1BRA

RELOCATING A NEGATIVE CHARGE IN THE BINDING POCKET OF TRYPSIN

Structural Biology Knowledgebase: 1BRA SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Observed: 0.156

Literature

Macromolecules
Sequence Display for 1BRA

Classification: PROTEINASE / INHIBITOR

Total Structure Weight: 23975.20

Macromolecule Entities
Molecule Chains Length Organism Details
TRYPSIN A 223 Rattus rattus EC#: 3.4.21.4 IUBMB
Mutation: D189G, G226D
Gene Name(s): Prss2 Try2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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 NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
BEN N/A in BindingDB
Ki: 15000000 nM  BindingMOAD
Ki: 15000000 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Observed: 0.156
  • Space Group: I 2 3

Unit Cell:

Length (Å) Angle (°)
a = 124.40 α = 90.00
b = 124.40 β = 90.00
c = 124.40 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1992-12-17
  • Released Date: 1994-04-30
  • Deposition author(s): Perona, J.J., Mcgrath, M.E., Fletterick, R.J.

Revision History

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