Chains and heterogens:
PDB Chain Sequences:
>1yr2A (A:) mknrlwlamaaplalatpvafaqtpptlakdqampslppypaspqvplvedhfgekvsdp wrwleadvrtdakvaawvqaqsaytaaylkqlperaalekrmkalidyerfglpqrrgas vfyswnsglmnqsqllvrpadapvgtkgrvlldpntwakdgataldawaasddgrllays vqdggsdwrtvkfvgvadgkpladelkwvkfsglawlgndallysrfaepkegqafqaln ynqtvwlhrlgtpqsadqpvfatpelpkrghgasvssdgrwvvitssegtdpvntvhvar vtngkigpvtalipdlkaqwdfvdgvgdqlwfvsgdgaplkkivrvdlsgstprfdtvvp eskdnlesvgiagnrlfasyihdaksqvlafdldgkpagavslpgigsasglsgrpgdrh aylsfssftqpatvlaldpatakttpwepvhltfdpadfrveqvfypskdgtkvpmfivr rkdakgplptllygyggfnvaltpwfsagfmtwidsggafalanlrgggeygdawhdagr rdkkqnvfddfiaagewliangvtprhglaieggsngglligavtnqrpdlfaaaspavg vmdmlrfdqftagrywvddygypekeadwrvlrryspyhnvrsgvdypailvttadtddr vvpghsfkytaalqtaaigpkphlirietraghgsgkpidkqieetadvqaflahftglt prpwssvdklaaalehhhhhh
>1yr2A (A:) ppypaspqvplvedhfgekvsdpwrwleadvrtdakvaawvqaqsaytaaylkqlperaa lekrmkalidyerfglpqrrgasvfyswnsglmnqsqllvrpadapvgtkgrvlldpntw ataldawaasddgrllaysvqdggsdwrtvkfvgvadgkpladelkwvkfsglawlgnda llysrfaeplnynqtvwlhrlgtpqsadqpvfatpelpkrghgasvssdgrwvvitsseg tdpvntvhvarvtngkigpvtalipdlkaqwdfvdgvgdqlwfvsgdgaplkkivrvdls gstprfdtvvpeskdnlesvgiagnrlfasyihdaksqvlafdldgkpagavslpgigsa sglsgrpgdrhaylsfssftqpatvlaldpatakttpwepvhltfdpadfrveqvfypsk dgtkvpmfivrrkdakgplptllygyggfnvaltpwfsagfmtwidsggafalanlrggg eygdawhdagrrdkkqnvfddfiaagewliangvtprhglaieggsngglligavtnqrp dlfaaaspavgvmdmlrfdqftagrywvddygypekeadwrvlrryspyhnvrsgvdypa ilvttadtddrvvpghsfkytaalqtaaigpkphliriepidkqieetadvqaflahftg ltprpwssvdklaaalehhh