>2hu6A (A:) observed residues (from ATOM records)
gpvwrkhyityrinnytpdmnredvdyairkafqvwsnvtplkfskintgmadilvvfar
gahgddhafdgkggilahafgpgsgiggdahfdedefwtthsggtnlfltavheighslg
lghssdpkavmfptykyvdintfrlsaddirgiqslyg