1EAT

NONPEPTIDIC INHIBITORS OF HUMAN LEUKOCYTE ELASTASE. 5. DESIGN, SYNTHESIS, AND X-RAY CRYSTALLOGRAPHY OF A SERIES OF ORALLY ACTIVE 5-AMINO-PYRIMIDIN-6-ONE-CONTAINING TRIFLUOROMETHYLKETONES


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Work: 0.167 
  • R-Value Observed: 0.167 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Nonpeptidic inhibitors of human leukocyte elastase. 5. Design, synthesis, and X-ray crystallography of a series of orally active 5-aminopyrimidin-6-one-containing trifluoromethyl ketones.

Veale, C.A.Bernstein, P.R.Bryant, C.Ceccarelli, C.Damewood Jr., J.R.Earley, R.Feeney, S.W.Gomes, B.Kosmider, B.J.Steelman, G.B.Thomas, R.M.Vacek, E.P.Williams, J.C.Wolanin, D.J.Woolson, S.

(1995) J Med Chem 38: 98-108

  • DOI: 10.1021/jm00001a015
  • Primary Citation of Related Structures:  
    1EAT

  • PubMed Abstract: 
  • The effects of changes in substitution in a series of 5-amino-2-pyrimidin-6-ones on both in vitro activity and oral activity in an acute hemorrhagic assay have been explored. These compounds contained either a trifluoromethyl ketone or a boronic acid moiety to bind covalently to the Ser-195 hydroxyl of human leukocyte elastase (HLE) ...

    The effects of changes in substitution in a series of 5-amino-2-pyrimidin-6-ones on both in vitro activity and oral activity in an acute hemorrhagic assay have been explored. These compounds contained either a trifluoromethyl ketone or a boronic acid moiety to bind covalently to the Ser-195 hydroxyl of human leukocyte elastase (HLE). Boronic acid-containing inhibitors were found to be more potent than the corresponding trifluoromethyl ketones in vitro but were less active upon oral administration. Compound 13b was found to offer the best combination of oral potency, duration of action, and enzyme selectivity and, as such, was selected for further biological testing. X-ray crystallography of a cocrystallized complex of compound 19m and porcine pancreatic elastase demonstrated that the inhibitor is bound to the enzyme in a manner similar to that found previously for a closely related series of pyridone-containing inhibitors of HLE.


    Related Citations: 
    • Nonpeptidic Inhibitors of Human Leukocyte Elastase. 6. Design of a Potent, Intratracheally Active, Pyridone-Based Trifluoromethyl Ketone
      Bernstein, P.R., Gomes, B.C., Kosmider, B.J., Vacek, E.P., Williams, J.C.
      () To be published --: --
    • Nonpeptidic Inhibitors of Human Leukocyte Elastase. 4. Design, Synthesis,in Vitro, and in Vivo Activity of a Series of Beta-Carbolinone-Containing Trifluoromethyl Ketones
      Veale, C.A., Damewood, J.R., Steelman, G.B., Bryant, C., Gomes, B., Williams, J.
      () To be published --: --
    • Nonpeptidic Inhibitors of Human Leukocyte Elastase. 3. Design, Synthesis, X-Ray Crystallographic Analysis, and Structure-Activity Relationships for a Series of Orally Active 3-Amino-6-Phenylpyridin-2-One Trifluoromethyl Ketones
      Bernstein, P.R., Andisik, D., Bradley, P.K., Bryant, C.B., Ceccarelli, C., Damewood, J.R., Earley, R., Edwards, P.D., Feeney, S., Gomes, B.C., Kosmider, B.J., Steelman, G.B., Thomas, R.M., Vacek, E.P., Veale, C.A., Williams, J.C., Wolanin, D.J., Woolson, S.A.
      (1994) J Med Chem 37: 3313
    • Nonpeptidic Inhibitors of Human Leukocyte Elastase. 2. Design, Synthesis and in Vitro Activity of a Series of 3-Amino-6-Arylpyridin-2-One Trifluoromethyl Ketones
      Damewood, J.R., Edwards, P.D., Feeney, S., Gomes, B.C., Steelman, G.B., Tuthill, P.A., Warner, P., Williams, J.C., Woolson, S.A., Wolanin, D., Veale, C.
      (1994) J Med Chem 37: 3303
    • Nonpeptidic Inhibitors of Human Leukocyte Elastase. 1. The Design and Synthesis of Pyridone-Containing Inhibitors
      Warner, P., Green, R.C., Gomes, B.C., Williams, J.C.
      (1994) J Med Chem 37: 3090
    • Design of Orally Active, Nonpeptidic Inhibitors of Human Leukocyte Elastase
      Brown, F.J., Andisik, D.W., Bernstein, P.R., Bryant, C.B., Ceccarelli, C., Damewood, J.R., Edwards, P.D., Earley, R., Feeney, S.W., Green, R.C., Gomes, B., Kosmider, B.J., Krell, R., Shaw, A., Steelman, G.B., Thomas, R.M., Vacek, E.P., Veale, C.A., Tuthill, P.A., Warner, P., Williams, J.C., Wolanin, D.J., Woolson, S.A.
      (1994) J Med Chem 37: 1259
    • Design, Synthesis, and Kinetic Evaluation of a Unique Class of Elastase Inhibitors, the Peptidyl Alpha-Ketobenzoxazoles,and the X-Ray Crystal Structure of the Covalent Complex between Porcine Pancreatic Elastase and Ac-Ala-Pro-Val-2-Benzoxazole
      Edwards, P.D., Meyer, E.F., Vijayalakshmi, J., Tuthill, P.A., Andisik, D.A., Gomes, B., Strimpler, A.
      (1992) J Am Chem Soc 114: 1854
    • Crystal Structure of the Covalent Complex Formed by a Peptidyl Alpha,Alpha-Difluoro-Beta-Keto Amide with Porcine Pancreatic Elastase at 1.78-Angstrom Resolution
      Takahashi, L.H., Radhakrishnan, R., Rosenfield, R.E., Meyer, E.F., Trainor, D.A.
      (1989) J Am Chem Soc 111: 3368
    • X-Ray Diffraction Analysis of the Inhibition of Porcine Pancreatic Elastase by a Peptidyl Trifluoromethylketone
      Takahashi, L.H., Radhakrishnan, R., Rosenfield, R.E., Meyer, E.F., Trainor, D.A., Stein, M.
      (1988) J Mol Biol 201: 423

    Organizational Affiliation

    Department of Medicinal Chemistry, ZENECA Pharmaceuticals, Wilmington, Delaware 19897.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
PORCINE PANCREATIC ELASTASEA240Sus scrofaMutation(s): 0 
Gene Names: CELA1ELA1
EC: 3.4.21.36
UniProt
Find proteins for P00772 (Sus scrofa)
Explore P00772 
Go to UniProtKB:  P00772
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
TFI
Query on TFI

Download Ideal Coordinates CCD File 
E [auth A]2-[5-METHANESULFONYLAMINO-2-(4-AMINOPHENYL)-6-OXO-1,6-DIHYDRO-1-PYRIMIDINYL]-N-(3,3,3-TRIFLUORO-1-ISOPROPYL-2-OXOPROPYL)ACETAMIDE
C19 H22 F3 N5 O5 S
JWSWTHSJMGVOKE-HNNXBMFYSA-N
 Ligand Interaction
SO4
Query on SO4

Download Ideal Coordinates CCD File 
C [auth A], D [auth A]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
NA
Query on NA

Download Ideal Coordinates CCD File 
B [auth A]SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
TFIKi :  15   nM  PDBBind
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Work: 0.167 
  • R-Value Observed: 0.167 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 51.99α = 90
b = 57.79β = 90
c = 75.72γ = 90
Software Package:
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
X-PLORphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

  • Deposited Date: 1994-11-22 
  • Released Date: 1995-02-07 
  • Deposition Author(s): Ceccarelli, C.

Revision History  (Full details and data files)

  • Version 1.0: 1995-02-07
    Type: Initial release
  • Version 1.1: 2008-03-03
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2012-02-22
    Changes: Database references