>2ou3A (A:) observed residues (from ATOM records)
msdikklgsswiinwffgfnqiptnedssiymksvltcakadgvispeekdwalgfcasw
gvadwviedlktyeadealeeviarspqvsmaqrdillsaiwvsaadgelhekekakirk
matilgikeeivdqleqlyyyeaalrqkrlnllypqkspy