>3f2lA (A:) observed residues (from ATOM records)
aptssieivldkttasvgeivtasiniknitnfsgcqlnmkydpavlqpvtssgvaytks
tmpgagtilnsdfnlrqvadndlekgilnfskayvslddyrtaaapeqtgtvavvkfkvl
keetssisfedttsvpnaidgtvlfdwngdriqsgysviqpavinldmiaa