Chains and heterogens:
PDB Chain Sequences:
>7cpkA (A:) mndqpfawqvaslseryqeqfdigaavepyqlegrqaqilkhhynslvaenamkpeslqp regewnwegadkivefarkhnmelrfhtlvwhsqvpewffidedgnrmvdetdpdkrean kqlllermenhiktvverykddvtswdvvneviddggglresewyqitgtdyikvafeta rkyggeeaklyindyntevpskrddlynlvkdlleqgvpidgvghqshiqigwpsiedtr asfekftslgldnqvteldmslygwpptgaytsyddipaellqaqadrydqlfelyeela adissvtfwgiadnhtwldgrareynngvgidapfvfdhnyrvkpaywriidlehhhhhh
>7cpkA (A:) dqpfawqvaslseryqeqfdigaavepyqlegrqaqilkhhynslvaenamkpeslqpre gewnwegadkivefarkhnmelrfhtlvwhsqvpewffidedgnrmvdetdpdkreankq lllermenhiktvverykddvtswdvvneviddggglresewyqitgtdyikvafetark yggeeaklyindyntevpskrddlynlvkdlleqgvpidgvghqshiqigwpsiedtras fekftslgldnqvteldmslygwpptgaytsyddipaellqaqadrydqlfelyeelaad issvtfwgiadnhtwldgrareynngvgidapfvfdhnyrvkpaywriidlehhhhh