1P2Q

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

Structural Biology Knowledgebase: 1P2Q SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.221
  • R-Value Work: 0.206

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1P2Q

Classification: hydrolase / hydrolase inhibitor

Total Structure Weight: 65632.36

Macromolecule Entities
Molecule Chains Length Organism Details
Chymotrypsinogen A A, C 245 Bos taurus EC#: 3.4.21.1 IUBMB
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Pancreatic trypsin inhibitor B, D 58 Bos taurus Mutation: K15F, 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
TRS
Query on TRS

A, C 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
TRIS BUFFER (Synonym)
C4 H12 N O3
LENZDBCJOHFCAS-UHFFFAOYSA-O
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B, C, D SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.221
  • R-Value Work: 0.206
  • Space Group: P 61
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 99.57 α = 90.00
b = 99.57 β = 90.00
c = 205.22 γ = 120.00

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