1P2I

Structural consequences of accommodation of four non-cognate amino-acid residues in the S1 pocket of bovine trypsin and chymotrypsin

Structural Biology Knowledgebase: 1P2I SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.210
  • R-Value Work: 0.201

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1P2I

Classification: hydrolase / hydrolase inhibitor

Total Structure Weight: 29994.04

Macromolecule Entities
Molecule Chains Length Organism Details
Trypsinogen, cationic A 223 Bos taurus EC#: 3.4.21.4 IUBMB
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Pancreatic trypsin inhibitor I 58 Bos taurus Mutation: K15G, M52L
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

I SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.210
  • R-Value Work: 0.201
  • Space Group: I 2 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 74.70 α = 90.00
b = 81.00 β = 90.00
c = 124.09 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-04-15
  • Released Date: 2004-04-20
  • Deposition author(s): Helland, R., Czapinska, H., Leiros, I., Olufsen, M., Otlewski, J., Smalaas, A.O.

Revision History

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