Chains and heterogens:
PDB Chain Sequences:
>7dr9A (A:) sglvkmshpsgdveacmvqvtcgsmtlnglwldntvwcprhvmcpadqlsdpnydallis mtnhsfsvqkhigapanlrvvghamqgtllkltvdvanpstpaytfttvkpgaafsvlac yngrptgtftvvmrpnytikgsflcgsagsvgytkegsvinfcymhqmelangthtgsaf dgtmygafmdkqvhqvqltdkycsvnvvawlyaailngcawfvkpnrtsvvsfnewalan qftefvgtqsvdmlavktgvaieqllyaiqqlytgfqgkqilgstmledeftpedvnmqi mgvvmq
>7dr9A (A:) lvkmshpsgdveacmvqvtcgsmtlnglwldntvwcprhvmcydallismtnhsfsvqkh inlrvvghamqgtllkltvdvanpstpaytfttvkpgaafsvlacyngrptgtftvvmrp nytikgsflcgsagsvgytkegsvinfcymhqmelangthtgsafdgtmygafmdqltdk ycsvnvvawlyaailngcawfvkpnrtsvvsfnewalanqftefvgtqsvdmlavktgva ieqllyaiqqlytgfqgkqilgstmledeftpedvnmqi
>7dr9B (B:) sglvkmshpsgdveacmvqvtcgsmtlnglwldntvwcprhvmcpadqlsdpnydallis mtnhsfsvqkhigapanlrvvghamqgtllkltvdvanpstpaytfttvkpgaafsvlac yngrptgtftvvmrpnytikgsflcgsagsvgytkegsvinfcymhqmelangthtgsaf dgtmygafmdkqvhqvqltdkycsvnvvawlyaailngcawfvkpnrtsvvsfnewalan qftefvgtqsvdmlavktgvaieqllyaiqqlytgfqgkqilgstmledeftpedvnmqi mgvvmq
>7dr9B (B:) vkmshpsgdveacmvqvtcgsmtlnglwldntvwcprhvmcpadpnydallismtnhsfs vqkhigapanlrvvghamqgtllkltvdvanpstpaytfttvkpgaafsvlacyngrptg tftvvmrpnytikgsflcgsagsvgytkegsvinfcymhqmelgthtgsafdgtmygafm dkqltdkycsvnvvawlyaailngcawfvkpnrtsvvsfnewalanqftefvgtqsvdml avktgvaieqllyaiqqlytgfqgkqilgstmledeftpedvnmqi