1APT

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: 0.135

Literature

Macromolecules
Sequence Display for 1APT

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 34149.64

Macromolecule Entities
Molecule Chains Length Organism Details
PENICILLOPEPSIN E 323 Penicillium janthinellum EC#: 3.4.23.20 IUBMB
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
INHIBITOR ISOVALERYL (IVA)-VAL-VAL-LYSTA-O-ET (LYSTA IS A LYSYL SIDE CHAIN ANALOGUE OF STATIN I 4 synthetic Details: TRANSITION STATE MIMIC INHIBITOR

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

E ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
IVA
Query on IVA
I NON-POLYMER C5 H10 O2 --
LTA
Query on LTA
I L-PEPTIDE LINKING C10 H22 N2 O3 --

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Observed: 0.135
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 97.57 α = 90.00
b = 46.47 β = 116.15
c = 66.39 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