Chains and heterogens:
PDB Chain Sequences:
>3rv2A (A:) gpgsmsekgrlftsesvteghpdkicdavsdsvldallaadprsrvavetlvttgqvhvv gevtttakeafaditnivrerildigydssdkgfdgascgvnigigaqspdiaqgvdtah earvegaadpldaqgagdqglmfgyaindtpelmplpialahrlsrrltevrkngvlpyl rpdgktqvtiayedrvpvrldtvvistqhaddidlvktldpdireqvlktvlddlahdtl dasavrvlvnptgkfvlggpmgdagltgrkiivdtyggwarhgggafsgkdpskvdrsaa yamrwvaknvvaaglaervevqvayaigkaapvglfvetfgseavdpvkiekaigevfdl rpgaiirdlnllrpiyaptaayghfgrtdvdlpwerldkvddlkrai
>3rv2A (A:) grlftsesvteghpdkicdavsdsvldallaadprsrvavetlvttgqvhvvgevtttak eafaditnivrerildigydssdkgfdgascgvnigigaqspgdqglmfgyaindtpelm plpialahrlsrrltevrkngvlpylrpdgktqvtiayedrvpvrldtvvistqhaddid lvktldpdireqvlktvlddlahdtldasavrvlvnptgkfvlggpmgdagltgrkiivd tyggwarhgggafsgkdpskvdrsaayamrwvaknvvaaglaervevqvayaigkaapvg lfvetfgseavdpvkiekaigevfdlrpgaiirdlnllrpiyaptaayghfgrtdvdlpw erldkvddlkrai
>3rv2B (B:) gpgsmsekgrlftsesvteghpdkicdavsdsvldallaadprsrvavetlvttgqvhvv gevtttakeafaditnivrerildigydssdkgfdgascgvnigigaqspdiaqgvdtah earvegaadpldaqgagdqglmfgyaindtpelmplpialahrlsrrltevrkngvlpyl rpdgktqvtiayedrvpvrldtvvistqhaddidlvktldpdireqvlktvlddlahdtl dasavrvlvnptgkfvlggpmgdagltgrkiivdtyggwarhgggafsgkdpskvdrsaa yamrwvaknvvaaglaervevqvayaigkaapvglfvetfgseavdpvkiekaigevfdl rpgaiirdlnllrpiyaptaayghfgrtdvdlpwerldkvddlkrai
>3rv2B (B:) grlftsesvteghpdkicdavsdsvldallaadprsrvavetlvttgqvhvvgevtttak eafaditnivrerildigydssdkgfdgascgvnigigaqspgdqglmfgyaindtpelm plpialahrlsrrltevrkngvlpylrpdgktqvtiayedrvpvrldtvvistqhaddid lvktldpdireqvlktvlddlahdtldasavrvlvnptgkfvlggpmgdagltgrkiivd tyggwarhgggafsgkdpskvdrsaayamrwvaknvvaaglaervevqvayaigkaapvg lfvetfgseavdpvkiekaigevfdlrpgaiirdlnllrpiyaptaayghfgrtdvdlpw erldkvddlkrai