>2ch1D (D:) observed residues (from ATOM records)
kftpppaslrnpliipekimmgpgpsncskrvltamtntvlsnfhaelfrtmdevkdglr
yifqtenratmcvsgsahagmeamlsnlleegdrvliavngiwaeravemserygadvrt
iegppdrpfsletlaraielhqpkclflthgdsssgllqplegvgqichqhdcllivdav
aslcgvpfymdkweidavytgaqvlgappgitpisispkaldvirnrrtkskvfywdlll
lgnywgcydepkryhhtvasnlifalrealaqiaeeglenqikrriecaqilyeglgkmg
ldifvkdprhrlptvtgimipkgvdwwkvsqyamnnfslevqgglgptfgkawrvgimge
cstvqkiqfylygfkeslkathpdyif