Chains and heterogens:
PDB Chain Sequences:
>1tv2A (A:) mtfrksfdcydfydrakvgekctqddwdlmkipmkamelkqkygldfkgefiptdkdmme klfkagfemllecgiyctdthrivkytedeiwdainnvqkefvlgtgrdavnvrkrsvgd kakpivqggptgspisedvfmpvhmsyalekevdtivngvmtsvrgkspipkspyevlaa ktetrliknacamagrpgmgvkgpetslsaqgnisadctggmtctdshevsqlnelkidl daisviahykgnsdiimdeqmpifggyaggieettivdvathinavlmssaswhldgpvh irwgstntretlmiagwacatiseftdilsgnqyypcagpctemclleasaqsitdtasg reilsgvasakgvvtdkttgmearmmgevaratagveisevnvildklvslyeknyasap agktfqecydvktvtpteeymqvydgarkkledlglvf
>1tv2A (A:) tfrksfdcydfydrakvgekctqddwdlmkipmkamelkqkygldfkgefiptdkdmmek lfkagfemllecgiyctdthrivkytedeiwdainnvqkefvlgtgrdavnvrkrsvgdk akpivqggptgspisedvfmpvhmsyalekevdtivngvmtsvrgkspipkspyevlaak tetrliknacamagrpgmgvkgpetslsaqgnisadctggmtctdshevsqlnelkidld aisviahykgnsdiimdeqmpifggyaggieettivdvathinavlmssaswhldgpvhi rwgstntretlmiagwacatiseftdilsgnqyypcagpctemclleasaqsitdtasgr eilsgvasakgvvtdkttgmearmmgevaratagveisevnvildklvslyeknyasapa gktfqecydvktvtpteeymqvydgarkkledlglvf