1Q6F

Crystal Structure of Soybean Beta-Amylase Mutant (E178Y) with Increased pH Optimum at pH 7.1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.208
  • R-Value Work: 0.171

Literature

Macromolecules
Sequence Display for 1Q6F

Classification: HYDROLASE

Total Structure Weight: 57092.14

Macromolecule Entities
Molecule Chains Length Organism Details
beta-amylase A 495 Glycine max EC#: 3.2.1.2 IUBMB
Mutation: F76L, E178Y
Gene Name(s): BMY1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
BGC
Query on BGC

A BETA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-VFUOTHLCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GLC
Query on GLC

A ALPHA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-DVKNGEFBSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.208
  • R-Value Work: 0.171
  • Space Group: P 31 2 1

Unit Cell:

Length (Å) Angle (°)
a = 86.82 α = 90.00
b = 86.82 β = 90.00
c = 145.24 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-08-13
  • Released Date: 2004-02-24
  • Deposition author(s): Hirata, A., Adachi, M., Sekine, A., Kang, Y.N., Utsumi, S., Mikami, B.

Revision History

  • Version 1_0: 2004-02-24

    Type: Initial release

  • Version 1_1: 2008-04-29

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance