2O1J | pdb_00002o1j

Structure of the extended diarrhea-inducing domain of rotavirus enterotoxigenic protein NSP4

• PDB DOI: https://doi.org/10.2210/pdb2O1J/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Rotavirus str. I321
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2006-11-29 Released: 2006-12-26 
• Deposition Author(s): Suguna, K., Durga Rao, C., Deepa, R.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.314 (Depositor), 0.313 (DCC) 
• R-Value Work: 
  0.248 (Depositor), 0.242 (DCC) 
• R-Value Observed: 
  0.251 (Depositor) 

Starting Model: experimental

Literature

Structure of the extended diarrhea-inducing domain of rotavirus enterotoxigenic protein NSP4

Deepa, R., Durga Rao, C., Suguna, K.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content 

• Total Structure Weight: 25.5 kDa 
• Atom Count: 1,340 
• Modeled Residue Count: 174 
• Deposited Residue Count: 208 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nonstructural protein NSP4	A, B, C, D	52	Rotavirus str. I321	Mutation(s): 0  Gene Names: G10
UniProt
Find proteins for Q9PYC1 (Rotavirus str. I321) Explore Q9PYC1  Go to UniProtKB:  Q9PYC1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.314 (Depositor), 0.313 (DCC) 
• R-Value Work:  0.248 (Depositor), 0.242 (DCC) 
• R-Value Observed: 0.251 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.614	α = 90
b = 180.432	β = 90
c = 48.691	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-12-26 
Deposition Author(s): Suguna, K., Durga Rao, C., Deepa, R.

Revision History  

• Version 1.0: 2006-12-26
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2023-12-27
  Changes: Data collection, Database references, Derived calculations
• Version 1.5: 2024-04-03
  Changes: Refinement description