index residue atom-type mean(depth) stdev(depth) 49708 e:6 N 2.9 0.2 49709 e:6 CA 3.16 0.28 49710 e:6 C -2.37 1.93 49711 e:6 O -2.51 1.38 49712 e:6 CB 2.93 0.16