Chains and heterogens:
PDB Chain Sequences:
>1otvA (A:) mlitdtlspqafeealrakgdfyhihhpyhiamhngdatrkqiqgwvanrfyyqttiplk daaimancpdaqtrrkwvqrildhdgshgedggieawlrlgeavglsrddllserhvlpg vrfavdaylnfarracwqeaacssltelfapqihqsrldswpqhypwikeegyfyfrsrl sqanrdvehglalakaycdsaekqnrmleilqfkldilwsmldamtmayalqrppyhtvt dkaawhttrlvlehhhhhh
>1otvA (A:) litdtlspqafeealrakgdfyhihhpyhiamhngdatrkqiqgwvanrfyyqttiplkd aaimancpdaqtrrkwvqrildhdgshgedggieawlrlgeavglsrddllserhvlpgv rfavdaylnfarracwqeaacssltelfapqihqsrldswpqhypwikeegyfyfrsrls qanrdvehglalakaycdsaekqnrmleilqfkldilwsmldamtmayalqrppyhtvtd kaawhttrlvlehh
>1otvB (B:) mlitdtlspqafeealrakgdfyhihhpyhiamhngdatrkqiqgwvanrfyyqttiplk daaimancpdaqtrrkwvqrildhdgshgedggieawlrlgeavglsrddllserhvlpg vrfavdaylnfarracwqeaacssltelfapqihqsrldswpqhypwikeegyfyfrsrl sqanrdvehglalakaycdsaekqnrmleilqfkldilwsmldamtmayalqrppyhtvt dkaawhttrlvlehhhhhh
>1otvB (B:) litdtlspqafeealrakgdfyhihhpyhiamhngdatrkqiqgwvanrfyyqttiplkd aaimancpdaqtrrkwvqrildhdgshgedggieawlrlgeavglsrddllserhvlpgv rfavdaylnfarracwqeaacssltelfapqihqsrldswpqhypwikeegyfyfrsrls qanrdvehglalakaycdsaekqnrmleilqfkldilwsmldamtmayalqrppyhtvtd kaawhttrlvlehh