>6z2cA (A:) observed residues (from ATOM records)
stsdlipapplskvplqqnfqdnqfhgkwyvvgmagngdlredkdpykmratiyelkedk
synvtwvwflpkkckyfintfvpgsqpgeftlgliksypgqtsllvrvvstnynqhamvf
fktviqnrerfyitlygrtkeltselkenfirfskslglpenhivfpvpidqcidgsa