1PPI

THE ACTIVE CENTER OF A MAMMALIAN ALPHA-AMYLASE. THE STRUCTURE OF THE COMPLEX OF A PANCREATIC ALPHA-AMYLASE WITH A CARBOHYDRATE INHIBITOR REFINED TO 2.2 ANGSTROMS RESOLUTION

Structural Biology Knowledgebase: 1PPI SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Observed: 0.153

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1PPI

Classification: HYDROLASE (O-GLYCOSYL)

Total Structure Weight: 56303.59

Macromolecule Entities
Molecule Chains Length Organism Details
ALPHA-AMYLASE A 496 Sus scrofa EC#: 3.2.1.1 IUBMB
Mutation: I49V, Q243K, A310S
Gene Name(s): AMY2

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
BGC
Query on BGC

A BETA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-VFUOTHLCSA-N
Ligand Explorer
 
JSmol
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
CL
Query on CL

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer
 
JSmol
DAF
Query on DAF

A 4,6-dideoxy-4-{[(1S,5R,6S)-3-formyl-5,6-dihydroxy- 4-oxocyclohex-2-en-1-yl]amino}-alpha-D-xylo- hex-5-enopyranose
C13 H17 N O8
ZGWNRGISVMYHTF-KKXLKBQTSA-N
Ligand Explorer
 
JSmol
GLC
Query on GLC

A ALPHA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-DVKNGEFBSA-N
Ligand Explorer
 
JSmol

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Observed: 0.153
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 56.30 α = 90.00
b = 87.80 β = 90.00
c = 103.40 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-02-22
  • Released Date: 1995-05-24
  • Deposition author(s): Qian, M., Haser, R., Payan, F.

Revision History

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