1HNY

The structure of human pancreatic alpha-amylase at 1.8 angstroms resolution and comparisons with related enzymes

Structural Biology Knowledgebase: 1HNY SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Observed: 0.174

Literature

Macromolecules
Sequence Display for 1HNY

Classification: HYDROLASE (O-GLYCOSYL)

Total Structure Weight: 56007.42

Macromolecule Entities
Molecule Chains Length Organism Details
HUMAN PANCREATIC 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 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
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: 1.8 Å
  • R-Value Observed: 0.174
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 53.04 α = 90.00
b = 74.80 β = 90.00
c = 137.34 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-06-28
  • Released Date: 1996-03-08
  • Deposition author(s): Luo, Y., Brayer, G.D.

Revision History

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