>3r7tA (A:) observed residues (from ATOM records)
mskadiivgiqwgdegkgkvvdklcenydfvcrsagghnaghtiwvngvryalhlmpsgv
lhprciniigngvvvspevliaemaqfenlkgrlyisdrahlnlkhhslidiakeklkgk
gigpsyadkinrtghrvgellepqrlcealikdfeanktffemleieipsaeelladlkr
fneiltpyitdttrmlwkaldedkrvllegaqgsmldidhgtypyvtssstisagtltgl
glnpkeagniigivkayatrvgngafptedkgedgekiaqigkeigvstgrkrrcgwfda
vavrytarlngldalslmkldvldgfekikicrayeykgmeidyipsdlenvqpiyeemd
gwdkvfgikdydllpenakkyiarleelagvkvkyistsperddtiil