>5y65B (B:) observed residues (from ATOM records)
ayklvlirhgesawnlenrfsgwydadlspagheeakrggqalrdagyefdicftsvqkr
airtlwtvldaidqmwlpvvrtwrlnerhyggltglnkaetaakhgeaqvkiwrrsydvp
pppmepdhpfysniskdrryadltedqlpsceslkdtiaralpfwneeivpqikegkrvl
iaahgnslrgivkhleglseeaimelnlptgipivyeldknlkpikpmqflgd