Chains and heterogens:
PDB Chain Sequences:
>1bugA (A:) apiqapeiskcvvppadlppgavvdnccppvasnivdyklpavttmkvrpaahtmdkdai akfakavelmkalpaddprnfyqqalvhcaycnggydqvnfpdqeiqvhnswlffpfhrw ylyfyerilgkligdpsfglpfwnwdnpggmvlpdflndstsslydsnrnqshlppvvvd lgyngadtdvtdqqritdnlalmykqmvtnagtaelflgkayragdapspgagsietsph ipihrwvgdprntnnedmgnfysagrdiafychhsnvdrmwtiwqqlagkprkrdytdsd wlnatflfydengqavkvrigdsldnqkmgykyaktplpwldskp
>1bugA (A:) apiqapeiskcvvppadlppgavvdnccppvasnivdyklpavttmkvrpaahtmdkdai akfakavelmkalpaddprnfyqqalvhcaycnggydqvnfpdqeiqvhnswlffpfhrw ylyfyerilgkligdpsfglpfwnwdnpggmvlpdflndstsslydsnrnqshlppvvvd lgyngadtdvtdqqritdnlalmykqmvtnagtaelflgkayragdapspgagsietsph ipihrwvgdprntnnedmgnfysagrdiafychhsnvdrmwtiwqqlardytdsdwlnat flfydengqavkvrigdsldnqkmgykyaktplpwl
>1bugB (B:) apiqapeiskcvvppadlppgavvdnccppvasnivdyklpavttmkvrpaahtmdkdai akfakavelmkalpaddprnfyqqalvhcaycnggydqvnfpdqeiqvhnswlffpfhrw ylyfyerilgkligdpsfglpfwnwdnpggmvlpdflndstsslydsnrnqshlppvvvd lgyngadtdvtdqqritdnlalmykqmvtnagtaelflgkayragdapspgagsietsph ipihrwvgdprntnnedmgnfysagrdiafychhsnvdrmwtiwqqlagkprkrdytdsd wlnatflfydengqavkvrigdsldnqkmgykyaktplpwldskp
>1bugB (B:) apiqapeiskcvvppadlppgavvdnccppvasnivdyklpavttmkvrpaahtmdkdai akfakavelmkalpaddprnfyqqalvhcaycnggydqvnfpdqeiqvhnswlffpfhrw ylyfyerilgkligdpsfglpfwnwdnpggmvlpdflndstsslydsnrnqshlppvvvd lgyngadtdvtdqqritdnlalmykqmvtnagtaelflgkayragdapspgagsietsph ipihrwvgdprntnnedmgnfysagrdiafychhsnvdrmwtiwqqlardytdsdwlnat flfydengqavkvrigdsldnqkmgykyaktplpwl