1B1Y
SEVENFOLD MUTANT OF BARLEY BETA-AMYLASE
- PDB DOI: https://doi.org/10.2210/pdb1B1Y/pdb
- Classification: HYDROLASE
- Organism(s): Hordeum vulgare
- Expression System: Escherichia coli
- Mutation(s): Yes 
- Deposited: 1998-11-25 Released: 1998-12-02 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 2.50 Å
- R-Value Free: 0.256 
- R-Value Work: 0.187 
- R-Value Observed: 0.187 
wwPDB Validation   3D Report Full Report
This is version 2.2 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 |
PROTEIN (BETA-AMYLASE) | 500 | Hordeum vulgare | Mutation(s): 7  EC: 3.2.1.2 | ||
UniProt | |||||
Find proteins for P16098 (Hordeum vulgare) Explore P16098  Go to UniProtKB:  P16098 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P16098 | ||||
Sequence AnnotationsExpand | |||||
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Oligosaccharides
Small Molecules
Ligands 1 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
BGC Query on BGC | C [auth A] | beta-D-glucopyranose C6 H12 O6 WQZGKKKJIJFFOK-VFUOTHLCSA-N |
Biologically Interesting Molecules (External Reference) 1 Unique
Entity ID: 2 | |||||
---|---|---|---|---|---|
ID | Chains | Name | Type/Class | 2D Diagram | 3D Interactions |
PRD_900018 Query on PRD_900018 | B | beta-maltose | Oligosaccharide / Nutrient |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 2.50 Å
- R-Value Free: 0.256 
- R-Value Work: 0.187 
- R-Value Observed: 0.187 
- Space Group: P 43 21 2
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 72.11 | α = 90 |
b = 72.11 | β = 90 |
c = 250.51 | γ = 90 |
Software Name | Purpose |
---|---|
X-PLOR | model building |
X-PLOR | refinement |
SAINT | data reduction |
SAINT | data scaling |
X-PLOR | phasing |
Entry History 
Deposition Data
- Released Date: 1998-12-02  Deposition Author(s): Mikami, B., Yoon, H.J., Yoshigi, N.
Revision History (Full details and data files)
- Version 1.0: 1998-12-02
Type: Initial release - Version 1.1: 2007-10-16
Changes: Version format compliance - Version 1.2: 2011-07-13
Changes: Version format compliance - Version 2.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Atomic model, Data collection, Database references, Derived calculations, Structure summary - Version 2.1: 2021-11-03
Changes: Database references, Structure summary - Version 2.2: 2023-08-09
Changes: Data collection, Refinement description