Chains and heterogens:
PDB Chain Sequences:
>1e2wA (A:) ypvfaqqnyanpreangrivcanchlaqkaveievpqavlpdtvfeavielpydkqvkqv langkkgdlnvgmvlilpegfelappdrvpaeikekvgnlyyqpyspeqknilvvgpvpg kkysemvvpilspdpaknknvsylkypiyfggnrgrgqvypdgkksnftiynasaagkiv aitalsekkggfevsiekangevvvdkipagpdlivkegqtvqadqpltnnpnvggfgqa eteivlqnpar
>1e2wB (B:) ypvfaqqnyanpreangrivcanchlaqkaveievpqavlpdtvfeavielpydkqvkqv langkkgdlnvgmvlilpegfelappdrvpaeikekvgnlyyqpyspeqknilvvgpvpg kkysemvvpilspdpaknknvsylkypiyfggnrgrgqvypdgkksnftiynasaagkiv aitalsekkggfevsiekangevvvdkipagpdlivkegqtvqadqpltnnpnvggfgqa eteivlqnpar