==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=26-JAN-2011 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER DNA BINDING PROTEIN 19-SEP-10 2L3N . COMPND 2 MOLECULE: DNA-BINDING PROTEIN RAP1, TELOMERE LENGTH REGULAT . SOURCE 2 ORGANISM_SCIENTIFIC: SCHIZOSACCHAROMYCES POMBE, SYNTHETIC; . AUTHOR Z.R.ZHOU,F.WANG,Y.CHEN,M.LEI,H.HU . 104 1 0 0 0 TOTAL NUMBER OF RESIDUES, NUMBER OF CHAINS, NUMBER OF SS-BRIDGES(TOTAL,INTRACHAIN,INTERCHAIN) . 9692.0 ACCESSIBLE SURFACE OF PROTEIN (ANGSTROM**2) . 52 50.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(J) , SAME NUMBER PER 100 RESIDUES . 0 0.0 TOTAL NUMBER OF HYDROGEN BONDS IN PARALLEL BRIDGES, SAME NUMBER PER 100 RESIDUES . 0 0.0 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 . 2 1.9 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+2), SAME NUMBER PER 100 RESIDUES . 5 4.8 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+3), SAME NUMBER PER 100 RESIDUES . 42 40.4 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 1 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 RESIDUES PER ALPHA HELIX . 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 PARALLEL BRIDGES PER LADDER . 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 ANTIPARALLEL BRIDGES PER LADDER . 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 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 S 0 0 178 0, 0.0 2,-0.3 0, 0.0 0, 0.0 0.000 360.0 360.0 360.0 155.3 -7.7 -18.1 7.8 2 2 A V - 0 0 147 1,-0.0 2,-0.0 0, 0.0 0, 0.0 -0.928 360.0 -91.8-133.3 157.6 -6.5 -15.0 5.8 3 3 A S - 0 0 115 -2,-0.3 2,-0.1 1,-0.1 -1,-0.0 -0.311 43.1-108.2 -67.2 149.7 -3.1 -13.2 5.2 4 4 A I - 0 0 156 1,-0.1 2,-0.2 -2,-0.0 -1,-0.1 -0.328 37.4 -95.7 -72.0 157.5 -1.9 -10.3 7.5 5 5 A L - 0 0 176 -2,-0.1 2,-0.3 1,-0.0 -1,-0.1 -0.535 39.2-173.2 -74.6 142.0 -1.8 -6.6 6.4 6 6 A R - 0 0 211 -2,-0.2 2,-0.1 0, 0.0 -1,-0.0 -0.845 7.4-158.1-145.5 99.1 1.6 -5.3 5.1 7 7 A S - 0 0 94 -2,-0.3 2,-0.1 1,-0.1 -2,-0.0 -0.477 23.5-115.9 -74.0 147.8 2.2 -1.6 4.3 8 8 A S - 0 0 115 -2,-0.1 -1,-0.1 1,-0.1 3,-0.1 -0.319 14.2-160.2 -82.4 165.2 5.0 -0.6 1.8 9 9 A V >> + 0 0 106 -2,-0.1 3,-2.0 1,-0.1 4,-0.8 0.016 44.7 132.5-131.0 23.5 8.2 1.5 2.5 10 10 A N H 3> + 0 0 68 1,-0.3 4,-2.5 2,-0.2 5,-0.2 0.738 61.0 71.5 -63.8 -20.7 9.1 2.6 -1.0 11 11 A H H 3> S+ 0 0 92 1,-0.2 4,-2.3 2,-0.2 -1,-0.3 0.847 97.8 52.2 -61.4 -28.9 9.7 6.3 -0.0 12 12 A R H <> S+ 0 0 163 -3,-2.0 4,-2.6 2,-0.2 -1,-0.2 0.859 108.0 50.2 -71.2 -35.9 12.9 5.0 1.8 13 13 A E H X S+ 0 0 113 -4,-0.8 4,-2.1 2,-0.2 -2,-0.2 0.896 113.0 46.0 -69.4 -38.2 14.0 3.3 -1.5 14 14 A V H X S+ 0 0 13 -4,-2.5 4,-2.6 2,-0.2 -2,-0.2 0.908 112.7 50.7 -67.7 -41.0 13.3 6.6 -3.4 15 15 A D H X S+ 0 0 22 -4,-2.3 4,-2.7 2,-0.2 -2,-0.2 0.916 110.6 49.4 -61.3 -41.8 15.2 8.5 -0.6 16 16 A E H X S+ 0 0 133 -4,-2.6 4,-2.5 2,-0.2 -2,-0.2 0.901 110.6 50.0 -62.4 -41.0 18.1 6.0 -1.0 17 17 A A H X S+ 0 0 44 -4,-2.1 4,-1.9 2,-0.2 -2,-0.2 0.923 111.3 48.8 -65.2 -41.7 18.0 6.6 -4.8 18 18 A I H X S+ 0 0 0 -4,-2.6 4,-2.2 2,-0.2 -2,-0.2 0.941 110.9 50.8 -58.0 -48.1 18.1 10.4 -4.1 19 19 A D H X S+ 0 0 77 -4,-2.7 4,-2.3 1,-0.2 -2,-0.2 0.908 108.9 50.8 -59.7 -41.0 21.0 9.9 -1.7 20 20 A N H X S+ 0 0 81 -4,-2.5 4,-2.6 2,-0.2 -1,-0.2 0.843 107.4 54.2 -66.4 -31.5 22.9 7.9 -4.4 21 21 A I H X S+ 0 0 27 -4,-1.9 4,-2.7 2,-0.2 -2,-0.2 0.922 107.9 49.4 -66.0 -41.0 22.2 10.8 -6.9 22 22 A L H X>S+ 0 0 15 -4,-2.2 5,-2.1 2,-0.2 4,-0.9 0.936 114.1 46.5 -60.1 -44.4 23.9 13.2 -4.3 23 23 A R H <5S+ 0 0 200 -4,-2.3 3,-0.3 3,-0.2 -2,-0.2 0.902 115.0 46.1 -61.4 -45.2 26.8 10.7 -4.1 24 24 A Y H <5S+ 0 0 150 -4,-2.6 -2,-0.2 1,-0.2 -1,-0.2 0.876 119.9 38.5 -68.1 -40.3 27.0 10.4 -7.9 25 25 A T H <5S- 0 0 2 -4,-2.7 -1,-0.2 -5,-0.1 -2,-0.2 0.462 104.4-125.4 -91.2 -2.3 26.8 14.2 -8.6 26 26 A N T <5S+ 0 0 149 -4,-0.9 2,-0.2 -3,-0.3 -3,-0.2 0.949 71.2 116.1 52.9 54.0 29.0 15.2 -5.6 27 27 A S < - 0 0 20 -5,-2.1 2,-0.3 -6,-0.1 -1,-0.2 -0.721 65.3-102.3-136.4 178.3 26.2 17.5 -4.4 28 28 A T > - 0 0 52 -2,-0.2 4,-2.4 -3,-0.1 5,-0.2 -0.748 34.4-113.1-101.8 162.1 23.6 18.3 -1.7 29 29 A E H > S+ 0 0 54 -2,-0.3 4,-2.7 2,-0.2 5,-0.2 0.864 120.6 56.2 -61.9 -31.3 19.9 17.6 -1.7 30 30 A Q H > S+ 0 0 127 2,-0.2 4,-2.6 1,-0.2 -1,-0.2 0.950 108.6 46.0 -64.0 -45.8 19.4 21.5 -1.8 31 31 A Q H > S+ 0 0 86 2,-0.2 4,-2.2 1,-0.2 -2,-0.2 0.890 114.3 48.2 -64.4 -39.2 21.6 21.7 -5.0 32 32 A F H X S+ 0 0 0 -4,-2.4 4,-2.6 2,-0.2 -2,-0.2 0.905 110.7 51.0 -69.1 -38.6 19.6 18.7 -6.5 33 33 A L H X S+ 0 0 22 -4,-2.7 4,-2.7 2,-0.2 -2,-0.2 0.940 112.5 46.9 -61.8 -45.1 16.2 20.3 -5.6 34 34 A E H X S+ 0 0 131 -4,-2.6 4,-2.3 2,-0.2 -2,-0.2 0.899 112.2 49.9 -63.7 -39.5 17.4 23.6 -7.3 35 35 A A H X S+ 0 0 13 -4,-2.2 4,-1.5 2,-0.2 -2,-0.2 0.912 112.9 46.8 -65.2 -41.2 18.6 21.6 -10.3 36 36 A M H X>S+ 0 0 1 -4,-2.6 5,-2.6 2,-0.2 4,-0.6 0.919 112.4 49.8 -65.3 -42.3 15.2 19.8 -10.5 37 37 A E H <5S+ 0 0 108 -4,-2.7 3,-0.5 1,-0.2 -2,-0.2 0.896 113.3 46.7 -63.6 -39.2 13.3 23.1 -10.1 38 38 A S H <5S+ 0 0 107 -4,-2.3 -1,-0.2 1,-0.2 -2,-0.2 0.794 117.2 43.2 -71.0 -29.5 15.5 24.7 -12.9 39 39 A T H ><5S- 0 0 30 -4,-1.5 3,-0.7 -5,-0.2 -1,-0.2 0.311 115.4-106.5-104.9 6.1 15.1 21.7 -15.3 40 40 A G T 3<5S- 0 0 68 -4,-0.6 -3,-0.2 -3,-0.5 -4,-0.1 0.738 71.5 -60.7 76.6 23.4 11.3 21.0 -14.8 41 41 A G T 3 - 0 0 136 -3,-0.7 4,-2.8 -6,-0.3 3,-0.5 -0.686 37.4-159.5 -78.2 102.1 13.6 15.7 -15.3 43 43 A V H 3> S+ 0 0 25 -2,-1.0 4,-2.9 1,-0.2 5,-0.3 0.866 89.2 53.8 -52.6 -41.9 16.1 13.7 -13.1 44 44 A R H 3> S+ 0 0 178 1,-0.2 4,-2.0 2,-0.2 -1,-0.2 0.908 113.7 40.9 -60.9 -42.1 18.4 13.0 -16.2 45 45 A I H <> S+ 0 0 76 -3,-0.5 4,-2.8 2,-0.2 5,-0.2 0.899 114.7 53.4 -74.5 -38.0 18.6 16.8 -17.1 46 46 A A H X S+ 0 0 0 -4,-2.8 4,-2.5 2,-0.2 -2,-0.2 0.954 113.2 41.3 -62.1 -50.1 18.9 17.8 -13.4 47 47 A I H X S+ 0 0 34 -4,-2.9 4,-1.9 2,-0.2 -2,-0.2 0.895 114.4 54.2 -68.2 -34.8 21.9 15.4 -12.8 48 48 A A H X S+ 0 0 47 -4,-2.0 4,-2.7 -5,-0.3 -2,-0.2 0.946 113.6 40.5 -60.6 -48.2 23.4 16.4 -16.2 49 49 A K H < S+ 0 0 139 -4,-2.8 4,-0.4 2,-0.2 -2,-0.2 0.888 113.4 54.7 -68.0 -37.0 23.3 20.2 -15.3 50 50 A L H < S+ 0 0 13 -4,-2.5 -1,-0.2 -5,-0.2 -2,-0.2 0.800 115.7 39.3 -68.7 -29.6 24.5 19.4 -11.7 51 51 A L H >< S+ 0 0 71 -4,-1.9 3,-0.6 -5,-0.2 -2,-0.2 0.931 117.9 46.6 -76.7 -51.5 27.5 17.5 -13.2 52 52 A S T 3< S+ 0 0 79 -4,-2.7 -2,-0.2 1,-0.2 -3,-0.1 0.218 74.0 112.9 -85.2 14.8 28.3 20.0 -16.1 53 53 A K T 3 S+ 0 0 143 -4,-0.4 2,-0.3 1,-0.2 -1,-0.2 0.712 88.4 25.3 -58.6 -24.5 28.0 23.2 -14.0 54 54 A Q S < S+ 0 0 178 -3,-0.6 2,-0.3 -4,-0.1 -1,-0.2 -0.984 78.6 166.7-143.1 134.0 31.8 23.8 -14.5 55 55 A T - 0 0 109 -2,-0.3 -3,-0.0 -3,-0.1 -2,-0.0 -0.914 47.6-107.0-144.5 165.5 33.9 22.4 -17.5 56 56 A S - 0 0 135 -2,-0.3 -1,-0.0 1,-0.2 0, 0.0 0.676 56.7-152.2 -66.3 -22.6 37.3 22.7 -19.3 57 57 A G - 0 0 67 1,-0.0 2,-0.3 2,-0.0 -1,-0.2 -0.128 11.9-154.0 72.0-173.1 35.8 24.5 -22.3 58 58 A G - 0 0 74 1,-0.0 3,-0.1 3,-0.0 -1,-0.0 -0.951 32.6 -91.2 174.7 171.4 37.0 24.5 -26.0 59 59 A S S S- 0 0 146 -2,-0.3 2,-0.3 1,-0.2 -1,-0.0 0.654 94.5 -40.0 -75.8 -18.4 37.2 26.4 -29.4 60 60 A G S S- 0 0 69 -3,-0.0 -1,-0.2 0, 0.0 2,-0.1 -0.967 74.4 -56.3 173.3 177.6 34.0 24.7 -30.7 61 61 A G - 0 0 86 -2,-0.3 2,-0.1 1,-0.1 -2,-0.0 -0.300 54.7-102.1 -73.2 159.8 31.8 21.5 -31.1 62 62 A S - 0 0 106 1,-0.1 2,-0.3 -2,-0.1 -1,-0.1 -0.393 40.2 -92.4 -79.7 157.7 33.0 18.1 -32.5 63 63 A K + 0 0 200 -2,-0.1 2,-0.3 2,-0.0 -1,-0.1 -0.550 47.6 179.3 -71.8 133.5 32.2 16.7 -36.1 64 64 A L + 0 0 155 -2,-0.3 2,-0.3 2,-0.0 0, 0.0 -0.940 12.5 128.0-134.2 155.0 29.1 14.5 -36.4 65 65 A G + 0 0 86 -2,-0.3 2,-0.3 2,-0.0 -2,-0.0 -0.961 17.0 178.1 174.1 175.3 27.3 12.6 -39.2 66 66 A G - 0 0 80 -2,-0.3 2,-0.1 0, 0.0 -2,-0.0 -0.963 36.4 -67.0 177.4 170.6 25.8 9.3 -40.5 67 67 A S - 0 0 128 -2,-0.3 -2,-0.0 1,-0.1 2,-0.0 -0.329 51.7-102.9 -72.3 153.6 24.0 7.4 -43.3 68 68 A G + 0 0 84 -2,-0.1 2,-0.3 1,-0.0 -1,-0.1 -0.235 53.4 132.2 -69.8 163.1 20.3 8.0 -44.4 69 69 A G - 0 0 80 -2,-0.0 -1,-0.0 1,-0.0 2,-0.0 -0.966 49.2 -44.7 178.1-167.4 17.4 5.6 -43.4 70 70 A S - 0 0 107 -2,-0.3 -1,-0.0 1,-0.1 0, 0.0 -0.167 58.3 -97.0 -77.5 175.2 13.8 5.3 -42.0 71 71 A R - 0 0 186 1,-0.1 -1,-0.1 -2,-0.0 0, 0.0 0.653 39.7-151.2 -67.1 -19.8 12.3 7.1 -38.9 72 72 A K + 0 0 176 1,-0.1 -1,-0.1 0, 0.0 -2,-0.0 0.744 49.4 138.9 46.1 35.4 13.0 4.0 -36.7 73 73 A D - 0 0 101 1,-0.1 -1,-0.1 0, 0.0 -2,-0.0 0.583 45.1-152.7 -86.2 -12.4 9.9 5.0 -34.6 74 74 A L - 0 0 161 2,-0.0 -1,-0.1 0, 0.0 -3,-0.0 0.103 39.2 -25.5 60.0-178.4 8.4 1.5 -34.1 75 75 A S - 0 0 113 1,-0.1 0, 0.0 2,-0.1 0, 0.0 -0.294 48.9-136.3 -64.6 147.7 4.7 0.5 -33.5 76 76 A V S S+ 0 0 153 2,-0.0 -1,-0.1 -2,-0.0 2,-0.1 0.736 75.6 94.2 -78.0 -24.6 2.2 2.9 -32.0 77 77 A K + 0 0 193 1,-0.0 2,-0.3 2,-0.0 -2,-0.1 -0.359 48.2 111.3 -73.5 149.6 0.6 0.4 -29.6 78 78 A G - 0 0 72 -2,-0.1 2,-0.3 2,-0.0 -2,-0.0 -0.959 54.8 -89.3 175.9-164.9 1.7 -0.0 -25.9 79 79 A M - 0 0 179 -2,-0.3 2,-0.2 2,-0.0 -2,-0.0 -0.990 32.6-117.8-139.5 145.4 0.7 0.4 -22.2 80 80 A L + 0 0 165 -2,-0.3 2,-0.3 0, 0.0 -2,-0.0 -0.506 31.6 169.9 -85.0 150.1 1.2 3.4 -19.7 81 81 A Y - 0 0 224 -2,-0.2 2,-0.1 0, 0.0 -2,-0.0 -0.947 41.8 -74.3-149.1 165.5 3.2 3.4 -16.5 82 82 A D - 0 0 86 -2,-0.3 3,-0.0 1,-0.1 0, 0.0 -0.342 30.6-140.0 -65.8 144.3 4.4 6.0 -13.8 83 83 A S - 0 0 86 1,-0.1 2,-1.8 -2,-0.1 -1,-0.1 0.522 18.9-148.1 -83.0 -8.4 7.4 8.3 -14.8 84 84 A D S > S+ 0 0 94 1,-0.2 4,-2.7 4,-0.0 3,-0.3 -0.089 78.4 95.8 55.8 -25.6 9.1 8.1 -11.4 85 85 A S H > S+ 0 0 22 -2,-1.8 4,-2.7 1,-0.2 -1,-0.2 0.864 84.3 49.2 -50.4 -42.7 10.4 11.7 -11.8 86 86 A Q H > S+ 0 0 128 2,-0.2 4,-2.5 1,-0.2 -1,-0.2 0.858 110.4 49.8 -70.7 -34.8 7.4 13.0 -9.8 87 87 A Q H > S+ 0 0 70 -3,-0.3 4,-2.5 2,-0.2 5,-0.2 0.939 113.6 45.6 -68.8 -44.4 8.1 10.5 -7.0 88 88 A I H X S+ 0 0 16 -4,-2.7 4,-2.9 2,-0.2 5,-0.2 0.954 114.5 49.0 -60.7 -49.2 11.8 11.5 -6.8 89 89 A L H X S+ 0 0 20 -4,-2.7 4,-2.8 -5,-0.2 5,-0.2 0.906 111.4 49.4 -60.2 -42.3 10.8 15.2 -6.9 90 90 A N H X S+ 0 0 65 -4,-2.5 4,-2.5 2,-0.2 5,-0.2 0.957 115.5 42.1 -60.8 -50.3 8.2 14.7 -4.1 91 91 A R H X S+ 0 0 14 -4,-2.5 4,-2.3 1,-0.2 -2,-0.2 0.886 117.0 49.0 -68.0 -34.4 10.6 12.8 -1.8 92 92 A L H X S+ 0 0 0 -4,-2.9 4,-2.3 -5,-0.2 5,-0.2 0.920 112.9 46.3 -67.0 -45.2 13.4 15.3 -2.7 93 93 A R H X S+ 0 0 92 -4,-2.8 4,-3.1 -5,-0.2 5,-0.3 0.901 115.1 46.5 -69.8 -37.5 11.2 18.4 -2.0 94 94 A E H X S+ 0 0 83 -4,-2.5 4,-2.1 -5,-0.2 6,-1.9 0.922 113.5 49.3 -69.7 -40.0 9.9 17.0 1.3 95 95 A R H X S+ 0 0 44 -4,-2.3 4,-0.8 4,-0.3 -2,-0.2 0.884 121.5 35.8 -60.7 -40.5 13.5 16.0 2.3 96 96 A V H < S+ 0 0 43 -4,-2.3 -2,-0.2 2,-0.2 -3,-0.2 0.902 124.4 38.9 -79.9 -45.3 14.7 19.6 1.4 97 97 A S H < S+ 0 0 106 -4,-3.1 -3,-0.2 -5,-0.2 -2,-0.2 0.829 140.8 1.0 -79.6 -34.1 11.7 21.6 2.5 98 98 A G H >< S- 0 0 29 -4,-2.1 3,-2.5 -5,-0.3 -3,-0.2 0.044 92.3-108.6-150.6 27.2 10.7 19.7 5.8 99 99 A S T 3< - 0 0 100 -4,-0.8 -4,-0.3 1,-0.3 -3,-0.1 0.638 67.5 -76.8 54.7 21.4 13.2 16.8 6.4 100 100 A T T 3 S+ 0 0 67 -6,-1.9 -1,-0.3 1,-0.2 -5,-0.1 0.761 88.8 162.6 54.7 27.5 10.5 14.2 5.4 101 101 A A < - 0 0 57 -3,-2.5 -1,-0.2 -7,-0.3 3,-0.0 -0.338 52.4-119.1 -74.1 157.6 9.0 14.9 9.0 102 102 A Q S S+ 0 0 191 1,-0.1 2,-0.3 -2,-0.1 -1,-0.1 0.622 96.2 21.6 -73.3 -15.9 5.4 14.0 10.1 103 103 A S 0 0 97 -5,-0.2 -1,-0.1 1,-0.1 -2,-0.1 -0.984 360.0 360.0-150.9 152.2 4.6 17.7 10.8 104 104 A A 0 0 156 -2,-0.3 -1,-0.1 -3,-0.0 -2,-0.1 0.452 360.0 360.0-144.1 360.0 5.9 21.2 9.7