>1x89A (A:) observed residues (from ATOM records) tsdlipapplskvplqqnfqdnqfqgkwyvvglagnailredkdpqkmyatiyelkedks ynvtsvlfrkkkcdywirtfvpgsqpgeftlgniksypgltsylvrvvstnynqhamvff kkvsqnreyfkitlygrtkeltselkenfirfskslglpenhivfpvpidqcid