>3d0nB (B:) observed residues (from ATOM records)
smsrlswgyrehngpihwkeffpiadgdqqspieiktkevkydsslrplsikydpssaki
isnsghsfnvdfddtenksvlrggpltgsyrlrqvhlhwgsaddhgsehivdgvsyaael
hvvhwnsdkypsfveaahepdglavlgvflqigepnsqlqkitdtldsikekgkqtrftn
fdllsllppswdywtypgsltvppllesvtwivlkqpinissqqlakfrsllctaegeaa
aflvsnhrppqplkgrkvrasfh