1APU

Crystallographic analysis of a pepstatin analogue binding to the aspartyl proteinase penicillopepsin at 1.8 angstroms resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Observed: 0.131

Literature

Macromolecules
Sequence Display for 1APU

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 34134.62

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (PENICILLOPEPSIN) E 323 Penicillium janthinellum EC#: 3.4.23.20 IUBMB
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
PEPSTATIN ANALOGUE ISOVALERYL-VAL-VAL-STA-O-ET I 4 synthetic

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
MAN
Query on MAN

I ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Biologically Interesting Molecules 1 Unique
ID Chains Name Type/Class 2D Diagram 3D Interactions
PRD_001238
Query on PRD_001238
I PEPSTATIN ANALOGUE ISOVALERYL-VAL-VAL-STA-O-ET Oligopeptide /
Enzyme inhibitor
Ligand Explorer

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Observed: 0.131
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 97.24 α = 90.00
b = 46.50 β = 115.34
c = 65.65 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1991-12-16
  • Released Date: 1994-01-31
  • Deposition author(s): Sielecki, A.R., James, M.N.G.

Revision History

  • Version 1_0: 1994-01-31

    Type: Initial release

  • Version 1_1: 2008-03-24

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance

  • Version 1_3: 2014-06-04

    Type: Structure summary