>1zs3F (F:) observed residues (from ATOM records)
tklmidekyakeldkaeidhhkptagamlghvlsnlfienirltqagiyakspvkceylr
eiaqreveyffkisdllldeneivpstteeflkyhkfitedpkakywtdedllesfivdf
qaqnmfitraiklankeekfalaagvvelygynlqvirnlagdlgksvadf