>1bp3A (A:) observed residues (from ATOM records)
fptiplsrlfdnamlrahrlhqlafdtyqefeeayipkeqkysflqnpqtslcfsesipt
psnreetqqksnlellrisllliqswlepvqflrsvfanslvygasdsnvydllkdleer
iqtlmgrledgsprtgqifkqtyskfdtddallknygllycfrkdmdkvetflrivqcrs
vegscg