Chains and heterogens:
PDB Chain Sequences:
>1dq0A (A:) adtivaveldtypntdigdpsyphigidiksvrskktakwnmqngkvgtahiiynsvdkr lsavvsypnadsatvsydvdldnvlpewvrvglsastglyketntilswsftsklksnst hetnalhfmfnqfskdqkdlilqgdattgtdgnleltrvssngspqgssvgralfyapvh iwessavvasfeatftflikspdshpadgiaffisnidssipsgstgrllglfpdan