>2ridA (A:) observed residues (from ATOM records) qqvealqgqvqhlqaafsqykkvelfpngqsvgekifktagfvkpfteaqllctqaggql asprsaaenaalqqlvvakneaaflsmtdsktegkftyptgeslvysnwapgepnddggs edcveiftngkwndracgekrlvvcef