Chains and heterogens:
PDB Chain Sequences:
>1bdu_ (-) mkqylelmqkvldegtqkndrtgtgtlsifghqmrfnlqdgfplvttkrchlrsiihell wflqgdtniaylhennvtiwdewadengdlgpvygkqwrawptpdgrhidqittvlnqlk ndpdsrriivsawnvgeldkmalapchaffqfyvadgklscqlyqrscdvflglpfnias yallvhmmaqqcdlevgdfvwtggdthlysnhmdqthlqlsreprplpkliikrkpesif dyrfedfeiegydphpgikapvai