1C2K

RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE PROTEASES

Structural Biology Knowledgebase: 1C2K SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.243
  • R-Value Work: 0.202

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1C2K

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 23691.88

Macromolecule Entities
Molecule Chains Length Organism Details
TRYPSIN A 223 Bos taurus EC#: 3.4.21.4 IUBMB
Details: COMPLEXED WITH 5-AMIDINO-BENZIMIDAZOLE

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

A 5-AMIDINO-BENZIMIDAZOLE
C8 H9 N4
UHGFPMUGEQINGV-UHFFFAOYSA-O
Ligand Explorer
 
JSmol
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
CL
Query on CL

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer
 
JSmol
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
JSmol

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.243
  • R-Value Work: 0.202
  • Space Group: P 31 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 54.91 α = 90.00
b = 54.91 β = 90.00
c = 108.93 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-07-21
  • Released Date: 2000-07-26
  • Deposition author(s): Katz, B.A., Luong, C.

Revision History

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