index residue atom-type mean(depth) stdev(depth) 887 B:4 N 2.98 0.36 888 B:4 CA 3.36 0.27 889 B:4 C 3.14 0.28 890 B:4 O 2.89 0.21 891 B:4 CB -2.16896e+09 -2.16896e+09 892 B:4 CG 3.35 0.31 893 B:4 OD1 2.94 0.22 894 B:4 ND2 2.93 0.28