1GI4

A NOVEL SERINE PROTEASE INHIBITION MOTIF INVOLVING A MULTI-CENTERED SHORT HYDROGEN BONDING NETWORK AT THE ACTIVE SITE

Structural Biology Knowledgebase: 1GI4 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.37 Å
  • R-Value Free: 0.214
  • R-Value Work: 0.193

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1GI4

Classification: hydrolase

Total Structure Weight: 23779.20

Macromolecule Entities
Molecule Chains Length Organism Details
BETA-TRYPSIN A 223 Bos taurus EC#: 3.4.21.4 IUBMB
Gene Name(s):

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
122
Query on 122

A 2-(2-HYDROXY-PHENYL)-3H-BENZOIMIDAZOLE-5- CARBOXAMIDINE
C14 H13 N4 O
URJKRCBBKTXOHS-UHFFFAOYSA-O
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

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

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
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)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
122 N/A in BindingDB
Ki: 65 nM  BindingMOAD
Ki: 65 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.37 Å
  • R-Value Free: 0.214
  • R-Value Work: 0.193
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 63.66 α = 90.00
b = 63.07 β = 90.00
c = 68.99 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-01-22
  • Released Date: 2002-01-22
  • Deposition author(s): Katz, B.A., Elrod, K., Luong, C., Rice, M., Mackman, R.L., Sprengeler, P.A., Spencer, J., Hatayte, J., Janc, J., Link, J., Litvak, J., Rai, R., Rice, K., Sideris, S., Verner, E., Young, W.

Revision History

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