>2pr2A (A:) observed residues (from ATOM records)
glldgkrilvsgiitdssiafhiarvaqeqgaqlvltgfdrlrliqritdrlpakaplle
ldvqneehlaslagrvteaigagnkldgvvhsigfmpqtgmginpffdapyadvskgihi
saysyasmakallpimnpggsivgmdfdpsrampaynwmtvaksalesvnrfvareagky
gvrsnlvaagpirtlamsaivggalgeeagaqiqlleegwdqrapigwnmkdatpvaktv
callsdwlpattgdiiyadggahtqll