6EAN

CRYSTAL STRUCTURE OF HUMAN RESPIRATORY SYNCYTIAL VIRUS FUSION GLYCOPROTEIN INHIBITOR ESCAPE VARIANT F488I STABILIZED IN THE PREFUSION STATE

• PDB DOI: https://doi.org/10.2210/pdb6EAN/pdb

• Classification: VIRAL PROTEIN
• Organism(s): human respiratory syncytial virus
• Expression System: Homo sapiens
• Mutation(s): Yes 


• Deposited: 2018-08-03 Released: 2019-08-07 
• Deposition Author(s): Battles, M.B., McLellan, J.S.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID), National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.216 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 

Starting Model: experimental

Literature

Structural Basis for Respiratory Syncytial Virus Fusion Inhibitor Resistance

Battles, M.B., McLellan, J.S.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Biological Assembly Evidence: isothermal titration calorimetry

Macromolecule Content

• Total Structure Weight: 64.3 kDa 
• Atom Count: 3,522 
• Modelled Residue Count: 444 
• Deposited Residue Count: 568 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fusion glycoprotein F0	A [auth F]	568	human respiratory syncytial virus	Mutation(s): 5
UniProt
Find proteins for P03420 (Human respiratory syncytial virus A (strain A2)) Explore P03420  Go to UniProtKB:  P03420
Glycosylation
Glycosylation Sites: 1

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	B [auth F]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
NHE	C [auth F], D [auth F]	2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID C8 H17 N O3 S MKWKNSIESPFAQN-UHFFFAOYSA-N
SO4	E [auth F], F, G [auth F], H [auth F], I [auth F]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.216 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 
• Space Group: P 4₁ 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 168.73	α = 90
b = 168.73	β = 90
c = 168.73	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-08-07 
Deposition Author(s): Battles, M.B., McLellan, J.S.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	5T32AI007519-18
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	P20GM113132

Revision History  

• Version 1.0: 2019-08-07
  Type: Initial release
  
• Version 1.1: 2019-12-18
  Changes: Author supporting evidence
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.3: 2023-10-11
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 1.4: 2024-10-30
  Changes: Structure summary