Chains and heterogens:
PDB Chain Sequences:
>1bcy_ (-) alrgtvtdfsgfdgradaevlrkamkglgtdedsilnlltarsnaqrqqiaeefktlfgr dlvndmkselkgkfeklivalmkpsrlydayelkhalkgagtdekvlteiiasrtpeelr aikqayeeeygsnleddvvgdtsgyyqrmlvvllqanrdpdtaiddaqveldaqalfqag elkwgtdeekfitilgtrsvshlrrvfdkymtisgfqieetidretsgnlenlllavvks irsipaylaetlyyamkgagtddhtlirvivsrseidlfnirkefrknfatslysmikgd tsgdykkallllcggedd