>1twsB (B:) observed residues (from ATOM records)
kwdydlrcgeytlnlnektlimgilnsdggsynevdaavrhakemrdegahiidiggest
rpgfakvsveeeikrvvpmiqavskevklpisidtykaevakqaieagahiindiwgaka
epkiaevaahydvpiilmhnrdnmnyrnlmadmiadlydsikiakdagvrdeniildpgi
gfaktpeqnleamrnleqlnvlgypvllgtsrksfighvldlpveerlegtgatvclgie
kgcefvrvhdvkemsrmakmmdamigk