Patent · US Expired

Butyrylcholinesterase variants and methods of use

US7070973B2 · kind B2 · utility

1Cited by
3References
2Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 26, 2000
Grant dateJul 4, 2006
Priority date
Expiry dateAug 13, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K38/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention provides four butyrylcholinesterase variants having increased cocaine hydrolysis activity as well as the corresponding encoding nucleic acids. The invention also provides libraries comprising butyrylcholinesterase variants having at least one amino acid alteration in one or more regions of butyrylcholinesterase and further having at least one butyrylcholinesterase variant exhibiting enhanced cocaine hydrolysis activity compared to butyrylcholinesterase. The invention further provides methods of hydrolyzing a cocaine-based butyrylcholinesterase substrate as well as methods of treating a cocaine-induced condition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.