Chains and heterogens:
PDB Chain Sequences:
>4zzqA (A:) ekigkltpevhppmtfqkcseggscetiqgevvvdanwrwvhsaqgqncytgntwnptic pddetcaencyldganyesvygvttsedsvrlnfvtqsqgknigsrlflmsnesnyqlfh vlgqeftfdvdvsnldcglngalylvsmdsdggsarfptneagakygtgycdaqcprdlk fisgsanvdgwipstnnpntgygnlgsccaemdlweannmatavtphpcdtssqsvcksd scggaassnryggicdpdgcdynpyrmgntsffgpnkmidtnsvitvvtqfitddgssdg kltsikrlyvqdgnvisqsvstidgvegnevneefctnqkkvfgdedsftkhgglakmge alkdgmvlvlslwddyqanmlwldssypttssptdpgvargscpttsgvpskveqnypna yvvysnikvgpidstykk
>4zzqA (A:) ekigkltpevhppmtfqkcseggscetiqgevvvdanwrwvhsaqgqncytgntwnptic pddetcaencyldganyesvygvttsedsvrlnfvtqsqgknigsrlflmsnesnyqlfh vlgqeftfdvdvsnldcglngalylvsmdsdggsarfptneagakygtgycdaqcprdlk fisgsanvdgwipstnnpntgygnlgsccaemdlweannmatavtphpcdtssqsvcksd scggaassnryggicdpdgcdynpyrmgntsffgpnkmidtnsvitvvtqfitddgssdg kltsikrlyvqdgnvisqsvstidgvegnevneefctnqkkvfgdedsftkhgglakmge alkdgmvlvlslwddyqanmlwldssypttssptdpgvargscpttsgvpskveqnypna yvvysnikvgpidstyk