Chains and heterogens:
PDB Chain Sequences:
>3pwkA (A:) mgytvavvgatgavgaqmikmleestlpidkirylasarsagkslkfkdqditieettet afegvdialfsagsstsakyapyavkagvvvvdntsyfrqnpdvplvvpevnahaldahn giiacpncstiqmmvalepvrqkwgldriivstyqavsgagmgailetqrelrevlndgv kpcdlhaeilpsggdkkhypiafnalpqidvftdndytyeemkmtketkkimeddsiavs atcvripvlsahsesvyietkevapieevkaaiaafpgavleddvahqiypqainavgsr dtfvgrirkdldaekgihmwvvsdnllkgaawnsvqiaetlherglvrptaelkfelkle hhhhhh
>3pwkA (A:) gytvavvgatgavgaqmikmleestlpidkirylasarsagkslkfkdqditieetteta fegvdialfsagsstsakyapyavkagvvvvdntsyfrqnpdvplvvpevnahaldahng iiacpncstiqmmvalepvrqkwgldriivstyqavsgagmgailetqrelrevlndgvk pcdlhaeilpsggdkkhypiafnalpqidvftdndytyeemkmtketkkimeddsiavsa tcvripvlsahsesvyietkevapieevkaaiaafpgavleddvahqiypqainavgsrd tfvgrirkdldaekgihmwvvsdnllkgaawnsvqiaetlherglvrptaelkfelk
>3pwkB (B:) mgytvavvgatgavgaqmikmleestlpidkirylasarsagkslkfkdqditieettet afegvdialfsagsstsakyapyavkagvvvvdntsyfrqnpdvplvvpevnahaldahn giiacpncstiqmmvalepvrqkwgldriivstyqavsgagmgailetqrelrevlndgv kpcdlhaeilpsggdkkhypiafnalpqidvftdndytyeemkmtketkkimeddsiavs atcvripvlsahsesvyietkevapieevkaaiaafpgavleddvahqiypqainavgsr dtfvgrirkdldaekgihmwvvsdnllkgaawnsvqiaetlherglvrptaelkfelkle hhhhhh
>3pwkB (B:) gytvavvgatgavgaqmikmleestlpidkirylasarsagkslkfkdqditieetteta fegvdialfsagsstsakyapyavkagvvvvdntsyfrqnpdvplvvpevnahaldahng iiacpncstiqmmvalepvrqkwgldriivstyqavsgagmgailetqrelrevlndgvk pcdlhaeilpsggdkkhypiafnalpqidvftdndytyeemkmtketkkimeddsiavsa tcvripvlsahsesvyietkevapieevkaaiaafpgavleddvahqiypqainavgsrd tfvgrirkdldaekgihmwvvsdnllkgaawnsvqiaetlherglvrptaelkfelkle