>4itwD (D:) observed residues (from ATOM records)
seelldlfnrqvtqeftasqvylsasiwfdqndwegmaaymlaesaeerehglgfvdfan
krnipielqavpapvscaewsspedvwqsileleqantrsllnlaeaastchdfavmafl
npfhlqqvneedkigsilakvtdenrtpgllrsldvvs