Chains and heterogens:
PDB Chain Sequences:
>1a69A (A:) atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem eaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdke
>1a69A (A:) atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem eaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdk
>1a69B (B:) atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem eaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdke
>1a69B (B:) atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem eaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdk
>1a69C (C:) atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem eaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdke
>1a69C (C:) atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem eaagiygvaaefgakaltictvsdhirttaaerqttfndmikialesvllgdk