>1x89B (B:) observed residues (from ATOM records)
tsdlipapplskvplqqnfqdnqfqgkwyvvglagnailrepqkmyatiyelkedksynv
tsvlfrkkkcdywirtfvpgsqpgeftlgniksypgltsylvrvvstnynqhamvffkkv
sqnreyfkitlygrtkeltselkenfirfskslglpenhivfpvpidqcid