Chains and heterogens:
PDB Chain Sequences:
>1pr4A (A:) matphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisv mghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrir fkdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgve meaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdke
>1pr4A (A:) atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem eaagiygvaaefgakaltictvsdhittaaerqttfndmikialesvllgdk
>1pr4B (B:) matphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisv mghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrir fkdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgve meaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdke
>1pr4B (B:) atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem eaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdk
>1pr4C (C:) matphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisv mghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrir fkdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgve meaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdke
>1pr4C (C:) atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem eaagiygvaaefgakaltictvsdhirtheqttrqttfndmikialesvllgdk