1PEK

STRUCTURE OF THE COMPLEX OF PROTEINASE K WITH A SUBSTRATE-ANALOGUE HEXA-PEPTIDE INHIBITOR AT 2.2 ANGSTROMS RESOLUTION


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Observed: 0.165

Literature

Macromolecules
Sequence Display for 1PEK

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 29547.51

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEINASE K E 279 Parengyodontium album EC#: 3.4.21.64 IUBMB
Mutation: A85V
Gene Name(s): PROK
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
PEPTIDE PRO-ALA-PRO-PHE C 4 synthetic Details: THE COMPLETE PEPTIDE IS N-AC-PRO-ALA-PRO-PHE-D-ALA-ALA-NH2 AND IS HYDROLYSED AND REPRESENTED AS CHAINS C AND D
D-DAL-ALA-NH2 D 3 synthetic Details: THE COMPLETE PEPTIDE IS N-AC-PRO-ALA-PRO-PHE-D-ALA-ALA-NH2 AND IS HYDROLYSED AND REPRESENTED AS CHAINS C AND D

Small Molecules
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
DAL
Query on DAL
D D-PEPTIDE LINKING C3 H7 N O2 --
NH2
Query on NH2
D NON-POLYMER H2 N --

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Observed: 0.165
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 68.28 α = 90.00
b = 68.28 β = 90.00
c = 107.87 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-01-19
  • Released Date: 1994-01-31
  • Deposition author(s): Betzel, C., Singh, T.P., Visanji, M., Peters, K., Fittkau, S., Saenger, W., Wilson, K.S.

Revision History

  • 2008-03-03
    Type: Version format compliance
  • 2011-07-13
    Type: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance