Chains and heterogens:
PDB Chain Sequences:
>1a2mA (A:) aqyedgkqyttlekpvagapqvleffsffcphcyqfeevlhisdnvkkklpegvkmtkyh vnfmggdlgkdltqawavamalgvedkvtvplfegvqktqtirsasdirdvfinagikge eydaawnsfvvkslvaqqekaaadvqlrgvpamfvngkyqlnpqgmdtsnmdvfvqqyad tvkylsekk
>1a2mA (A:) aqyedgkqyttlekpvagapqvleffsffcphcyqfeevlhisdnvkkklpegvkmtkyh vnfmggdlgkdltqawavamalgvedkvtvplfegvqktqtirsasdirdvfinagikge eydaawnsfvvkslvaqqekaaadvqlrgvpamfvngkyqlnpqgmdtsnmdvfvqqyad tvkylsek
>1a2mB (B:) aqyedgkqyttlekpvagapqvleffsffcphcyqfeevlhisdnvkkklpegvkmtkyh vnfmggdlgkdltqawavamalgvedkvtvplfegvqktqtirsasdirdvfinagikge eydaawnsfvvkslvaqqekaaadvqlrgvpamfvngkyqlnpqgmdtsnmdvfvqqyad tvkylsekk
>1a2mB (B:) aqyedgkqyttlekpvagapqvleffsffcphcyqfeevlhisdnvkkklpegvkmtkyh vnfmggdlgkdltqawavamalgvedkvtvplfegvqktqtirsasdirdvfinagikge eydaawnsfvvkslvaqqekaaadvqlrgvpamfvngkyqlnpqgmdtsnmdvfvqqyad tvkylsek