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