Chains and heterogens:
PDB Chain Sequences:
>2ftqA (A:) mkqylelmqkvldegtqkndrtgtgtlsifghqmrfnlqdgfplvttkrchlrsiihell wflqgdtniaylhennvtiwdewadengdlgpvygkqwrawptpdgrhidqittvlnqlk ndpdsrriivsawnvgeldkmalapchaffqfyvadgklscqlyqrscdvflglpfnias yallvhmmaqqcdlevgdfvwtggdthlysnhmdqthlqlsreprplpkliikrkpesif dyrfedfeiegydphpgikapvai