1QHO

FIVE-DOMAIN ALPHA-AMYLASE FROM BACILLUS STEAROTHERMOPHILUS, MALTOSE/ACARBOSE COMPLEX


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.175
  • R-Value Work: 0.151

Literature

Macromolecules
Sequence Display for 1QHO

Classification: HYDROLASE

Total Structure Weight: 77089.58

Macromolecule Entities
Molecule Chains Length Organism Details
ALPHA-AMYLASE A 686 Geobacillus stearothermophilus EC#: 3.2.1.133 IUBMB
Fragment: INTACT PROTEIN, ALL 5 DOMAINS
Mutation: N76D, ΔK369, ΔR377, L346A, S348A, S350I, ΔV386, R356T, P358S
Details: CONTAINS AN ACARBOSE-DERIVED HEXASACCHARIDE AND MALTOSE
Gene Name(s): amyM
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
ABD
Query on ABD

A ACARBOSE DERIVED HEXASACCHARIDE
C36 H63 N O29
XYLYUKMDEOTGPI-LNGBAUQKSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MAL
Query on MAL

A MALTOSE
C12 H22 O11
GUBGYTABKSRVRQ-ASMJPISFSA-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)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.175
  • R-Value Work: 0.151
  • Space Group: P 31 2 1

Unit Cell:

Length (Å) Angle (°)
a = 89.82 α = 90.00
b = 89.82 β = 90.00
c = 185.75 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-05-25
  • Released Date: 2000-05-31
  • Deposition author(s): Dauter, Z., Dauter, M., Brzozowski, A.M., Christensen, S., Borchert, T.V., Beier, L., Wilson, K.S., Davies, G.J.

Revision History

  • 2008-04-26
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance