>5i2zA (A:) observed residues (from ATOM records)
pvwrkhyityrinnytpdmnredvdyairkafqvwsnvtplkfskintgmadilvvfarg
ahgddhafdgkggilahafgpgsgiggdahfdedefwtthsggtnlfltavhqighslgl
ghssdpkavmfptykyvdintfrlsaddirgiqslyg