Chains and heterogens:
PDB Chain Sequences:
>1vysX (X:) saeklftplkvgavtapnrvfmapltrlrsiepgdiptplmgeyyrqrasagliiseatq isaqakgyagapglhspeqiaawkkitagvhaedgriavqlyhtgrishssiqpggqapv sasalnantrtslrdengnairvdtttpraleldeipgivndfrqavanareagfdlvel hsahgyllhqflspssnqrtdqyggsvenrarlvlevvdavcnewsadrigirvspigtf qnvdngpneeadalylieelakrgiaylhmsetdlaggkpyseafrqkvrerfhgviiga gaytaekaedligkglidavafgrdyianpdlvarlqkkaelnpqrpesfygggaegytd ypsl