>4ismD (D:) observed residues (from ATOM records) seelldlfnrqvtqeftasqvylsasiwfdqndwegmaaymlaesaeerehglgfvdfan krnipielqavpapvscaewsspedvwqsileleqantrsllnlaeaastchdfavmafl npfhlqqvneedkigsilakvtdenrtpgllrsldvvsf