>1yr2A (A:) observed residues (from ATOM records)
ppypaspqvplvedhfgekvsdpwrwleadvrtdakvaawvqaqsaytaaylkqlperaa
lekrmkalidyerfglpqrrgasvfyswnsglmnqsqllvrpadapvgtkgrvlldpntw
ataldawaasddgrllaysvqdggsdwrtvkfvgvadgkpladelkwvkfsglawlgnda
llysrfaeplnynqtvwlhrlgtpqsadqpvfatpelpkrghgasvssdgrwvvitsseg
tdpvntvhvarvtngkigpvtalipdlkaqwdfvdgvgdqlwfvsgdgaplkkivrvdls
gstprfdtvvpeskdnlesvgiagnrlfasyihdaksqvlafdldgkpagavslpgigsa
sglsgrpgdrhaylsfssftqpatvlaldpatakttpwepvhltfdpadfrveqvfypsk
dgtkvpmfivrrkdakgplptllygyggfnvaltpwfsagfmtwidsggafalanlrggg
eygdawhdagrrdkkqnvfddfiaagewliangvtprhglaieggsngglligavtnqrp
dlfaaaspavgvmdmlrfdqftagrywvddygypekeadwrvlrryspyhnvrsgvdypa
ilvttadtddrvvpghsfkytaalqtaaigpkphliriepidkqieetadvqaflahftg
ltprpwssvdklaaalehhh