Chains and heterogens:
PDB Chain Sequences:
>2cxrA (A:) maaltrnpqfqkllewhransanlklrelfeadperfnnfslnlntnhghilvdysknlv skevmqmlvelaksrgveaardnmfsgskinytedravlhvalrnrsntpikvdgkdvmp evnrvldkmksfcqrvrsgdwkgytgksitdiinigiggsdlgplmvtealkpyskggpr vwfvsnidgthiaktlaslspetslfiiasktfttqetitnaetakewfleaakdpsava khfvalstntakvkefgidpqnmfefwdwvggryslwsaiglsialhvgfdhfeqllsga hwmdqhflktpleknapvllallgiwyincygcethallpydqymhrfaayfqqgdmesn gkyitksgarvdhqtgpivwgepgtngqhafyqlihqgtkmipcdflipvqtqhpirkgl hhkillanflaqtealmkgklpeearkelqaagkspedlekllphkvfegnrptnsivft kltpfilgaliamyehkifvqgimwdinsfdqwgvelgkqlakkiepelegssavtshds stnglisfikqqrdtkl
>2cxrB (B:) maaltrnpqfqkllewhransanlklrelfeadperfnnfslnlntnhghilvdysknlv skevmqmlvelaksrgveaardnmfsgskinytedravlhvalrnrsntpikvdgkdvmp evnrvldkmksfcqrvrsgdwkgytgksitdiinigiggsdlgplmvtealkpyskggpr vwfvsnidgthiaktlaslspetslfiiasktfttqetitnaetakewfleaakdpsava khfvalstntakvkefgidpqnmfefwdwvggryslwsaiglsialhvgfdhfeqllsga hwmdqhflktpleknapvllallgiwyincygcethallpydqymhrfaayfqqgdmesn gkyitksgarvdhqtgpivwgepgtngqhafyqlihqgtkmipcdflipvqtqhpirkgl hhkillanflaqtealmkgklpeearkelqaagkspedlekllphkvfegnrptnsivft kltpfilgaliamyehkifvqgimwdinsfdqwgvelgkqlakkiepelegssavtshds stnglisfikqqrdtkl