>4zl6A (A:) observed residues (from ATOM records)
eelldlfnrqvtqeftasqvylsasiwfdqndwegmaaymlahsaeerehglgfvdfank
rnipielqavpapvscaewsspedvwqsileleqantrsllnlaeaastchdfavmafln
pfhlqqvneedkigsilakvtdenrtpgllrsldvvs