>4itwA (A:) observed residues (from ATOM records)
eelldlfnrqvtqeftasqvylsasiwfdqndwegmaaymlaesaeerehglgfvdfank
rnipielqavpapvscaewsspedvwqsileleqantrsllnlaeaastchdfavmafln
pfhlqqvneedkigsilakvtdenrtpgllrsldvv