>1u7dA (A:) observed residues (from ATOM records)
mdefemikrntseiiseeelrevlkkdeksayigfepsgkihlghylqikkmidlqnagf
diiilladlhaylnqkgeldeirkigdynkkvfeamglkakyvygsefqldkdytlnvyr
lalkttlkrarrsenpkvaeviypimqvndihylgvdvavggmeqrkihmlarellpkkv
vcihnpvltgldgekgnfiavddspeeirakikkaycpagvvegnpimeiakyfleyplt
ikrpekfggdltvnsyeeleslfknkelhpmdlknavaeelikilepirkrl