==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=20-JUL-2011 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER HORMONE/GROWTH FACTOR 30-JUL-02 1M9Z . COMPND 2 MOLECULE: TGF-BETA RECEPTOR TYPE II; . SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; . AUTHOR C.C.BOESEN,S.RADAEV,S.A.MOTYKA,A.PATAMAWENU,P.D.SUN . 105 1 6 6 0 TOTAL NUMBER OF RESIDUES, NUMBER OF CHAINS, NUMBER OF SS-BRIDGES(TOTAL,INTRACHAIN,INTERCHAIN) . 6281.0 ACCESSIBLE SURFACE OF PROTEIN (ANGSTROM**2) . 62 59.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(J) , SAME NUMBER PER 100 RESIDUES . 3 2.9 TOTAL NUMBER OF HYDROGEN BONDS IN PARALLEL BRIDGES, SAME NUMBER PER 100 RESIDUES . 36 34.3 TOTAL NUMBER OF HYDROGEN BONDS IN ANTIPARALLEL BRIDGES, SAME NUMBER PER 100 RESIDUES . 0 0.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I-5), SAME NUMBER PER 100 RESIDUES . 0 0.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I-4), SAME NUMBER PER 100 RESIDUES . 2 1.9 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I-3), SAME NUMBER PER 100 RESIDUES . 0 0.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I-2), SAME NUMBER PER 100 RESIDUES . 0 0.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I-1), SAME NUMBER PER 100 RESIDUES . 0 0.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+0), SAME NUMBER PER 100 RESIDUES . 0 0.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+1), SAME NUMBER PER 100 RESIDUES . 12 11.4 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+2), SAME NUMBER PER 100 RESIDUES . 9 8.6 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+3), SAME NUMBER PER 100 RESIDUES . 0 0.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+4), SAME NUMBER PER 100 RESIDUES . 0 0.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+5), SAME NUMBER PER 100 RESIDUES . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 *** HISTOGRAMS OF *** . 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 RESIDUES PER ALPHA HELIX . 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PARALLEL BRIDGES PER LADDER . 1 0 3 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ANTIPARALLEL BRIDGES PER LADDER . 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 LADDERS PER SHEET . # RESIDUE AA STRUCTURE BP1 BP2 ACC N-H-->O O-->H-N N-H-->O O-->H-N TCO KAPPA ALPHA PHI PSI X-CA Y-CA Z-CA 1 26 A A 0 0 49 0, 0.0 28,-2.8 0, 0.0 2,-0.5 0.000 360.0 360.0 360.0 147.2 17.1 26.2 18.9 2 27 A L E +A 28 0A 62 26,-0.2 92,-3.1 24,-0.0 93,-0.4 -0.969 360.0 167.8-104.7 124.0 14.2 28.5 19.3 3 28 A a E -A 27 0A 0 24,-2.4 24,-2.9 -2,-0.5 2,-0.2 -0.964 44.1-101.9-135.2 152.7 13.7 30.6 16.2 4 29 A K E -A 26 0A 20 -2,-0.3 33,-0.3 22,-0.2 22,-0.2 -0.552 40.6-177.6 -64.2 137.3 11.2 32.9 14.6 5 30 A F + 0 0 65 20,-2.4 47,-0.2 -2,-0.2 3,-0.1 -0.451 33.1 128.5-146.1 65.6 9.5 30.8 12.0 6 31 A b - 0 0 4 1,-0.4 46,-0.2 45,-0.1 -1,-0.1 0.392 55.1-143.9 -97.6 2.2 6.9 32.8 10.0 7 32 A D E -B 51 0B 88 44,-2.5 44,-1.8 -3,-0.1 2,-0.6 -0.439 65.3 -7.7 58.2-144.7 8.2 31.8 6.6 8 33 A V E S+B 50 0B 80 42,-0.2 2,-0.3 -3,-0.1 42,-0.3 -0.752 76.3 166.0 -93.8 119.7 7.9 34.8 4.2 9 34 A R E -B 49 0B 117 40,-2.5 40,-2.8 -2,-0.6 2,-0.1 -0.888 41.7 -97.9-125.4 153.1 6.0 37.8 5.4 10 35 A F E -B 48 0B 164 -2,-0.3 2,-0.3 38,-0.2 38,-0.3 -0.430 45.0-169.2 -64.1 147.4 5.6 41.4 4.3 11 36 A S - 0 0 19 36,-2.2 36,-0.4 2,-0.1 10,-0.1 -0.974 32.1-155.9-138.7 151.0 7.9 43.8 6.1 12 37 A T + 0 0 131 -2,-0.3 2,-0.3 34,-0.1 36,-0.1 0.350 55.8 128.6-103.2 1.1 8.3 47.6 6.4 13 38 A c + 0 0 10 7,-0.1 2,-0.3 8,-0.1 -2,-0.1 -0.430 29.8 139.9 -59.4 117.6 11.9 47.2 7.4 14 39 A D + 0 0 35 -2,-0.3 3,-0.1 33,-0.0 -2,-0.0 -0.933 58.7 4.0-163.5 137.1 13.9 49.5 5.1 15 40 A N S S+ 0 0 143 -2,-0.3 2,-0.3 1,-0.2 3,-0.0 0.870 93.5 128.3 55.8 42.8 16.9 51.9 5.4 16 41 A Q - 0 0 118 1,-0.1 -1,-0.2 3,-0.0 85,-0.1 -0.930 66.4-133.3-127.9 152.1 17.5 51.0 9.0 17 42 A K S S+ 0 0 133 -2,-0.3 84,-2.7 1,-0.2 2,-0.3 0.841 94.8 3.5 -71.3 -36.3 20.5 49.8 11.0 18 43 A S E -F 100 0C 57 82,-0.2 2,-0.3 83,-0.1 82,-0.2 -0.977 67.6-163.8-143.6 159.2 18.4 47.0 12.6 19 44 A c E -F 99 0C 11 80,-2.1 80,-2.7 -2,-0.3 2,-0.3 -0.991 18.6-126.6-140.1 151.6 14.9 45.7 12.3 20 45 A M E -F 98 0C 93 -2,-0.3 78,-0.2 78,-0.2 -7,-0.1 -0.677 20.8-131.7 -90.4 150.6 12.6 43.5 14.3 21 46 A S - 0 0 13 76,-2.1 3,-0.1 -2,-0.3 -1,-0.1 0.807 17.9-150.4 -72.3 -29.4 11.0 40.5 12.6 22 47 A N + 0 0 135 75,-0.3 2,-0.5 1,-0.2 -1,-0.1 0.767 46.0 146.7 57.2 27.0 7.4 41.3 13.8 23 48 A b - 0 0 8 1,-0.1 -1,-0.2 74,-0.1 -2,-0.1 -0.843 39.0-162.9 -94.5 124.4 7.0 37.5 13.6 24 49 A S + 0 0 110 -2,-0.5 2,-0.6 -3,-0.1 -1,-0.1 0.393 65.3 88.3 -87.6 2.9 4.6 36.1 16.3 25 50 A I + 0 0 65 2,-0.0 -20,-2.4 0, 0.0 2,-0.5 -0.910 47.8 177.3-110.6 110.9 5.7 32.5 15.9 26 51 A T E -A 4 0A 53 -2,-0.6 2,-0.3 -22,-0.2 -22,-0.2 -0.970 18.2-173.7-106.4 123.0 8.7 31.2 17.9 27 52 A S E -A 3 0A 35 -24,-2.9 -24,-2.4 -2,-0.5 2,-0.6 -0.869 31.8-121.1-119.3 148.1 9.2 27.6 17.2 28 53 A I E -A 2 0A 136 -2,-0.3 -26,-0.2 -26,-0.2 25,-0.1 -0.784 45.3-117.2 -77.4 119.7 11.5 24.8 18.6 29 54 A d - 0 0 8 -28,-2.8 5,-0.0 -2,-0.6 7,-0.0 -0.371 18.1-125.0 -60.5 143.1 13.4 23.8 15.5 30 55 A E S S+ 0 0 166 2,-0.0 -1,-0.1 3,-0.0 -2,-0.0 0.824 93.1 42.6 -58.8 -39.8 12.7 20.1 14.7 31 56 A K S > S- 0 0 90 1,-0.1 3,-1.6 -30,-0.0 23,-0.1 -0.896 80.7-129.4-115.4 143.2 16.3 19.0 14.7 32 57 A P T 3 S+ 0 0 122 0, 0.0 -1,-0.1 0, 0.0 -3,-0.1 0.763 105.0 59.4 -65.0 -24.0 18.9 20.0 17.3 33 58 A Q T 3 S+ 0 0 88 2,-0.0 24,-0.1 -32,-0.0 2,-0.0 0.563 82.6 110.3 -80.3 -8.7 21.4 21.1 14.7 34 59 A E < - 0 0 32 -3,-1.6 21,-0.3 21,-0.2 2,-0.2 -0.366 48.7-164.8 -72.6 150.4 19.1 23.7 13.1 35 60 A V E -C 54 0B 11 19,-2.9 19,-2.4 -34,-0.1 2,-0.3 -0.707 27.1 -90.3-123.7 171.6 19.8 27.4 13.4 36 61 A a E -CD 53 90B 0 54,-2.7 54,-2.0 -2,-0.2 2,-0.4 -0.688 39.2-169.0 -87.4 146.1 17.7 30.5 12.9 37 62 A V E -CD 52 89B 0 15,-2.5 15,-1.7 -33,-0.3 2,-0.4 -0.976 10.3-171.6-135.2 142.2 17.6 32.2 9.5 38 63 A A E -CD 51 88B 0 50,-2.4 50,-2.0 -2,-0.4 2,-0.4 -0.998 3.0-171.2-131.0 140.4 16.3 35.6 8.3 39 64 A V E -CD 50 87B 0 11,-2.1 11,-2.8 -2,-0.4 2,-0.5 -0.976 4.1-164.9-134.3 116.6 16.1 36.7 4.6 40 65 A W E +CD 49 86B 13 46,-2.6 46,-2.8 -2,-0.4 2,-0.4 -0.896 12.3 179.4-105.1 128.6 15.2 40.2 3.7 41 66 A R E -CD 48 85B 68 7,-2.5 7,-2.7 -2,-0.5 2,-0.4 -0.995 10.0-172.4-136.5 131.3 14.2 40.9 0.1 42 67 A K E +CD 47 84B 75 42,-2.7 42,-2.9 -2,-0.4 5,-0.2 -0.984 10.5 166.0-124.7 128.3 13.1 44.1 -1.7 43 68 A N - 0 0 52 3,-2.6 40,-0.1 -2,-0.4 39,-0.0 -0.667 56.6 -85.1-123.4-177.0 11.7 44.4 -5.2 44 69 A D S S+ 0 0 159 38,-0.4 3,-0.1 -2,-0.2 39,-0.1 0.501 126.5 41.6 -74.5 0.6 10.0 47.2 -6.9 45 70 A E S S- 0 0 168 1,-0.3 2,-0.3 0, 0.0 -1,-0.2 0.682 121.8 -20.0-112.3 -29.6 6.6 46.2 -5.5 46 71 A N - 0 0 50 2,-0.0 -3,-2.6 -3,-0.0 2,-0.4 -0.986 49.4-114.0-167.8 174.1 7.3 45.2 -1.9 47 72 A I E - C 0 42B 23 -36,-0.4 -36,-2.2 -2,-0.3 2,-0.3 -0.972 29.6-174.1-121.2 136.7 9.6 44.1 0.9 48 73 A T E -BC 10 41B 21 -7,-2.7 -7,-2.5 -2,-0.4 2,-0.4 -0.943 14.9-155.1-129.2 156.4 9.5 40.7 2.7 49 74 A L E -BC 9 40B 5 -40,-2.8 -40,-2.5 -2,-0.3 2,-0.5 -0.997 11.3-159.5-127.4 125.6 11.2 39.1 5.6 50 75 A E E -BC 8 39B 12 -11,-2.8 -11,-2.1 -2,-0.4 2,-0.4 -0.894 7.7-173.8-104.0 131.1 11.5 35.3 5.8 51 76 A T E +BC 7 38B 2 -44,-1.8 -44,-2.5 -2,-0.5 2,-0.3 -0.992 19.9 142.2-126.7 125.6 12.1 33.7 9.1 52 77 A V E - C 0 37B 3 -15,-1.7 -15,-2.5 -2,-0.4 2,-0.3 -0.947 49.2-109.8-146.9 166.1 12.8 29.9 9.4 53 78 A d E + C 0 36B 9 -2,-0.3 2,-0.3 -17,-0.2 -17,-0.2 -0.802 43.7 178.2 -85.7 147.8 14.7 27.2 11.2 54 79 A H E - C 0 35B 22 -19,-2.4 -19,-2.9 -2,-0.3 6,-0.1 -0.978 35.0-120.2-156.7 142.0 17.3 25.6 8.9 55 80 A D > - 0 0 18 -2,-0.3 3,-2.3 -21,-0.3 -21,-0.2 -0.717 23.2-148.7 -79.6 115.3 20.0 22.9 9.1 56 81 A P T 3 S+ 0 0 32 0, 0.0 9,-0.4 0, 0.0 -1,-0.1 0.563 92.1 71.8 -70.0 -6.2 23.3 24.7 8.2 57 82 A K T 3 S+ 0 0 179 7,-0.1 -23,-0.0 2,-0.1 -2,-0.0 0.553 96.1 65.0 -77.5 -7.0 24.7 21.5 6.7 58 83 A L S < S- 0 0 84 -3,-2.3 7,-0.3 1,-0.0 5,-0.1 -0.913 92.3-112.5-115.1 142.8 22.2 22.2 3.8 59 84 A P - 0 0 80 0, 0.0 2,-0.4 0, 0.0 5,-0.2 -0.233 25.3-156.0 -67.1 160.3 22.3 25.1 1.5 60 85 A Y B > S-H 63 0D 49 3,-2.9 3,-1.5 -4,-0.1 -6,-0.0 -0.980 76.3 -6.2-140.2 127.3 19.5 27.7 1.6 61 86 A H T 3 S- 0 0 49 -2,-0.4 3,-0.1 1,-0.3 -1,-0.0 0.819 131.4 -59.0 54.4 33.4 18.5 29.9 -1.4 62 87 A D T 3 S+ 0 0 140 1,-0.3 2,-0.3 0, 0.0 -1,-0.3 0.653 119.3 102.7 70.3 21.6 21.6 28.3 -3.1 63 88 A F B < S-H 60 0D 42 -3,-1.5 -3,-2.9 -5,-0.1 2,-0.4 -0.917 70.6-121.2-128.6 155.4 24.0 29.6 -0.4 64 89 A I - 0 0 74 -2,-0.3 2,-1.9 -5,-0.2 3,-0.2 -0.791 26.6-123.9 -91.5 138.9 25.8 28.0 2.6 65 90 A L > + 0 0 9 -2,-0.4 3,-1.4 -9,-0.4 -7,-0.0 -0.564 41.2 167.6 -80.2 77.8 25.0 29.5 6.0 66 91 A E T 3 S+ 0 0 164 -2,-1.9 3,-0.3 1,-0.3 -1,-0.2 0.684 70.9 56.1 -70.3 -16.7 28.6 30.3 6.8 67 92 A D T > + 0 0 46 1,-0.2 3,-2.3 -3,-0.2 -1,-0.3 0.229 67.5 119.6 -99.2 14.7 27.6 32.5 9.7 68 93 A A T < + 0 0 14 -3,-1.4 -1,-0.2 1,-0.3 -32,-0.2 0.728 68.2 60.3 -56.1 -27.4 25.6 29.8 11.6 69 94 A A T 3 S+ 0 0 91 -3,-0.3 -1,-0.3 21,-0.1 -2,-0.1 0.633 81.4 106.5 -76.6 -14.2 27.8 29.9 14.7 70 95 A S < - 0 0 32 -3,-2.3 21,-2.6 19,-0.2 22,-0.2 -0.392 64.0-147.6 -67.4 138.8 27.1 33.6 15.3 71 96 A P S S+ 0 0 79 0, 0.0 21,-0.4 0, 0.0 2,-0.3 0.711 84.4 57.3 -75.3 -18.7 24.8 34.5 18.2 72 97 A T S S- 0 0 69 17,-0.1 2,-1.0 19,-0.1 17,-0.2 -0.831 86.0-121.3-115.9 152.4 23.5 37.6 16.2 73 98 A e E -g 99 0C 1 25,-0.7 27,-2.7 22,-0.5 2,-0.8 -0.785 30.6-174.5 -95.9 97.4 21.9 37.8 12.8 74 99 A I E -g 100 0C 36 -2,-1.0 15,-0.2 15,-0.4 27,-0.2 -0.843 20.6-136.3 -98.3 106.2 24.2 40.1 10.8 75 100 A M - 0 0 6 25,-2.6 2,-0.4 -2,-0.8 13,-0.2 -0.419 24.7-178.2 -67.3 132.5 22.6 40.7 7.4 76 101 A K E -E 87 0B 108 11,-1.9 11,-2.3 -2,-0.2 2,-0.1 -0.991 27.7-110.1-133.3 142.3 24.8 40.5 4.3 77 102 A E E -E 86 0B 124 -2,-0.4 2,-0.3 9,-0.2 9,-0.3 -0.410 28.8-163.3 -75.8 141.9 23.9 41.1 0.7 78 103 A K E -E 85 0B 62 7,-3.0 2,-0.7 -2,-0.1 7,-0.6 -0.876 28.0-104.2-121.7 155.3 23.7 38.3 -1.9 79 104 A K + 0 0 190 -2,-0.3 5,-0.1 5,-0.1 7,-0.0 -0.718 54.6 147.6 -84.2 113.3 23.6 38.5 -5.6 80 105 A K > - 0 0 46 -2,-0.7 3,-0.8 3,-0.4 2,-0.2 -0.991 45.1-108.5-145.3 141.5 20.1 37.8 -7.0 81 106 A P T 3 S+ 0 0 114 0, 0.0 3,-0.1 0, 0.0 -2,-0.0 -0.459 91.4 6.7 -74.9 141.9 18.3 39.2 -10.1 82 107 A G T 3 S+ 0 0 78 -2,-0.2 -38,-0.4 1,-0.1 2,-0.3 0.587 119.9 54.0 70.7 14.8 15.4 41.7 -9.9 83 108 A E S < S- 0 0 43 -3,-0.8 2,-0.5 -40,-0.1 -3,-0.4 -0.978 80.9-107.8-163.7 166.2 15.6 42.3 -6.2 84 109 A T E -D 42 0B 56 -42,-2.9 -42,-2.7 -2,-0.3 2,-0.4 -0.945 41.5-169.1-103.5 129.6 17.9 43.4 -3.3 85 110 A F E +DE 41 78B 0 -7,-0.6 -7,-3.0 -2,-0.5 2,-0.4 -0.982 13.7 173.6-131.8 123.0 18.5 40.3 -1.1 86 111 A F E -DE 40 77B 40 -46,-2.8 -46,-2.6 -2,-0.4 2,-0.3 -0.970 8.0-179.4-127.2 145.0 20.1 40.1 2.4 87 112 A M E +DE 39 76B 8 -11,-2.3 -11,-1.9 -2,-0.4 2,-0.3 -0.980 7.2 171.6-143.7 153.4 20.5 37.0 4.6 88 113 A e E -D 38 0B 1 -50,-2.0 -50,-2.4 -2,-0.3 2,-0.3 -0.977 10.7-161.2-150.8 157.2 21.8 36.0 8.0 89 114 A S E +D 37 0B 0 -2,-0.3 -15,-0.4 -52,-0.2 2,-0.3 -0.932 13.8 171.6-134.6 165.0 21.8 33.0 10.3 90 115 A f E -D 36 0B 0 -54,-2.0 -54,-2.7 -2,-0.3 6,-0.1 -0.979 29.7-137.8-168.7 160.5 22.5 32.7 14.0 91 116 A S + 0 0 56 -21,-2.6 2,-0.3 -2,-0.3 -19,-0.1 -0.117 64.8 95.9-128.4 35.1 22.3 30.2 16.8 92 117 A S S > S- 0 0 47 -21,-0.4 3,-2.2 -22,-0.2 4,-0.3 -0.869 88.4 -69.1-117.9 161.0 21.0 32.0 19.9 93 118 A D T 3 S- 0 0 111 -2,-0.3 -90,-0.2 1,-0.3 -2,-0.1 -0.207 112.6 -15.7 -55.2 125.8 17.3 32.0 21.1 94 119 A E T > S+ 0 0 82 -92,-3.1 3,-2.2 -67,-0.2 -1,-0.3 0.702 87.8 149.7 55.6 28.1 15.0 34.0 18.8 95 120 A f G X + 0 0 10 -3,-2.2 3,-1.3 -93,-0.4 -22,-0.5 0.764 61.6 63.2 -69.6 -24.3 18.1 35.6 17.3 96 121 A N G 3 S+ 0 0 0 -4,-0.3 -1,-0.3 1,-0.2 3,-0.2 0.379 84.9 79.3 -78.0 7.2 16.4 36.0 13.9 97 122 A D G < S+ 0 0 35 -3,-2.2 -76,-2.1 1,-0.2 2,-0.5 0.631 95.5 46.6 -82.1 -17.4 13.9 38.3 15.6 98 123 A N E < S-F 20 0C 67 -3,-1.3 -25,-0.7 -78,-0.2 2,-0.4 -0.924 75.2-168.4-130.5 105.8 16.5 41.1 15.4 99 124 A I E -Fg 19 73C 0 -80,-2.7 -80,-2.1 -2,-0.5 2,-0.5 -0.807 6.6-153.8-103.4 132.1 18.3 41.6 12.1 100 125 A I E -Fg 18 74C 30 -27,-2.7 -25,-2.6 -2,-0.4 2,-0.9 -0.913 6.5-159.3-111.7 121.7 21.3 43.9 11.9 101 126 A F + 0 0 43 -84,-2.7 2,-0.3 -2,-0.5 -83,-0.1 -0.415 68.9 43.9 -97.6 58.7 22.3 45.6 8.7 102 127 A S - 0 0 13 -2,-0.9 3,-0.1 -27,-0.1 -27,-0.1 -0.888 58.9-142.5 175.4 157.1 25.9 46.3 9.4 103 128 A E S S+ 0 0 145 -2,-0.3 -1,-0.1 2,-0.1 -27,-0.0 0.358 81.6 97.6-106.2 -1.3 29.2 44.9 10.8 104 129 A E 0 0 147 1,-0.2 -1,-0.1 -3,-0.1 -3,-0.0 0.696 360.0 360.0 -62.1 -22.6 30.1 48.2 12.3 105 130 A Y 0 0 178 -3,-0.1 -1,-0.2 0, 0.0 -2,-0.1 0.732 360.0 360.0-107.6 360.0 28.7 47.2 15.8