>4zmcF (F:) observed residues (from ATOM records) eelldlfnrqvtqeftasqvylsasiwfdqndwegmaaymlaesaeerehglgfvdfank rnipielqavpapvscaewsspedvwqsileleqantrsllnlaeaastchdfavmafln pfhlqqvnaedkigsilakvtdenrtpgllrsldvvsf