>2ribA (A:) observed residues (from ATOM records) slrqqvealqgqvqhlqaafsqykkvelfpngqsvgekifktagfvkpfteaqllctqag gqlasprsaaenaalqqlvvakneaaflsmtdsktegkftyptgeslvysnwapgepndd ggsedcveiftngkwndracgekrlvvcef