>4zcsD (D:) observed residues (from ATOM records)
knvviyadgvydmlhlghmkqleqakklfenttlivgvtsdnetklfkgqvvqtleerte
tlkhirwvdeiispcpwvvtpeflekykidyvahddipyannqkediyawlkragkfkat
qrtegvsttdlivrilkny