Chains and heterogens:
PDB Chain Sequences:
>2ranA (A:) alrgtvtdfsgfdgradaevlrkamkglgtdedsilnlltarsnaqrqqiaeefktlfgr dlvndmkseltgkfeklivalmkpsrlydayelkhalkgagtdekvlteiiasrtpeelr aikqayeeeygsnleddvvgdtsgyyqrmlvvllqanrdpdtaiddaqveldaqalfqag elkwgtdeekfitilgtrsvshlrrvfdkymtisgfqieetidretsgnlenlllavvks irsipaylaetlyyamkgagtddhtlirvivsrseidlfnirkefrknfatslysmikgd tsgdykkallllcgge