>5xrtA (A:) observed residues (from ATOM records)
nsmatlclghhavpngtlvktitddqievtnatelvqssstgricnsphqildgknctli
dallgdphcddfqnkewdlfverstaysncypyyvpdyatlrslvassgnleftqesfnw
tgvaqdgssyacrrgsvnsffsrlnwlynlnykypeqnvtmpnndkfdklyiwgvhhpgt
dkdqtnlyvqasgrvivstkrsqqtvipnigsrpwvrgvssiisiywtivkpgdillins
tgnliaprgyfkiqsgkssimrsdahidecnsecitpngsipndkpfqnvnkitygacpr
yvkqntlklatgmrnvpek