>6q91D (D:) observed residues (from ATOM records)
qvaellaearafreefgaepelavsapgrvnligehtdynqglvlpmalelmtvlvgspd
glvsllttrlqfplptslepgtprwanyvkgviqyypaaplpgfsavvvssvplggglss
saslevatytflqqlcpdsgtiaaraqvcqqaehsmdqfislmgqkghallidcrslets
lvplsdpklavlitnsnvrhsleypvrrrqceevaralgaaslrevqleeleaardlvsk
egfrrarhvvgeirrtaqaaaalrrgdyrafgrlmveshrslrddyevscpeldqlveaa
lavpgvygsrmtgggfggctvtlleasaaphamrhiqehyggtatfylsqaadgakvlcl