3PTB

THE GEOMETRY OF THE REACTIVE SITE AND OF THE PEPTIDE GROUPS IN TRYPSIN, TRYPSINOGEN AND ITS COMPLEXES WITH INHIBITORS

Structural Biology Knowledgebase: 3PTB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Work: 0.182

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 3PTB

Classification: HYDROLASE (SERINE PROTEINASE)

Total Structure Weight: 23484.63

Macromolecule Entities
Molecule Chains Length Organism Details
BETA-TRYPSIN A 223 Bos taurus EC#: 3.4.21.4 IUBMB

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

A BENZAMIDINE
C7 H8 N2
PXXJHWLDUBFPOL-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
BEN Ki: 31 - 39000 nM (100) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Observed:
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 54.89 α = 90.00
b = 58.52 β = 90.00
c = 67.63 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1982-09-27
  • Released Date: 1983-01-18
  • Deposition author(s): Bode, W., Schwager, P., Walter, J.
  • Previous versions: 1PTB 2PTB

Revision History

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