Chains and heterogens:
PDB Chain Sequences:
>1hvf_ (-) vlrgtvtdfpgfdgradaetlrkamkglgtdeesiltlltsrsnaqrqeisaafktlfgr dllddlkseltgkfqklivalmkpsrlydayelkhalkgagtnekvlteiiasrtpeelr aikqvyeeeygssleddvvgdtsgyyqrmlvvllqanrdpdagideaqveqdaqalfqag elkwgtdeekfitifgtrsvshlrkvfdkymtisgfqieetidretsgnleqlllavvks irsipaylaetlyyamkgagtddhtlirvmvsrseidlfnirkefrknfatslysmikgd tsgdykkallllc