1PCA

THREE DIMENSIONAL STRUCTURE OF PORCINE PANCREATIC PROCARBOXYPEPTIDASE A. A COMPARISON OF THE A AND B ZYMOGENS AND THEIR DETERMINANTS FOR INHIBITION AND ACTIVATION

Structural Biology Knowledgebase: 1PCA SBKB.org


Experimental Data Snapshot

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

Literature

Macromolecules
Sequence Display for 1PCA

Classification: HYDROLASE(C-TERMINAL PEPTIDASE)

Total Structure Weight: 45678.94

Macromolecule Entities
Molecule Chains Length Organism Details
PROCARBOXYPEPTIDASE A PCPA A 403 Sus scrofa EC#: 3.4.17.1 IUBMB
Mutation: A3AK, Q31A, S40R, N57S, T66S, V74I, D89N, D93N, P94S, A95S, N102S, L103M, D114N, E122D, M125L, R132K, T133A, F137L, V141S, P143S, N159S, S162A, F169Y, V180T, N184K, D185N, H186N, E211Q, A212S, D217S, D220N, S223A, T231K, K237S, F238Y, Q239K, T246V, T254V, Y277R, H307N, P308S
Gene Name(s): CPA1 Gene View CPA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A CITRIC ACID
C6 H8 O7
KRKNYBCHXYNGOX-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
VAL
Query on VAL

A VALINE
C5 H11 N O2
KZSNJWFQEVHDMF-BYPYZUCNSA-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)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed:
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 127.06 α = 90.00
b = 76.92 β = 90.00
c = 47.52 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1991-10-28
  • Released Date: 1993-10-31
  • Deposition author(s): Guasch, A., Coll, M., Aviles, F.X., Huber, R.

Revision History

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