Chains and heterogens:
PDB Chain Sequences:
>1s2jA (A:) mqpvrfgspwimaiglvllllafvsagksrqrspancptiklkrqwggkpslglhyqvrp iryvvihhtvtgecsgllkcaeilqnmqayhqneldfndisynfligndgivyegtgwgl rgahtygynaigtgiafignfvdklpsdaalqaakdllacgvqqgelsedyaliagsqvi stqspgltlyneiqewphwlsnphhhhhh
>1s2jA (A:) cptiklkrqwggkpslglhyqvrpiryvvihhtvtgecsgllkcaeilqnmqayhqneld fndisynfligndgivyegtgwglrgahtygynaigtgiafignfvdklpsdaalqaakd llacgvqqgelsedyaliagsqvistqspgltlyneiqewphwlsnphh
>1s2jB (B:) mqpvrfgspwimaiglvllllafvsagksrqrspancptiklkrqwggkpslglhyqvrp iryvvihhtvtgecsgllkcaeilqnmqayhqneldfndisynfligndgivyegtgwgl rgahtygynaigtgiafignfvdklpsdaalqaakdllacgvqqgelsedyaliagsqvi stqspgltlyneiqewphwlsnphhhhhh
>1s2jB (B:) cptiklkrqwggkpslglhyqvrpiryvvihhtvtgecsgllkcaeilqnmqayhqneld fndisynfligndgivyegtgwglrgahtygynaigtgiafignfvdklpsdaalqaakd llacgvqqgelsedyaliagsqvistqspgltlyneiqewphwlsnph