>1zs3L (L:) observed residues (from ATOM records)
tklmidekyakeldkaeidhhkptagamlghvlsnlfienirltqagiyakspvkceylr
eiaqreveyffkisdllldeneivpstteeflkyhkfitedpkakywtdedllesfivdf
qaqnmfitraiklankeekfalaagvvelygynlqvirnlagdlgksvadf