1UA7
Crystal Structure Analysis of Alpha-Amylase from Bacillus Subtilis complexed with Acarbose
- PDB DOI: https://doi.org/10.2210/pdb1UA7/pdb
- Classification: HYDROLASE
- Organism(s): Bacillus subtilis
- Expression System: Bacillus subtilis
- Mutation(s): Yes 
- Deposited: 2003-03-03 Released: 2004-05-18 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 2.21 Å
- R-Value Free: 0.265 
- R-Value Work: 0.208 
- R-Value Observed: 0.208 
This is version 3.2 of the entry. See complete history. 
Macromolecules
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 1 | |||||
---|---|---|---|---|---|
Molecule | Chains | Sequence Length | Organism | Details | Image |
Alpha-amylase | 422 | Bacillus subtilis | Mutation(s): 1  EC: 3.2.1.1 | ||
UniProt | |||||
Find proteins for P00691 (Bacillus subtilis (strain 168)) Explore P00691  Go to UniProtKB:  P00691 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P00691 | ||||
Sequence AnnotationsExpand | |||||
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Oligosaccharides
Small Molecules
Ligands 2 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
ACI Query on ACI | D [auth A], E [auth A] | 6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4-ENE-1,2,3-TRIOL C7 H13 N O4 XPHOBMULWMGEBA-VZFHVOOUSA-N | |||
CA Query on CA | F [auth A], G [auth A], H [auth A] | CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 2.21 Å
- R-Value Free: 0.265 
- R-Value Work: 0.208 
- R-Value Observed: 0.208 
- Space Group: P 21 21 21
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 70.32 | α = 90 |
b = 74.204 | β = 90 |
c = 115.724 | γ = 90 |
Software Name | Purpose |
---|---|
CNS | refinement |
Entry History 
Deposition Data
- Released Date: 2004-05-18  Deposition Author(s): Kagawa, M., Fujimoto, Z., Momma, M., Takase, K., Mizuno, H.
Revision History (Full details and data files)
- Version 1.0: 2004-05-18
Type: Initial release - Version 1.1: 2008-04-27
Changes: Version format compliance - Version 1.2: 2011-07-13
Changes: Version format compliance - Version 1.3: 2017-10-04
Changes: Refinement description - Version 2.0: 2017-10-25
Changes: Atomic model, Derived calculations, Structure summary - Version 3.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Atomic model, Data collection, Derived calculations, Structure summary - Version 3.1: 2021-11-10
Changes: Database references, Structure summary - Version 3.2: 2023-12-27
Changes: Data collection