3RKL

The crystal structure of A81 from Sulfolobus Turreted Icosahedral Virus

• PDB DOI: https://doi.org/10.2210/pdb3RKL/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Sulfolobus turreted icosahedral virus 1
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2011-04-18 Released: 2012-05-09 
• Deposition Author(s): Lintner, N.G., Larson, E.T., Young, M.J., Lawrence, C.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.196 
• R-Value Work: 0.163 
• R-Value Observed: 0.165 

Literature

The crystal structure of A81 from Sulfolobus Turreted Icosahedral Virus

Lintner, N.G., Larson, E.T., Young, M.J., Lawrence, C.M.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D4  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

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

Macromolecule Content

• Total Structure Weight: 41.57 kDa 
• Atom Count: 2,812 
• Modelled Residue Count: 320 
• Deposited Residue Count: 348 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
STIV-A81	A, B, C, D	87	Sulfolobus turreted icosahedral virus 1	Mutation(s): 1  Gene Names: A81
UniProt
Find proteins for Q6Q0J6 (Sulfolobus turreted icosahedral virus 1) Explore Q6Q0J6  Go to UniProtKB:  Q6Q0J6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACT	E [auth A], F [auth D]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.196 
• R-Value Work: 0.163 
• R-Value Observed: 0.165 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.93	α = 90
b = 88.962	β = 123.48
c = 55.346	γ = 90

Software Package:

Software Name	Purpose
Blu-Ice	data collection
SOLVE	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-05-09 
Deposition Author(s): Lintner, N.G., Larson, E.T., Young, M.J., Lawrence, C.M.

Revision History  

• Version 1.0: 2012-05-09
  Type: Initial release
  
• Version 1.1: 2017-11-08
  Changes: Refinement description
• Version 1.2: 2024-10-16
  Changes: Data collection, Database references, Derived calculations, Structure summary