Engineered botulinum neurotoxin C1 with selective substrate specificity
US8853360B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2011 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | May 14, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2333/33
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
An isolated polypeptide comprising a botulinum neurotoxin C1 light chain having a modified amino acid sequence relative to the sequence of a wild-type botulinum neurotoxin C1 light chain is disclosed. The modified botulinum neurotoxin C1 light chain is capable of selectively cleaving syntaxin protein, but has substantially reduced or no activity against SNAP-25 as compared to wild type botulinum neurotoxin C1 light chain, and is thus useful as a research tool and in medical treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.