Chains and heterogens:
PDB Chain Sequences:
>7c19A (A:) mmkpedvikeqcarakvvaelwhgftggapkaalenlvvefnkaqqgrcvrpvpqggyrd lstkikaafaagkvptmaqafennialyleakallpieslgvklqgvnltflnavrfggv vygvpfnksiqvlyynkdllkkhgvpvpatleefvaaakklsraeggpvywfqpdastfa yfffnlggsylkdgklvlnskeavealtllqngvkegwakpitsgainqnlgsgpyafsv dtsagytaylraakfdlgvatlpgrtkgqpgyglvqgtnlvvfrqaskeeqavakdflef vlspraqavfatatgyvpvtegalkdpvyqayaaenpdyativrqsryakfepalaeweq irfdilgqaikeailnkadpkaaldraqklaedllssrtrhhhhhh
>7c19A (A:) mkpedvikeqcarakvvaelwhgftggapkaalenlvvefnkaqqgrcvrpvpqggyrdl stkikaafaagkvptmaqafennialyleakallpieslgvklqgvnltflnavrfggvv ygvpfnksiqvlyynkdllkkhgvpvpatleefvaaakklsraeggpvywfqpdastfay fffnlggsylkdgklvlnskeavealtllqngvkegwakpitsgainqnlgsgpyafsvd tsagytaylraakfdlgvatlpgrtkgqpgyglvqgtnlvvfrqaskeeqavakdflefv lspraqavfatatgyvpvtegalkdpvyqayaaenpdyativrqsryakfepalaeweqi rfdilgqaikeailnkadpkaaldraqklaedlls
>7c19B (B:) mmkpedvikeqcarakvvaelwhgftggapkaalenlvvefnkaqqgrcvrpvpqggyrd lstkikaafaagkvptmaqafennialyleakallpieslgvklqgvnltflnavrfggv vygvpfnksiqvlyynkdllkkhgvpvpatleefvaaakklsraeggpvywfqpdastfa yfffnlggsylkdgklvlnskeavealtllqngvkegwakpitsgainqnlgsgpyafsv dtsagytaylraakfdlgvatlpgrtkgqpgyglvqgtnlvvfrqaskeeqavakdflef vlspraqavfatatgyvpvtegalkdpvyqayaaenpdyativrqsryakfepalaeweq irfdilgqaikeailnkadpkaaldraqklaedllssrtrhhhhhh
>7c19B (B:) mkpedvikeqcarakvvaelwhgftggapkaalenlvvefnkaqqgrcvrpvpqggyrdl stkikaafaagkvptmaqafennialyleakallpieslgvklqgvnltflnavrfggvv ygvpfnksiqvlyynkdllkkhgvpvpatleefvaaakklsraeggpvywfqpdastfay fffnlggsylkdgklvlnskeavealtllqngvkegwakpitsgainqnlgsgpyafsvd tsagytaylraakfdlgvatlpgrtkgqpgyglvqgtnlvvfrqaskeeqavakdflefv lspraqavfatatgyvpvtegalkdpvyqayaaenpdyativrqsryakfepalaeweqi rfdilgqaikeailnkadpkaaldraqklaedllss