>5chwD (D:) observed residues (from ATOM records)
awdlkvkmlggndflvsvtnsmtvselkkqiaqkigvpafqqrlahqtavlqdgltlssl
glgpsstvmlvvqnsseplsilvrnerghsniyevfltqtvdtlkkkvsqreqvhedqfw
lsfegrpmedkellgeyglkpqctvikhlrlrgg