>3prlB (B:) observed residues (from ATOM records)
qfnanilrngewvesrtgerisisapasgvalgsipalsqeevndaiqgakdaqkiwkir
pihervdllyawadlleerkeiigelimhevakpkksaigevsrtadiirhtadealrln
getlkgdqfkggsskkialvereplgvvlaispfnypvnlaaakiapalvtgntvvfkpa
tqgslsgikmvealadagapegiiqvvtgrgsvigdhlvehpgidmitftggtttgeris
ekakmipvvlelggkdpaivlddadlkltasqivsgafsysgqrctaikrvfvqdsvadq
lvanikelveqltvgspeddaditpvideksaafiqgliddalengatllsgnkrqgnll
sptllddvtpamrvaweepfgpvlpiirvkdaneaislsnqsdyglqasiftkdtdrain
igkhlevgtvhinaktergpdhfpflgvkksglgvqgikpsllsmtrervtvlnla