1EST

THE ATOMIC STRUCTURE OF CRYSTALLINE PORCINE PANCREATIC ELASTASE AT 2.5 ANGSTROMS RESOLUTION. COMPARISONS WITH THE STRUCTURE OF ALPHA-CHYMOTRYPSIN

Structural Biology Knowledgebase: 1EST SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Work:

Literature

Macromolecules
Sequence Display for 1EST

Classification: HYDROLASE

Total Structure Weight: 26196.45

Macromolecule Entities
Molecule Chains Length Organism Details
PORCINE PANCREATIC ELASTASE A 240 Sus scrofa EC#: 3.4.21.36 IUBMB
Mutation: D77N
Gene Name(s): CELA1 Gene View ELA1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A PARA-TOLUENE SULFONATE
C7 H8 O3 S
JOXIMZWYDAKGHI-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed:
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 51.50 α = 90.00
b = 58.00 β = 90.00
c = 75.50 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1976-05-17
  • Released Date: 1976-05-27
  • Deposition author(s): Sawyer, L., Shotton, D.M., Watson, H.C.

Revision History

  • 2011-08-24
    Type: Non-polymer description | Details: --
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4