>2czzX (X:) observed residues (from ATOM records)
meetrpidgltdedireiltrykkialvgaspkperdanivmkyllehgydvypvnpkye
evlgrkcypsvldipdkievvdlfvkpkltmeyveqaikkgakvvwfqyntynreaskka
deagliivanrcmmreherllg