Chains and heterogens:
PDB Chain Sequences:
>3b1nA (A:) matlicgsiaydnimtfegrfrehilpdqvhlinlsflvptmrrefggcagniayalnll ggdarmmgtlgavdaqpyldrmdalglsreyvrvlpdtysaqamittdldnnqitafhpg ammqshvnhageakdiklaivgpdgfqgmvqhteelaqagvpfifdpgqglplfdgatlr rsielatyiavndyeaklvcdktgwsedeiasrvqaliitrgehgatirhrdgteqipav raervidptgcgdafrggllygiehgfdwatagrlaslmgalkiahqgpqtyaptraeid arfetafgyrpkgsklrslehhhhhh
>3b1nA (A:) atlicgsiaydnimtfegrfrehilpdqvhlinlsflvptmrrefggcagniayalnllg gdarmmgtlgavdaqpyldrmdalglsreyvrvlpdtysaqamittdldnnqitafhpga mmqshvnhageakdiklaivgpdgfqgmvqhteelaqagvpfifdpgqglplfdgatlrr sielatyiavndyeaklvcdktgwsedeiasrvqaliitrgehgatirhrdgteqipavr aervidptgcgdafrggllygiehgfdwatagrlaslmgalkiahqgpqtyaptraeida rfetafgyrpk
>3b1nB (B:) matlicgsiaydnimtfegrfrehilpdqvhlinlsflvptmrrefggcagniayalnll ggdarmmgtlgavdaqpyldrmdalglsreyvrvlpdtysaqamittdldnnqitafhpg ammqshvnhageakdiklaivgpdgfqgmvqhteelaqagvpfifdpgqglplfdgatlr rsielatyiavndyeaklvcdktgwsedeiasrvqaliitrgehgatirhrdgteqipav raervidptgcgdafrggllygiehgfdwatagrlaslmgalkiahqgpqtyaptraeid arfetafgyrpkgsklrslehhhhhh
>3b1nB (B:) atlicgsiaydnimtfegrfrehilpdqvhlinlsflvptmrrefggcagniayalnllg gdarmmgtlgavdaqpyldrmdalglsreyvrvlpdtysaqamittdldnnqitafhpga mmqshvnhageakdiklaivgpdgfqgmvqhteelaqagvpfifdpgqglplfdgatlrr sielatyiavndyeaklvcdktgwsedeiasrvqaliitrgehgatirhrdgteqipavr aervidptgcgdafrggllygiehgfdwatagrlaslmgalkiahqgpqtyaptraeida rfetafgyrpkgsklrsleh