Chains and heterogens:
PDB Chain Sequences:
>4hwrA (A:) mardhrkigkqldlyhmqeeapgmvfwhndgwtifrelevfvrsklkeyqyqevkgpfmm drvlwektghwdnykdamfttssenreycikpmncpghvqifnqglksyrdlplrmaefg schrnepsgslhglmrvrgftqddahifcteeqirdevngcirlvydmystfgfekivvk lstrpekrigsdemwdraeadlavaleennipfeyqlgegafygpkieftlydcldrawq cgtvqldfslpsrlsasyvgednerkvpvmihrailgsmerfigilteefagffptwlap vqvvimnitdsqseyvneltqklsnagirvkadlrnekigfkirehtlrrvpymlvcgdk evesgkvavrtrrgkdlgsmdvnevieklqqeirsrslkqleelehhhhhh
>4hwrA (A:) ardhrkigkqldlyhmqeeapgmvfwhndgwtifrelevfvrsklkeyqyqevkgpfmmd rvlwektghwdnykdamfttssenreycikpmncpghvqifnqglksyrdlplrmaefgs chrnepsgslhglmrvrgftqddahifcteeqirdevngcirlvydmystfgfekivvkl strpekrigsdemwdraeadlavaleennipfeyqlgegafygpkieftlydcldrawqc gtvqldfslpsrlsasyvgednerkvpvmihrailgsmerfigilteefagffptwlapv qvvimnitdsqseyvneltqklsnagirvkadlrnekigfkirehtlrrvpymlvcgdke vesgkvavrtrrgkdlgsmdvnevieklqqeirsrslkqleel
>4hwrB (B:) mardhrkigkqldlyhmqeeapgmvfwhndgwtifrelevfvrsklkeyqyqevkgpfmm drvlwektghwdnykdamfttssenreycikpmncpghvqifnqglksyrdlplrmaefg schrnepsgslhglmrvrgftqddahifcteeqirdevngcirlvydmystfgfekivvk lstrpekrigsdemwdraeadlavaleennipfeyqlgegafygpkieftlydcldrawq cgtvqldfslpsrlsasyvgednerkvpvmihrailgsmerfigilteefagffptwlap vqvvimnitdsqseyvneltqklsnagirvkadlrnekigfkirehtlrrvpymlvcgdk evesgkvavrtrrgkdlgsmdvnevieklqqeirsrslkqleelehhhhhh
>4hwrB (B:) rdhrkigkqldlyhmqeeapgmvfwhndgwtifrelevfvrsklkeyqyqevkgpfmmdr vlwektghwdnykdamfttssenreycikpmncpghvqifnqglksyrdlplrmaefgsc hrnepsgslhglmrvrgftqddahifcteeqirdevngcirlvydmystfgfekivvkls trpekrigsdemwdraeadlavaleennipfeyqlgegafygpkieftlydcldrawqcg tvqldfslpsrlsasyvgednerkvpvmihrailgsmerfigilteefagffptwlapvq vvimnitdsqseyvneltqklsnagirvkadlrnekigfkirehtlrrvpymlvcgdkev esgkvavrtrrgkdlgsmdvnevieklqqeirsrslkq