>6fttF (F:) observed residues (from ATOM records)
flgltlalskgrileetmpllraagvelledpeasrklifptsnpnvrvlilrasdvpty
vehgaadfgvagkdvllehganhvyelldlkiaqcklmtagvkdaplpnrrlriatkyvn
varayfasqgqqvdviklygsmelaplvglgdlivdvvdtgntlrangleardhicdvss
rlivnqvsykrkfallepildsfknsin