Patent 8367804 was granted and assigned to Immunocore on February, 2013 by the United States Patent and Trademark Office.
The present invention provides T cell receptors (TCRs) having the property of binding to SLLMWITQC-HLA-A*0201, the SLLMWITQC SEQ ID NO:126 peptide being derived from the NY-ESO-1 protein which is expressed by a range of tumour cells. The TCRs have a KD for the said peptide-HLA complex of less than or equal to 1 μM and/or have an off-rate (koff) of 1×10−3 S−1 or slower.