1WZM

Thermoactinomyces vulgaris R-47 alpha-amylase II (TVA II) mutatnt R469K

• PDB DOI:  https://doi.org/10.2210/pdb1WZM/pdb

• Classification: HYDROLASE
• Organism(s): Thermoactinomyces vulgaris
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-03-06 Released: 2005-03-22 
• Deposition Author(s): Mizuno, M., Ichikawa, K., Tonozuka, T., Ohtaki, A., Shimura, Y., Kamitori, S., Nishikawa, A., Sakano, Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.20 Å
• R-Value Free: 0.293 
• R-Value Work: 0.216 
• R-Value Observed: 0.216 

Literature

Mutagenesis and Structural Analysis of Thermoactinomyces vulgaris R-47 alpha-Amylase II (TVA II)

Mizuno, M., Ichikawa, K., Tonozuka, T., Ohtaki, A., Shimura, Y., Kamitori, S., Nishikawa, A., Sakano, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 135.13 kDa 
• Atom Count: 9,550 
• Modelled Residue Count: 1,170 
• Deposited Residue Count: 1,170 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-amylase II	A, B	585	Thermoactinomyces vulgaris	Mutation(s): 1  Gene Names: tvaII EC: 3.2.1.135
UniProt
Find proteins for Q08751 (Thermoactinomyces vulgaris) Explore Q08751  Go to UniProtKB:  Q08751

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.20 Å
• R-Value Free: 0.293 
• R-Value Work: 0.216 
• R-Value Observed: 0.216 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 110.663	α = 90
b = 115.9	β = 90
c = 112.594	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
CCP4	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-03-22 
Deposition Author(s): Mizuno, M., Ichikawa, K., Tonozuka, T., Ohtaki, A., Shimura, Y., Kamitori, S., Nishikawa, A., Sakano, Y.

Revision History  

• Version 1.0: 2005-03-22
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-11-10
  Changes: Database references, Derived calculations