index residue atom-type mean(depth) stdev(depth) 1701 Y:6 N 3.07 0.3 1702 Y:6 CA 3.04 0.3 1703 Y:6 C 3.48 0.34 1704 Y:6 O 3.25 0.33 1705 Y:7 N 3.14 0.37 1706 Y:7 CA 3.03 0.28 1707 Y:7 C 3.19 0.31 1708 Y:7 O 2.98 0.27 1723 Y:9 N 3.05 0.3 1724 Y:9 CA 3.12 0.33 1725 Y:9 C 3.15 0.26 1726 Y:9 O 2.94 0.23