==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=20-DEC-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER HYDROLASE 16-DEC-04 1Y9O . COMPND 2 MOLECULE: ACYLPHOSPHATASE; . SOURCE 2 ORGANISM_SCIENTIFIC: SULFOLOBUS SOLFATARICUS; . AUTHOR A.CORAZZA,C.ROSANO,K.PAGANO,V.ALVERDI,G.ESPOSITO,C.CAPANNI, . 103 1 0 0 0 TOTAL NUMBER OF RESIDUES, NUMBER OF CHAINS, NUMBER OF SS-BRIDGES(TOTAL,INTRACHAIN,INTERCHAIN) . 7375.0 ACCESSIBLE SURFACE OF PROTEIN (ANGSTROM**2) . 67 65.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(J) , SAME NUMBER PER 100 RESIDUES . 4 3.9 TOTAL NUMBER OF HYDROGEN BONDS IN PARALLEL BRIDGES, SAME NUMBER PER 100 RESIDUES . 20 19.4 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 . 0 0.0 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 . 17 16.5 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+2), SAME NUMBER PER 100 RESIDUES . 4 3.9 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+3), SAME NUMBER PER 100 RESIDUES . 19 18.4 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+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 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 RESIDUES PER ALPHA HELIX . 0 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 PARALLEL BRIDGES PER LADDER . 2 1 0 1 0 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 ANTIPARALLEL BRIDGES PER LADDER . 0 0 0 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 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 -1 A G 0 0 114 0, 0.0 2,-0.1 0, 0.0 0, 0.0 0.000 360.0 360.0 360.0 178.7 -37.1 -25.0 16.3 2 0 A S + 0 0 99 1,-0.1 3,-0.1 2,-0.0 0, 0.0 -0.313 360.0 177.5 -78.6 165.4 -34.3 -26.4 14.2 3 1 A M + 0 0 172 1,-0.2 -1,-0.1 -2,-0.1 2,-0.0 0.477 67.2 62.8-129.6 -57.5 -32.8 -29.9 14.4 4 2 A K + 0 0 178 2,-0.0 2,-0.3 0, 0.0 -1,-0.2 -0.318 65.3 175.0 -67.4 156.2 -30.2 -30.0 11.6 5 3 A K - 0 0 165 -3,-0.1 2,-0.3 -2,-0.0 0, 0.0 -0.963 11.4-179.1-158.4 159.2 -27.3 -27.6 11.7 6 4 A W - 0 0 244 -2,-0.3 2,-0.3 2,-0.0 -2,-0.0 -0.958 13.3-145.7-160.3 157.5 -24.0 -26.8 9.8 7 5 A S + 0 0 119 -2,-0.3 2,-0.3 0, 0.0 -2,-0.0 -0.847 20.5 170.2-123.5 160.0 -21.1 -24.3 10.0 8 6 A D + 0 0 151 -2,-0.3 -2,-0.0 1,-0.2 0, 0.0 -0.972 36.9 51.9-163.5 160.6 -19.0 -22.7 7.2 9 7 A T + 0 0 80 -2,-0.3 2,-0.3 1,-0.2 -1,-0.2 0.968 51.7 154.6 69.7 97.5 -16.4 -20.0 6.5 10 8 A E - 0 0 150 55,-0.0 2,-0.2 0, 0.0 -1,-0.2 -0.985 49.6 -98.0-148.2 144.3 -13.1 -20.2 8.5 11 9 A V + 0 0 76 -2,-0.3 3,-0.1 1,-0.1 0, 0.0 -0.474 62.6 135.2 -67.3 129.0 -9.6 -19.0 7.8 12 10 A F - 0 0 135 1,-0.4 2,-0.2 2,-0.2 -1,-0.1 0.284 56.5 -22.4-137.5 -99.2 -7.5 -21.9 6.5 13 11 A E S S+ 0 0 133 50,-0.0 -1,-0.4 0, 0.0 0, 0.0 -0.777 91.2 23.3-122.9 168.7 -5.1 -21.8 3.5 14 12 A M - 0 0 116 -2,-0.2 2,-0.3 1,-0.1 -2,-0.2 0.328 52.5-148.7 66.3 168.3 -4.6 -19.7 0.4 15 13 A L - 0 0 17 48,-0.1 2,-0.3 78,-0.1 48,-0.3 -0.932 14.2-114.3-171.4 154.1 -5.6 -16.1 -0.5 16 14 A K E -A 62 0A 37 46,-2.5 46,-2.1 47,-0.3 2,-0.7 -0.736 25.0-120.1-100.4 142.0 -6.6 -14.0 -3.6 17 15 A R E -A 61 0A 58 -2,-0.3 74,-1.2 44,-0.3 2,-0.9 -0.739 23.7-160.5 -83.5 111.5 -4.7 -11.1 -5.2 18 16 A M E -AB 60 90A 3 42,-1.9 42,-0.9 -2,-0.7 2,-0.4 -0.836 6.3-154.0 -92.4 102.6 -6.8 -8.0 -5.1 19 17 A Y E -AB 59 89A 57 70,-1.5 70,-3.0 -2,-0.9 2,-0.4 -0.675 13.8-171.7 -73.5 127.5 -5.4 -5.6 -7.7 20 18 A A E -AB 58 88A 10 38,-2.8 38,-1.7 -2,-0.4 2,-0.8 -0.919 9.8-165.0-132.8 105.6 -6.4 -2.1 -6.6 21 19 A R E -AB 57 87A 57 66,-0.6 66,-1.3 -2,-0.4 2,-0.6 -0.815 10.0-166.6 -93.2 103.3 -5.7 0.8 -9.0 22 20 A V E -A 56 0A 6 34,-2.6 34,-2.0 -2,-0.8 2,-0.3 -0.874 6.9-170.4-103.4 114.1 -6.0 4.0 -7.0 23 21 A Y + 0 0 66 -2,-0.6 61,-1.9 32,-0.2 62,-0.5 -0.705 37.1 45.3-100.5 153.3 -6.2 7.2 -9.2 24 22 A G B > S-F 83 0B 18 59,-0.3 3,-0.6 -2,-0.3 59,-0.2 -0.722 105.0 -31.1 119.1-161.1 -6.0 10.9 -8.2 25 23 A L T 3 S+ 0 0 116 57,-2.1 4,-0.4 -2,-0.2 57,-0.2 0.066 88.4 120.5 -83.0 26.2 -3.9 13.2 -5.9 26 24 A V T 3 > + 0 0 0 28,-0.4 5,-0.6 56,-0.2 6,-0.3 0.595 46.7 105.5 -70.1 -10.7 -3.3 10.3 -3.5 27 25 A Q T < 5S+ 0 0 33 -3,-0.6 2,-1.9 1,-0.2 3,-0.1 -0.284 80.7 19.0 -57.6 152.0 0.5 10.7 -4.1 28 26 A G T 5S+ 0 0 71 1,-0.1 -1,-0.2 53,-0.0 -2,-0.1 -0.417 106.2 89.7 82.6 -62.5 2.4 12.4 -1.3 29 27 A V T > 5S- 0 0 52 -2,-1.9 2,-1.6 -4,-0.4 3,-0.5 -0.121 96.6 -95.4 -66.8 165.1 -0.2 11.7 1.5 30 28 A G T 3>5S+ 0 0 49 1,-0.2 4,-2.2 2,-0.1 -1,-0.1 -0.215 81.4 124.8 -80.4 48.1 -0.2 8.6 3.6 31 29 A F H 3> S+ 0 0 56 -3,-0.5 4,-1.1 -6,-0.3 -1,-0.2 0.745 114.6 54.3 -61.5 -25.6 -0.5 3.7 0.9 33 31 A K H > S+ 0 0 122 2,-0.2 4,-2.4 -4,-0.2 -1,-0.2 0.922 106.6 49.5 -71.2 -49.0 0.4 3.9 4.6 34 32 A F H X S+ 0 0 69 -4,-2.2 4,-1.5 1,-0.3 5,-0.2 0.924 110.7 50.1 -57.3 -46.7 -3.3 3.8 5.6 35 33 A V H X S+ 0 0 5 -4,-2.4 4,-2.2 1,-0.2 -1,-0.3 0.866 109.8 54.8 -55.7 -36.8 -3.8 0.8 3.4 36 34 A Q H X S+ 0 0 18 -4,-1.1 4,-3.2 -5,-0.2 5,-0.4 0.965 101.3 55.0 -62.3 -57.3 -0.7 -0.6 5.1 37 35 A I H X S+ 0 0 91 -4,-2.4 4,-2.5 1,-0.2 -2,-0.2 0.886 116.5 36.3 -44.2 -55.9 -2.0 -0.3 8.7 38 36 A H H X S+ 0 0 69 -4,-1.5 4,-2.4 2,-0.2 -1,-0.2 0.937 117.2 52.0 -68.4 -47.4 -5.2 -2.3 8.0 39 37 A A H <>S+ 0 0 0 -4,-2.2 5,-1.8 -5,-0.2 4,-0.4 0.918 114.7 42.8 -50.8 -50.9 -3.5 -4.8 5.6 40 38 A I H ><5S+ 0 0 97 -4,-3.2 3,-1.3 3,-0.2 -1,-0.2 0.922 112.6 53.6 -61.8 -47.5 -0.8 -5.5 8.2 41 39 A R H 3<5S+ 0 0 200 -4,-2.5 -1,-0.2 -5,-0.4 -2,-0.2 0.854 115.2 40.8 -55.6 -39.6 -3.4 -5.6 11.0 42 40 A L T 3<5S- 0 0 38 -4,-2.4 -1,-0.3 -5,-0.1 -2,-0.2 0.366 118.3-108.1 -94.4 -0.6 -5.4 -8.2 9.0 43 41 A G T < 5 + 0 0 47 -3,-1.3 2,-0.3 -4,-0.4 -3,-0.2 0.985 59.8 160.7 68.5 62.2 -2.3 -10.3 7.8 44 42 A I < - 0 0 8 -5,-1.8 -1,-0.2 -8,-0.2 2,-0.2 -0.897 25.1-152.3-115.4 141.8 -2.4 -9.2 4.1 45 43 A K B +C 61 0A 57 16,-1.3 16,-1.7 -2,-0.3 2,-0.3 -0.609 42.7 86.2-104.1 167.6 0.6 -9.5 1.7 46 44 A G E -d 100 0A 2 53,-2.6 55,-0.6 14,-0.2 2,-0.2 -0.999 63.1 -91.5 150.1-146.9 1.4 -7.4 -1.4 47 45 A Y E -d 101 0A 65 -2,-0.3 12,-2.3 53,-0.2 2,-0.8 -0.840 13.2-143.2-170.8 140.0 3.1 -4.2 -2.4 48 46 A A E -dE 102 58A 0 53,-2.5 55,-2.7 -2,-0.2 2,-1.6 -0.840 19.9-167.8-111.4 88.9 1.9 -0.5 -2.8 49 47 A K E - E 0 57A 76 8,-1.4 2,-2.1 -2,-0.8 8,-1.0 -0.573 2.8-172.4 -93.0 77.9 3.9 0.8 -5.7 50 48 A N - 0 0 15 -2,-1.6 6,-0.1 6,-0.2 -1,-0.1 -0.477 1.6-173.0 -72.8 74.0 3.2 4.5 -5.6 51 49 A L - 0 0 55 -2,-2.1 2,-2.2 4,-0.2 3,-0.1 -0.582 37.6-114.9 -60.4 124.0 4.9 5.6 -8.9 52 50 A P S S+ 0 0 117 0, 0.0 -1,-0.1 0, 0.0 -2,-0.1 -0.442 91.3 96.7 -76.5 76.8 4.6 9.4 -8.5 53 51 A D S S- 0 0 94 -2,-2.2 2,-1.5 -29,-0.1 -29,-0.1 0.009 100.6 -99.4-151.1 26.5 2.2 10.0 -11.4 54 52 A G S S+ 0 0 25 -3,-0.1 2,-1.1 -31,-0.1 -28,-0.4 -0.228 105.8 88.1 80.6 -48.6 -1.3 10.1 -9.8 55 53 A S + 0 0 25 -2,-1.5 2,-0.5 -32,-0.2 -4,-0.2 -0.710 57.8 178.6 -91.3 91.3 -2.0 6.5 -10.8 56 54 A V E -A 22 0A 0 -34,-2.0 -34,-2.6 -2,-1.1 2,-0.3 -0.827 14.1-151.8 -94.5 126.2 -0.7 4.3 -7.9 57 55 A E E -AE 21 49A 29 -8,-1.0 -8,-1.4 -2,-0.5 2,-0.4 -0.770 7.6-164.6 -95.9 141.5 -1.2 0.5 -8.3 58 56 A V E -AE 20 48A 3 -38,-1.7 -38,-2.8 -2,-0.3 -10,-0.2 -0.986 11.7-164.8-123.7 137.1 -1.6 -1.8 -5.2 59 57 A V E +A 19 0A 8 -12,-2.3 -40,-0.2 -2,-0.4 38,-0.2 -0.512 26.5 168.3-118.5 61.0 -1.3 -5.6 -5.4 60 58 A A E -A 18 0A 1 -42,-0.9 -42,-1.9 -14,-0.2 2,-0.4 -0.292 20.7-150.8 -69.8 156.2 -2.8 -6.5 -2.0 61 59 A E E +AC 17 45A 0 -16,-1.7 -16,-1.3 -44,-0.3 2,-0.3 -0.931 21.0 166.1-143.2 112.2 -3.6 -10.1 -1.3 62 60 A G E -A 16 0A 0 -46,-2.1 -46,-2.5 -2,-0.4 -18,-0.1 -0.896 30.7-138.6-136.1 156.8 -6.4 -11.4 1.0 63 61 A Y - 0 0 59 -2,-0.3 -47,-0.3 -48,-0.3 -1,-0.2 0.974 54.1 -82.8 -72.0 -92.5 -8.5 -14.4 2.0 64 62 A E S > S+ 0 0 90 -49,-0.1 4,-2.9 3,-0.1 5,-0.2 0.228 120.7 33.5-154.6 -80.4 -12.2 -13.8 2.6 65 63 A E H > S+ 0 0 83 1,-0.2 4,-2.3 2,-0.2 5,-0.1 0.966 128.9 42.9 -52.7 -52.2 -13.0 -12.5 6.1 66 64 A A H > S+ 0 0 15 2,-0.2 4,-2.0 1,-0.2 -1,-0.2 0.794 113.8 53.8 -67.0 -28.8 -9.7 -10.7 5.9 67 65 A L H > S+ 0 0 30 2,-0.2 4,-2.9 1,-0.1 -2,-0.2 0.998 109.5 44.6 -64.9 -66.4 -10.4 -9.7 2.3 68 66 A S H X S+ 0 0 45 -4,-2.9 4,-2.9 1,-0.2 5,-0.3 0.822 113.7 52.7 -46.4 -42.6 -13.9 -8.1 3.1 69 67 A K H X S+ 0 0 117 -4,-2.3 4,-2.5 -5,-0.2 -1,-0.2 0.989 113.5 40.7 -57.4 -62.7 -12.3 -6.3 6.1 70 68 A L H X S+ 0 0 0 -4,-2.0 4,-1.4 2,-0.2 -2,-0.2 0.841 119.8 47.8 -57.4 -35.7 -9.5 -4.8 4.2 71 69 A L H >X S+ 0 0 21 -4,-2.9 4,-1.2 2,-0.2 3,-0.6 0.989 111.1 47.1 -64.6 -63.3 -11.9 -4.0 1.3 72 70 A E H 3X S+ 0 0 119 -4,-2.9 4,-1.7 1,-0.3 5,-0.2 0.821 109.3 59.4 -52.3 -37.2 -14.7 -2.4 3.3 73 71 A R H 3X S+ 0 0 12 -4,-2.5 4,-2.9 -5,-0.3 -1,-0.3 0.942 104.2 47.9 -48.4 -59.8 -12.0 -0.4 5.1 74 72 A I H << S+ 0 0 25 -4,-1.4 -2,-0.2 -3,-0.6 -1,-0.1 0.951 115.9 38.0 -62.3 -61.9 -10.7 1.4 2.0 75 73 A K H < S+ 0 0 116 -4,-1.2 -1,-0.2 1,-0.2 -2,-0.2 0.888 119.7 48.8 -52.1 -48.4 -13.9 2.6 0.3 76 74 A Q H < S+ 0 0 154 -4,-1.7 -1,-0.2 -5,-0.3 -2,-0.2 0.930 120.3 36.2 -58.4 -52.0 -15.6 3.5 3.7 77 75 A G S < S- 0 0 13 -4,-2.9 -1,-0.3 -5,-0.2 -2,-0.0 -0.817 86.3-163.1-107.8 86.2 -12.5 5.4 4.9 78 76 A P - 0 0 79 0, 0.0 -3,-0.1 0, 0.0 -2,-0.0 -0.149 28.2 -90.0 -66.3 163.7 -11.0 7.2 1.8 79 77 A P - 0 0 16 0, 0.0 2,-1.1 0, 0.0 4,-0.2 -0.232 38.5-101.5 -69.7 165.4 -7.5 8.7 1.8 80 78 A A S S+ 0 0 94 -54,-0.1 2,-0.3 2,-0.1 -50,-0.1 -0.198 99.5 70.6 -81.4 43.2 -6.6 12.2 2.9 81 79 A A S S- 0 0 16 -2,-1.1 2,-1.9 -52,-0.1 -55,-0.2 -0.942 101.3 -79.2-150.5 167.9 -6.4 13.3 -0.8 82 80 A E - 0 0 134 -2,-0.3 -57,-2.1 -57,-0.2 2,-0.3 -0.548 45.5-161.9 -76.5 80.5 -8.5 13.8 -3.9 83 81 A V B -F 24 0B 50 -2,-1.9 -59,-0.3 -4,-0.2 -61,-0.0 -0.544 5.4-168.8 -62.5 119.9 -9.0 10.2 -4.9 84 82 A E - 0 0 143 -61,-1.9 -60,-0.2 -2,-0.3 -1,-0.2 0.907 65.6 -17.3 -87.6 -50.0 -10.2 10.6 -8.6 85 83 A K - 0 0 134 -62,-0.5 2,-1.2 -64,-0.0 -1,-0.1 -0.363 58.3-162.9-166.1 71.6 -11.4 7.2 -9.6 86 84 A V + 0 0 70 -63,-0.2 2,-0.9 -64,-0.1 -64,-0.2 -0.454 17.2 178.0 -65.7 94.4 -10.4 4.2 -7.5 87 85 A D E -B 21 0A 102 -66,-1.3 -66,-0.6 -2,-1.2 -1,-0.1 -0.784 7.3-173.7-106.9 83.7 -11.2 1.4 -10.0 88 86 A Y E -B 20 0A 103 -2,-0.9 2,-0.4 -68,-0.2 -68,-0.2 -0.339 11.4-149.0 -77.7 163.4 -10.1 -1.9 -8.3 89 87 A S E -B 19 0A 51 -70,-3.0 -70,-1.5 -2,-0.1 2,-0.4 -0.928 10.0-139.8-139.1 110.2 -10.1 -5.3 -10.0 90 88 A F E +B 18 0A 154 -2,-0.4 -72,-0.2 -72,-0.2 2,-0.1 -0.568 44.3 152.6 -60.1 120.7 -10.7 -8.6 -8.2 91 89 A S - 0 0 28 -74,-1.2 2,-0.3 -2,-0.4 -1,-0.1 -0.341 41.2 -93.9-127.7-152.3 -8.1 -11.0 -9.8 92 90 A E - 0 0 139 -2,-0.1 2,-0.5 -76,-0.1 -76,-0.1 -0.954 35.7-103.2-134.2 156.0 -6.2 -14.1 -8.7 93 91 A Y - 0 0 83 -2,-0.3 3,-0.1 -78,-0.3 -78,-0.1 -0.672 22.5-175.9 -81.2 124.1 -2.8 -14.6 -7.2 94 92 A K S S- 0 0 204 -2,-0.5 2,-0.3 1,-0.4 -1,-0.2 0.882 80.5 -20.9 -73.6 -46.8 0.0 -15.8 -9.4 95 93 A G S S- 0 0 37 -3,-0.1 -1,-0.4 0, 0.0 2,-0.4 -0.954 75.5 -94.7-156.4 164.5 2.2 -15.9 -6.3 96 94 A E - 0 0 135 -2,-0.3 2,-0.2 -3,-0.1 -79,-0.0 -0.722 35.4-127.5 -89.9 134.0 2.4 -14.4 -2.8 97 95 A F - 0 0 82 -2,-0.4 2,-1.6 -38,-0.2 -50,-0.1 -0.516 31.6-102.3 -74.2 145.9 4.5 -11.3 -2.2 98 96 A E S S- 0 0 185 -2,-0.2 -1,-0.1 -53,-0.1 3,-0.0 -0.573 83.3 -53.6 -71.5 87.3 7.1 -11.3 0.6 99 97 A D S S- 0 0 131 -2,-1.6 -53,-2.6 1,-0.1 2,-0.4 -0.279 81.6 -72.0 66.4-160.5 4.9 -9.4 3.1 100 98 A F E +d 46 0A 15 -55,-0.3 2,-0.3 -56,-0.1 -53,-0.2 -0.964 55.4 164.9-137.7 113.4 3.5 -6.0 2.2 101 99 A E E -d 47 0A 135 -55,-0.6 -53,-2.5 -2,-0.4 2,-0.3 -0.841 28.0-123.5-125.9 164.6 5.6 -2.8 1.8 102 100 A T E d 48 0A 40 -2,-0.3 -53,-0.2 -55,-0.2 -44,-0.0 -0.845 360.0 360.0-109.0 143.5 5.1 0.7 0.2 103 101 A Y 0 0 140 -55,-2.7 -54,-0.1 -2,-0.3 -1,-0.1 0.846 360.0 360.0 -55.6 360.0 7.2 2.5 -2.5