4RHZ

Crystal structure of Cry23Aa1 and Cry37Aa1 binary protein complex

• PDB DOI: https://doi.org/10.2210/pdb4RHZ/pdb

• Classification: TOXIN
• Organism(s): Bacillus thuringiensis
• Expression System: Bacillus thuringiensis
• Mutation(s): No 


• Deposited: 2014-10-03 Released: 2015-10-28 
• Deposition Author(s): Rydel, T.J., Williams, J.M., Brown, G.R., Guzov, V.M., Sturman, E.J., Evdokimov, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 
  0.245 (Depositor), 0.238 (DCC) 
• R-Value Work: 
  0.192 (Depositor), 0.186 (DCC) 
• R-Value Observed: 
  0.195 (Depositor) 

Literature

The Associated Bacillus thuringiensis Binary Protein Complex of Cry23Aa1 and Cry37Aa1: Crystal Structure, Insecticidal Data, and Pore Formation Modeling.

Rydel, T.J., Sivasupramanian, S., Williams, J.M., Brown, G.R., Fu, X., Sturman, E.J., Roberts, J.K., Guzov, V.M., Seale, J.W., Moshiri, F.M., Zheng, M., Halls, C., Evdokimov, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content

• Total Structure Weight: 43.53 kDa 
• Atom Count: 3,260 
• Modelled Residue Count: 384 
• Deposited Residue Count: 393 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cry23AA1	A	267	Bacillus thuringiensis	Mutation(s): 0  Gene Names: cryET33, cry23
UniProt
Find proteins for Q9KKG8 (Bacillus thuringiensis) Explore Q9KKG8  Go to UniProtKB:  Q9KKG8

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Cry37AA1	B	126	Bacillus thuringiensis	Mutation(s): 0  Gene Names: cryET34
UniProt
Find proteins for Q9KKG7 (Bacillus thuringiensis) Explore Q9KKG7  Go to UniProtKB:  Q9KKG7

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CA	D [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free:  0.245 (Depositor), 0.238 (DCC) 
• R-Value Work:  0.192 (Depositor), 0.186 (DCC) 
• R-Value Observed: 0.195 (Depositor) 

Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 126.39	α = 90
b = 126.39	β = 90
c = 79.234	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-10-28 
Deposition Author(s): Rydel, T.J., Williams, J.M., Brown, G.R., Guzov, V.M., Sturman, E.J., Evdokimov, A.

Revision History  

• Version 1.0: 2015-10-28
  Type: Initial release
  
• Version 1.1: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary