>2xrxU (U:) observed residues (from ATOM records)
nwtpeairglvdqekglldpriyadqslyelelervfgrswlllgheshvpetgdflaty
mgedpvvmvrqkdksikvflnqcrhrgmricrsdagnakaftcsyhgwaydiagklvnvp
fekeafdkaewgplqarvatykglvfanwdvqapdletylgdarpymdvmldrtpagtva
iggmqkwvipcnwkfaaeqfcsdmyhagttthlsgilagippemdlsqaqiptkgnqfra
awgghgsgwyvdepgsllavmgpkvtqywtegpaaelaeqrlghtgmpvrrmvgqhmtif
ptcsflptfnniriwhprgpneievwaftlvdadapaeikeeyrrhnirnfsaggvfeqd
dgenwveiqkglrgykaksqplnaqmglgrsqtghpdfpgnvgyvyaeeaargmyhhwmr
mmsepswatlkp