Chains and heterogens:
PDB Chain Sequences:
>1gvrA (A:) saeklftplkvgavtapnrvfmapltrlrsiepgdiptplmgeyyrqrasagliiseatq isaqakgyagapglhspeqiaawkkitagvhaedgriavqlwhtgrishssiqpggqapv sasalnantrtslrdengnairvdtttpraleldeipgivndfrqavanareagfdlvel hsahgyllhqflspssnqrtdqyggsvenrarlvlevvdavcnewsadrigirvspigtf qnvdngpneeadalylieelakrgiaylhmsetdlaggkpyseafrqkvrerfhgviiga gaytaekaedligkglidavafgrdyianpdlvarlqkkaelnpqrpesfygggaegytd ypsl