(19)

(11)

EP 2 041 165 A2

(12)

(43) Date of publication: 01.04.2009 Bulletin 2009/14 (21) Application number: 07733038.9 (22) Date of filing: 31.05.2007

(51) International Patent Classification (IPC):  C07K 14/31(2006.01) (86) International application number: PCT/GB2007/002022 (87) International publication number: WO 2007/138328 (06.12.2007 Gazette 2007/49)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 31.05.2006 GB 0610776 (71) Applicant: The University of Bath Bath Somerset BA2 7AY (GB)	(72) Inventor: VAN DEN ELSEN, Jean Department of Biology & Biochemistry Bath, Somerset BA2 7AY (GB) (74) Representative: Forrest, Graham Robert et al Mewburn Ellis LLP 33 Gutter Lane London EC2V 8AS London EC2V 8AS (GB)