1PFG

Strategy to design inhibitors: Structure of a complex of Proteinase K with a designed octapeptide inhibitor N-Ac-Pro-Ala-Pro-Phe-DAla-Ala-Ala-Ala-NH2 at 2.5A resolution

Structural Biology Knowledgebase: 1PFG SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Work: 0.167

Literature

Macromolecules
Sequence Display for 1PFG

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 29697.86

Macromolecule Entities
Molecule Chains Length Organism Details
Proteinase K A 279 Parengyodontium album EC#: 3.4.21.64 IUBMB
Mutation: A85V
Gene Name(s): PROK
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
N-Ac-PAPFAAAA-NH2 B 10 synthetic

Small Molecules
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
ACE
Query on ACE
B NON-POLYMER C2 H4 O --
NH2
Query on NH2
B NON-POLYMER H2 N --

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed:
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 68.00 α = 90.00
b = 68.00 β = 90.00
c = 107.70 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-05-27
  • Released Date: 2003-06-10
  • Deposition author(s): Saxena, A.K., Singh, T.P., Peters, K., Fittkau, S., Betzel, C.

Revision History

  • 2011-07-13
    Type: Linkage | Details: Linkage
  • 2011-07-13
    Type: Sequence database correspondence | Details: Sequence database correspondence
  • 2011-07-13
    Type: Polymer description | Details: Changed inhibitor presentation or chemistry
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Atom nomenclature | Details: Atom nomenclature
  • 2011-07-13
    Type: Binding sites and description | Details: Binding sites and description
  • 2011-07-13
    Type: Non-polymer description | Details: Non-polymer description
  • 2011-07-13
    Type: Function and keywords | Details: Function and keywords