1C1R

RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE PROTEASES

Structural Biology Knowledgebase: 1C1R SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.37 Å
  • R-Value Free: 0.219
  • R-Value Work: 0.197

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1C1R

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 23918.68

Macromolecule Entities
Molecule Chains Length Organism Details
TRYPSIN A 223 Bos taurus EC#: 3.4.21.4 IUBMB
Details: COMPLEXED WITH (5-AMIDINO-2-BENZIMIDAZOLYL)(2-BENZIMIDAZOLYL)METHANE
Gene Name(s):

Small Molecules
Ligands 6 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
BAI
Query on BAI

A (5-AMIDINO-2-BENZIMIDAZOLYL)(2-BENZIMIDAZOLYL)METHANE
HEMI-BABIM (Synonym)
C16 H14 N6
KKJYVDXDZURHMA-UHFFFAOYSA-N
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)
DMS
Query on DMS

A DIMETHYL SULFOXIDE
C2 H6 O S
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
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)
MG
Query on MG

A MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
BAI N/A in BindingDB
Ki: 23.5 nM  BindingMOAD
Ki: 23.5 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.37 Å
  • R-Value Free: 0.219
  • R-Value Work: 0.197
  • Space Group: P 31 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 54.86 α = 90.00
b = 54.86 β = 90.00
c = 109.79 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
  • 2011-07-13
    Type: Atom occupancy | Details: Restore author's atom occupancy