2Q11

Structure of BACE complexed to compound 1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.337 
  • R-Value Work: 0.278 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

2-Amino-3,4-dihydroquinazolines as inhibitors of BACE-1 (beta-Site APP cleaving enzyme): Use of structure based design to convert a micromolar hit into a nanomolar lead.

Baxter, E.W.Conway, K.A.Kennis, L.Bischoff, F.Mercken, M.H.Winter, H.L.Reynolds, C.H.Tounge, B.A.Luo, C.Scott, M.K.Huang, Y.Braeken, M.Pieters, S.M.Berthelot, D.J.Masure, S.Bruinzeel, W.D.Jordan, A.D.Parker, M.H.Boyd, R.E.Qu, J.Alexander, R.S.Brenneman, D.E.Reitz, A.B.

(2007) J.Med.Chem. 50: 4261-4264

  • DOI: 10.1021/jm0705408
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • A new aspartic protease inhibitory chemotype bearing a 2-amino-3,4-dihydroquinazoline ring was identified by high-throughput screening for the inhibition of BACE-1. X-ray crystallography revealed that the exocyclic amino group participated in a hydro ...

    A new aspartic protease inhibitory chemotype bearing a 2-amino-3,4-dihydroquinazoline ring was identified by high-throughput screening for the inhibition of BACE-1. X-ray crystallography revealed that the exocyclic amino group participated in a hydrogen bonding array with the two catalytic aspartic acids of BACE-1 (Asp(32), Asp(228)). BACE-1 inhibitory potency was increased (0.9 microM to 11 nM K(i)) by substitution into the unoccupied S(1)' pocket.


    Organizational Affiliation

    Johnson & Johnson Pharmaceutical Research and Development, LLC, Spring House, Pennsylvania 19477, USA. ebaxter@prdus.jnj.com




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Beta-secretase 1
A, B, C
388Homo sapiensMutation(s): 4 
Gene Names: BACE1 (BACE, KIAA1149)
EC: 3.4.23.46
Find proteins for P56817 (Homo sapiens)
Go to Gene View: BACE1
Go to UniProtKB:  P56817
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
XX4
Query on XX4

Download SDF File 
Download CCD File 
A, B, C
3-(2-AMINO-6-BENZOYLQUINAZOLIN-3(4H)-YL)-N-CYCLOHEXYL-N-METHYLPROPANAMIDE
C25 H30 N4 O2
KTRFBFMYAJOXLG-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
XX4Ki: 900 nM (98) BINDINGDB
XX4Ki: 900 nM BINDINGMOAD
XX4Ki: 900 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.337 
  • R-Value Work: 0.278 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 235.900α = 90.00
b = 108.500β = 102.94
c = 63.100γ = 90.00
Software Package:
Software NamePurpose
CNSrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2007-05-23 
  • Released Date: 2007-08-14 
  • Deposition Author(s): Sharff, A.J.

Revision History 

  • Version 1.0: 2007-08-14
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance