1MXG

Crystal Strucutre of a (Ca,Zn)-dependent alpha-amylase from the hyperthermophilic archaeon Pyrococcus woesei in complex with acarbose

Structural Biology Knowledgebase: 1MXG SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.172
  • R-Value Work: 0.159

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1MXG

Classification: hydrolase

Total Structure Weight: 53067.46

Macromolecule Entities
Molecule Chains Length Organism Details
alpha amylase A 435 Pyrococcus woesei EC#: 3.2.1.1 IUBMB
Gene Name(s): amyA

Small Molecules
Ligands 7 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)
ETE
Query on ETE

A 2-{2-[2-2-(METHOXY-ETHOXY)-ETHOXY]-ETHOXY}- ETHANOL
C9 H20 O5
ZNYRFEPBTVGZDN-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
TRS
Query on TRS

A 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
TRIS BUFFER (Synonym)
C4 H12 N O3
LENZDBCJOHFCAS-UHFFFAOYSA-O
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
EOH
Query on EOH

A ETHANOL
C2 H6 O
LFQSCWFLJHTTHZ-UHFFFAOYSA-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)
MG
Query on MG

A MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.172
  • R-Value Work: 0.159
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 51.48 α = 90.00
b = 76.51 β = 90.00
c = 136.46 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-10-02
  • Released Date: 2003-06-10
  • Deposition author(s): Linden, A., Mayans, O., Meyer-Klaucke, W., Antranikian, G., Wilmanns, M.

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