1KXH

Crystal structure of the complex between an inactive mutant of psychrophilic alpha-amylase (D174N) and acarbose

Structural Biology Knowledgebase: 1KXH SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.188
  • R-Value Work: 0.138

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1KXH

Classification: HYDROLASE

Total Structure Weight: 49668.06

Macromolecule Entities
Molecule Chains Length Organism Details
alpha-amylase A 448 Pseudoalteromonas haloplanktis EC#: 3.2.1.1 IUBMB
Mutation: D174N
Gene Name(s): amy
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A ALPHA-ACARBOSE
1,4-DEOXY-4-((5-HYDROXYMETHYL-2,3,4-TRIHYDROXYCYCLOHEX- 5,6-ENYL)AMINO)FRUCTOSE (Synonym)
C25 H43 N O18
XUFXOAAUWZOOIT-WVJZLWNXSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

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

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.188
  • R-Value Work: 0.138
  • Space Group: C 2 2 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 71.10 α = 90.00
b = 139.90 β = 90.00
c = 115.30 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-01-31
  • Released Date: 2002-06-19
  • Deposition author(s): Aghajari, N., Haser, R.

Revision History

  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4