>1vf5B (B:) observed residues (from ATOM records)
lakgmghnyygepawpndllyvfpvvimgtfacivalsvldpamvgepanpfatpleilp
ewylypvfqilrslpnkllgvllmasvplglilvpfienvnkfqnpfrrpvattiflfgt
lvtiwlgigaalpldktl