1CPX

BETA FORM OF CARBOXYPEPTIDASE A (RESIDUES 3-307) FROM BOVINE PANCREAS IN AN ORTHORHOMBIC CRYSTAL FORM WITH TWO ZINC IONS IN THE ACTIVE SITE.

Structural Biology Knowledgebase: 1CPX SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.226
  • R-Value Work: 0.167

Literature

Macromolecules
Sequence Display for 1CPX

Classification: HYDROLASE

Total Structure Weight: 34593.52

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (CARBOXYPEPTIDASE A) A 307 Bos taurus EC#: 3.4.17.1 IUBMB
Mutation: E228A, L305V
Details: TRUNCATED FORM OF CPA (RESIDUES 3-307 I.E. THE BETA FORM) INDUCED BY TRACES OF TRYPSIN
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
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
OH
Query on OH

A HYDROXIDE ION
H O
XLYOFNOQVPJJNP-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.226
  • R-Value Work: 0.167
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 48.79 α = 90.00
b = 66.85 β = 90.00
c = 96.02 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-07-27
  • Released Date: 1998-08-05
  • Deposition author(s): Bukrinsky, J.T., Bjerrum, M.J., Kadziola, A.

Revision History

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