1HX0

Structure of pig pancreatic alpha-amylase complexed with the "truncate" acarbose molecule (pseudotrisaccharide)

Structural Biology Knowledgebase: 1HX0 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.38 Å
  • R-Value Free: 0.130
  • R-Value Work: 0.108

Literature

Macromolecules
Sequence Display for 1HX0

Classification: HYDROLASE

Total Structure Weight: 57853.45

Macromolecule Entities
Molecule Chains Length Organism Details
ALPHA AMYLASE (PPA) A 496 Sus scrofa EC#: 3.2.1.1 IUBMB
Mutation: Q1X, S123N, Q243K, A310S, V323I, E404Q
Gene Name(s): AMY2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 7 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
MAL
Query on MAL

A MALTOSE
C12 H22 O11
GUBGYTABKSRVRQ-ASMJPISFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
AC1
Query on AC1

A 6-METHYL-5-(4,5,6-TRIHYDROXY-3-HYDROXYMETHYL- CYCLOHEX-2-ENYLAMINO)-TETRAHYDRO-PYRAN-2,3,4- TRIOL
2, (Synonym)
C13 H23 N O8
RBZIIHWPZWOIDU-ZCGMLSCUSA-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)
BGC
Query on BGC

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

A 1,2-ETHANEDIOL
ETHYLENE GLYCOL (Synonym)
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
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)
CL
Query on CL

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
PCA
Query on PCA
A L-PEPTIDE LINKING C5 H7 N O3 GLU

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.38 Å
  • R-Value Free: 0.130
  • R-Value Work: 0.108
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 69.28 α = 90.00
b = 113.55 β = 90.00
c = 117.16 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-01-11
  • Released Date: 2001-08-08
  • Deposition author(s): Qian, M., Payan, F.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Atom occupancy | Details: Restore author's atom occupancy