>4nilA (A:) observed residues (from ATOM records)
mkwdydlrcgeytlnlnektlimgilnvtpdsfsdggsynevdaavrhakemrdegahii
diggestrpgfakvsveeeikrvvpmiqavskevklpisidtykaevakqaieagahiin
diwgakaepkiaevaahydvpiilmhnrdnmnyrnlmadmiadlydsikiakdagvrden
iildpgigfaktpeqnleamrnleqlnvlgypvllgtsrksfighvldlpveerlegtga
tvclgiekgcefvrvhdvkemsrmakmmdamigk