released: 2011-11-23 
• Deposition Author(s): Reiter, D.M., Dermody, T.S., Stehle, T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.28 Å
• R-Value Free: 0.219 
• R-Value Work: 0.173 
• R-Value Observed: 0.175 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 107.61 kDa 
• Atom Count: 7,499 
• Modelled Residue Count: 877 
• Deposited Residue Count: 975 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer capsid protein sigma-1	A, B, C	325	Mammalian orthoreovirus 3 Dearing	Mutation(s): 1  Gene Names: S1
UniProt
Find proteins for P03528 (Reovirus type 3 (strain Dearing)) Explore P03528  Go to UniProtKB:  P03528

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose	D, E	3		N/A
Glycosylation Resources
GlyTouCan:  G43195TR GlyCosmos:  G43195TR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.28 Å
• R-Value Free: 0.219 
• R-Value Work: 0.173 
• R-Value Observed: 0.175 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.15	α = 90
b = 333.18	β = 90
c = 58.49	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
AMoRE	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data scaling
XDS	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-11-23 
Deposition Author(s): Reiter, D.M., Dermody, T.S., Stehle, T.

Revision History  

• Version 1.0: 2011-11-23
  Type: Initial release
  
• Version 1.1: 2018-01-24
  Changes: Structure summary
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Structure summary
• Version 2.1: 2024-02-28
  Changes: Data collection, Database references, Structure summary