6BO3

Structure Determination of A223, a turret protein in Sulfolobus turreted icosahedral virus, using an iterative hybrid approach

• PDB DOI: https://doi.org/10.2210/pdb6BO3/pdb

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


• Deposited: 2017-11-18 Released: 2018-11-21 
• Deposition Author(s): Sendamarai, A.K., Veesler, D., Fu, C.Y., Marceau, C., Larson, E.T., Johnson, J.E., Lawrence, C.M.
• Funding Organization(s): National Science Foundation (NSF, United States)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.83 Å
• R-Value Free: 0.195 
• R-Value Work: 0.164 
• R-Value Observed: 0.165 

Starting Model: experimental

Literature

STRUCTURAL CHARACTERIZATION OF A223, A STRUCTURAL PROTEIN FROM SULFOLOBUS TURRETED ICOSAHEDRAL VIRUS (STIV)

Sendamarai, A.K., Lawrence, C.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 50.57 kDa 
• Atom Count: 3,041 
• Modelled Residue Count: 390 
• Deposited Residue Count: 458 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein	A, B	229	Sulfolobus turreted icosahedral virus 1	Mutation(s): 1  Gene Names: A223
UniProt
Find proteins for Q6Q0L4 (Sulfolobus turreted icosahedral virus 1) Explore Q6Q0L4  Go to UniProtKB:  Q6Q0L4

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.83 Å
• R-Value Free: 0.195 
• R-Value Work: 0.164 
• R-Value Observed: 0.165 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.995	α = 90
b = 56.995	β = 90
c = 272.807	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-11-21 
Deposition Author(s): Sendamarai, A.K., Veesler, D., Fu, C.Y., Marceau, C., Larson, E.T., Johnson, J.E., Lawrence, C.M.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, United States)	United States	--

Revision History  

• Version 1.0: 2018-11-21
  Type: Initial release
  
• Version 1.1: 2019-02-20
  Changes: Author supporting evidence, Data collection
• Version 1.2: 2019-11-27
  Changes: Author supporting evidence
• Version 1.3: 2023-10-04
  Changes: Data collection, Database references, Refinement description