1B2Y

STRUCTURE OF HUMAN PANCREATIC ALPHA-AMYLASE IN COMPLEX WITH THE CARBOHYDRATE INHIBITOR ACARBOSE

Structural Biology Knowledgebase: 1B2Y SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.2 Å
  • R-Value Free: 0.217
  • R-Value Work: 0.191

Literature

Macromolecules
Sequence Display for 1B2Y

Classification: HYDROLASE

Total Structure Weight: 56945.32

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (ALPHA-AMYLASE) A 496 Homo sapiens EC#: 3.2.1.1 IUBMB
Gene Name(s): AMY2A Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 7 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
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)
G6D
Query on G6D

A 6-DEOXY-ALPHA-D-GLUCOSE
C6 H12 O5
SHZGCJCMOBCMKK-DVKNGEFBSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PCA
Query on PCA

A PYROGLUTAMIC ACID
C5 H7 N O3
ODHCTXKNWHHXJC-VKHMYHEASA-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)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.2 Å
  • R-Value Free: 0.217
  • R-Value Work: 0.191
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 53.11 α = 90.00
b = 75.10 β = 90.00
c = 137.13 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-12-03
  • Released Date: 2000-02-16
  • Deposition author(s): Nahoum, V., Payan, F.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4