>4iwjB (B:) observed residues (from ATOM records) seelldlfnrqvtqeftasqvylsasiwfdqndwegmaaymlaesaeerehglgfvdfan krnipielqavpapvscaewsspedvwqsileleqantrsllnlaeaastchdfavmafl npfhlqqvneedkigsilakvtdenrtpgllrsldvvsf