>4aznA (A:) observed residues (from ATOM records)
shmaslkdlegkwrlmeshgfeeymkelgvglalrkmaamakpdciitcdgnnitvktes
tvkttvfscnlgekfeettadgrktetvctfqdgalvqhqqwdgkestitrklkdgkmiv
ecvmnnatctrvyekv