1IY7

Crystal Structure of CPA and sulfamide-based inhibitor complex

Structural Biology Knowledgebase: 1IY7 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.208
  • R-Value Work: 0.175

Literature

Macromolecules
Sequence Display for 1IY7

Classification: HYDROLASE

Total Structure Weight: 34752.44

Macromolecule Entities
Molecule Chains Length Organism Details
Carboxypeptidase A A 307 Bos taurus EC#: 3.4.17.1 IUBMB
Gene Name(s): CPA1 Gene View CPA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A PHENYLALANINE-N-SULFONAMIDE
C9 H12 N2 O4 S
PHGMHLLGXKQIDY-QMMMGPOBSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
CXA Ki: 650 nM (97) BindingDB

Ki: 650 nM  BindingMOAD
Ki: 640 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.208
  • R-Value Work: 0.175
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 51.69 α = 90.00
b = 60.47 β = 82.55
c = 47.26 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-07-24
  • Released Date: 2003-01-28
  • Deposition author(s): Kim, S.J., Woo, J.R., Park, J.D., Kim, D.H., Ryu, S.E.

Revision History

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