>1s5aC (C:) observed residues (from ATOM records) amlmnefekacetlrkfmaymlekdmkswtelwdenavfefpyapegspkriegkaaiyd yikdypkqihlssftaptvyrsadsntviaefqcdghvietglpyrqsyisvietrdgri vryrdywnplvvkeafggsflqt