6STT

Adenovirus 29 Fiber Knob protein in complex with Sialic acid

• PDB DOI: https://doi.org/10.2210/pdb6STT/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Human adenovirus 29
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-09-11 Released: 2021-03-31 
• Deposition Author(s): Baker, A.T., Mundy, R.M., Rizkallah, P.J., Parker, A.L.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Free: 0.188 
• R-Value Work: 0.140 
• R-Value Observed: 0.142 

Literature

Broad sialic acid usage amongst species D human adenovirus

Mundy, R.M., Baker, A.T., Bates, E.A., Cunliffe, T.G., Teijeira-Crespo, A., Moses, E., Rizkallah, P.J., Parker, A.L.

(2023) Npj Viruses 1: 1

• DOI: https://doi.org/10.1038/s44298-023-00001-5

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: homology

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 42.61 kDa 
• Atom Count: 3,290 
• Modelled Residue Count: 356 
• Deposited Residue Count: 370 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fiber	A, B	185	Human adenovirus 29	Mutation(s): 0  Gene Names: L5
UniProt
Find proteins for E1CIQ3 (Human adenovirus 29) Explore E1CIQ3  Go to UniProtKB:  E1CIQ3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SIA (Subject of Investigation/LOI)	C [auth A], D [auth B]	N-acetyl-alpha-neuraminic acid C11 H19 N O9 SQVRNKJHWKZAKO-YRMXFSIDSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Free: 0.188 
• R-Value Work: 0.140 
• R-Value Observed: 0.142 
• Space Group: P 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 104.236	α = 90
b = 104.236	β = 90
c = 104.236	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
Aimless	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-03-31 
Deposition Author(s): Baker, A.T., Mundy, R.M., Rizkallah, P.J., Parker, A.L.

Revision History  

• Version 1.0: 2021-03-31
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references
• Version 1.2: 2023-10-11
  Changes: Database references