>5b6pB (B:) observed residues (from ATOM records)
stilvihgpnlnllgkrepevyghltldninrqliaqaeqasitldtfqsnwegaivdri
hqaqtegvkliiinpaalthtsvalrdallgvaipfievhlsnvhareafrhhsylsdka
igvicglgakgysfaldyaiekiqp