>3dxkF (F:) observed residues (from ATOM records)
tatlrpylsavratlqaalclenfssqvverhnkpevevrsskelllqpvtisrnekekv
liegsinsvrvsiavkqadeiekilchkfmrfmmmraenffilrrkpvegydisflitnf
hteqmykhklvdfvihfmeeidkeisemklsvnararivaeeflknf