Chains and heterogens:
PDB Chain Sequences:
>1bslA (A:) mkfglfflnfmnskrssdqvieemldtahyvdqlkfdtlavyenhfsnngvvgapltvag fllgmtknakvaslnhvitthhpvrvaeeaclldqmsegrfafgfsdceksadmrffnrp tdsqfqlfsechkiindafttgychpnndfysfpkisvnphafteggpaqfvnatskevv ewaaklglplvfrwddsnaqrkeyaglyhevaqahgvdvsqvrhkltllvnqnvdgeaar aearvyleefvresysntdfeqkmgellsenaigtyeestqaarvaieccgaadllmsfe smedkaqqravidvvnanivkyhs
>1bslA (A:) mkfglfflnfmnskrssdqvieemldtahyvdqlkfdtlavyenhfsnngvvgapltvag fllgmtknakvaslnhvitthhpvrvaeeaclldqmsegrfafgfsdceksadmrffnrp tdsqfqlfsechkiindafttgychpnndfysfpkisvnphafteggpaqfvnatskevv ewaaklglplvfrwddsnaqrkeyaglyhevaqahgvdvsqvrhkltllvnqnvdgeaar aearvyleefvresysntdfeqkmgellsenaigtyeestqaarvaieccgaadllmsfe smedkaqqravidvvnanivkyh
>1bslB (B:) mkfglfflnfmnskrssdqvieemldtahyvdqlkfdtlavyenhfsnngvvgapltvag fllgmtknakvaslnhvitthhpvrvaeeaclldqmsegrfafgfsdceksadmrffnrp tdsqfqlfsechkiindafttgychpnndfysfpkisvnphafteggpaqfvnatskevv ewaaklglplvfrwddsnaqrkeyaglyhevaqahgvdvsqvrhkltllvnqnvdgeaar aearvyleefvresysntdfeqkmgellsenaigtyeestqaarvaieccgaadllmsfe smedkaqqravidvvnanivkyhs