Chains and heterogens:
PDB Chain Sequences:
>7dhcA (A:) hdhvayryevlkvigkgsfgqvvkaydhkvhqhvalkmvrnekrfhrqaaeeirilehlr kqdkdntmnvihmlenftfrnhicmtfellsmnlyelikknkfqgfslplvrkfahsilq cldalhknriihcdlkpenillkqqgrsgikvidfgsscyehqrvytyiqsrfyrapevi lgarygmpidmwslgcilaelltgypllpgedegdqlacmiellgmpsqklldaskrakn fvsskgypryctvttlsdgsvvlnggrsrrgklrgppesrewgnalkgcddplfldflkq clewdpavrmtpgqalrhpwlrrr