==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=6-FEB-2011 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER IMMUNE SYSTEM 12-JUL-10 2XKU . COMPND 2 MOLECULE: BETA-2-MICROGLOBULIN; . SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; . AUTHOR T.EICHNER,A.P.KALVERDA,G.S.THOMPSON,S.W.HOMANS,S.E.RADFORD . 93 1 1 1 0 TOTAL NUMBER OF RESIDUES, NUMBER OF CHAINS, NUMBER OF SS-BRIDGES(TOTAL,INTRACHAIN,INTERCHAIN) . 6408.0 ACCESSIBLE SURFACE OF PROTEIN (ANGSTROM**2) . 46 49.5 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 . 29 31.2 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 . 1 1.1 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 . 11 11.8 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+2), SAME NUMBER PER 100 RESIDUES . 5 5.4 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+3), SAME NUMBER PER 100 RESIDUES . 1 1.1 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 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 . 1 3 0 2 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 . 1 1 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 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 6 A M 0 0 162 0, 0.0 2,-0.3 0, 0.0 22,-0.3 0.000 360.0 360.0 360.0-102.4 5.2 -7.6 7.2 2 7 A I - 0 0 15 20,-0.1 2,-0.5 85,-0.1 20,-0.1 -0.992 360.0-154.5-146.0 143.8 3.1 -4.6 6.2 3 8 A Q E -A 21 0A 125 18,-1.0 18,-1.4 -2,-0.3 2,-0.2 -0.925 14.8-165.2-128.5 106.7 0.5 -2.5 8.2 4 9 A V E +A 20 0A 11 -2,-0.5 87,-0.2 16,-0.2 2,-0.2 -0.639 17.1 153.3 -93.0 151.2 -2.2 -0.7 6.2 5 10 A Y E -A 19 0A 120 14,-2.9 14,-2.2 -2,-0.2 2,-0.3 -0.816 33.1-113.5-152.2-175.7 -4.5 2.0 7.5 6 11 A S E -A 18 0A 28 -2,-0.2 12,-0.1 12,-0.2 4,-0.1 -0.956 16.0-130.3-132.7 158.4 -6.5 5.0 6.3 7 12 A R S S+ 0 0 190 10,-1.0 11,-0.1 -2,-0.3 -1,-0.1 0.759 95.3 17.1 -74.5 -25.3 -6.2 8.7 6.9 8 13 A H S S- 0 0 104 9,-0.3 3,-0.0 1,-0.1 8,-0.0 -0.830 100.3 -69.9-139.2 172.2 -9.9 8.9 7.8 9 14 A P - 0 0 85 0, 0.0 2,-0.9 0, 0.0 -2,-0.1 -0.313 57.3 -96.5 -66.2 148.5 -12.8 6.5 8.9 10 15 A A + 0 0 39 -4,-0.1 2,-0.7 56,-0.0 56,-0.0 -0.577 45.3 179.7 -66.5 102.7 -14.2 4.1 6.4 11 16 A E > - 0 0 95 -2,-0.9 3,-2.7 3,-0.1 2,-0.5 -0.918 31.1-126.5-109.3 106.6 -17.4 5.7 4.9 12 17 A N T 3 S+ 0 0 95 -2,-0.7 56,-0.2 1,-0.3 3,-0.1 -0.326 98.4 24.7 -51.0 101.4 -19.1 3.5 2.3 13 18 A G T 3 S+ 0 0 45 54,-0.8 -1,-0.3 -2,-0.5 2,-0.2 0.266 96.7 110.3 122.7 -8.9 -19.3 5.8 -0.7 14 19 A K < - 0 0 109 -3,-2.7 -1,-0.4 53,-0.1 2,-0.4 -0.651 60.8-132.3 -94.0 154.1 -16.5 8.3 -0.1 15 20 A S + 0 0 75 -2,-0.2 2,-0.3 51,-0.2 51,-0.2 -0.867 45.2 138.2 -99.5 144.2 -13.3 8.7 -1.9 16 21 A N E -C 65 0B 27 49,-1.2 49,-2.7 -2,-0.4 2,-0.5 -0.883 50.7 -69.7-170.3-176.9 -10.2 8.9 0.3 17 22 A F E -C 64 0B 98 -2,-0.3 -10,-1.0 47,-0.2 2,-0.5 -0.837 28.3-142.0-111.1 130.5 -6.6 7.7 0.5 18 23 A L E -A 6 0A 2 45,-1.7 2,-0.6 -2,-0.5 45,-0.5 -0.745 20.4-153.4 -85.7 123.9 -5.4 4.2 1.2 19 24 A N E +A 5 0A 17 -14,-2.2 -14,-2.9 -2,-0.5 2,-0.5 -0.887 15.4 179.5-107.5 117.7 -2.3 4.2 3.4 20 25 A a E -AB 4 61A 0 41,-0.7 41,-0.6 -2,-0.6 2,-0.4 -0.959 13.1-156.1-118.3 110.9 0.2 1.4 3.1 21 26 A Y E -AB 3 60A 79 -18,-1.4 -18,-1.0 -2,-0.5 2,-0.4 -0.722 11.5-178.2 -87.6 136.9 3.3 1.6 5.4 22 27 A V + 0 0 2 37,-1.6 2,-0.4 -2,-0.4 37,-0.4 -0.907 13.3 177.3-133.7 105.6 6.4 -0.3 4.3 23 28 A S + 0 0 77 -2,-0.4 3,-0.1 -22,-0.3 34,-0.1 -0.920 54.6 28.5-124.1 132.4 9.2 0.2 6.9 24 29 A G S S+ 0 0 65 -2,-0.4 2,-0.7 1,-0.1 -1,-0.2 0.320 89.9 106.8 105.5 -3.8 12.8 -1.3 7.1 25 30 A F S S- 0 0 52 -3,-0.2 -1,-0.1 30,-0.1 30,-0.1 -0.900 75.5-125.7-113.7 100.0 13.1 -1.7 3.3 26 31 A H > - 0 0 66 -2,-0.7 3,-1.2 1,-0.2 28,-0.1 -0.257 24.7-129.0 -38.9 115.5 15.5 0.8 1.7 27 32 A P G > S+ 0 0 6 0, 0.0 3,-0.8 0, 0.0 23,-0.2 0.638 94.9 76.6 -50.9 -21.8 13.2 2.4 -1.0 28 33 A S G 3 S+ 0 0 31 25,-0.4 22,-0.1 1,-0.2 26,-0.1 0.920 103.8 26.1 -61.6 -49.4 15.7 1.8 -3.8 29 34 A D G < S+ 0 0 91 -3,-1.2 51,-0.6 24,-0.2 2,-0.3 -0.096 101.9 93.2-114.8 36.2 15.3 -2.0 -4.4 30 35 A I E < -D 79 0C 7 -3,-0.8 2,-0.4 49,-0.1 49,-0.2 -0.844 55.2-146.7-122.7 163.7 11.7 -2.7 -3.3 31 36 A E E +D 78 0C 125 47,-2.4 47,-2.8 -2,-0.3 2,-0.4 -0.996 19.4 171.1-131.7 127.7 8.4 -2.9 -5.0 32 37 A V E +D 77 0C 8 -2,-0.4 2,-0.3 45,-0.2 45,-0.2 -1.000 2.0 173.2-137.4 134.3 5.0 -2.0 -3.5 33 38 A D E -D 76 0C 41 43,-2.2 43,-2.2 -2,-0.4 2,-0.5 -0.902 31.1-118.7-134.0 163.8 1.6 -1.6 -5.1 34 39 A L E -D 75 0C 2 -2,-0.3 7,-2.4 41,-0.2 8,-0.5 -0.925 41.1-175.7-108.4 127.1 -2.0 -1.0 -3.8 35 40 A L E -DE 74 40C 11 39,-4.1 39,-2.2 -2,-0.5 2,-0.4 -0.657 32.6-138.9-121.5 169.6 -4.5 -3.8 -4.6 36 41 A K E > S-DE 73 39C 78 3,-1.9 3,-0.5 37,-0.2 37,-0.2 -0.948 90.8 -36.5-126.2 108.8 -8.1 -4.9 -4.5 37 42 A N T 3 S- 0 0 96 35,-0.6 3,-0.1 -2,-0.4 36,-0.1 0.882 130.9 -37.3 39.2 50.6 -8.3 -8.6 -3.5 38 43 A G T 3 S+ 0 0 55 1,-0.2 2,-0.5 34,-0.1 -1,-0.3 0.761 116.3 120.5 75.9 26.1 -5.1 -9.2 -5.5 39 44 A E E < -E 36 0C 120 -3,-0.5 -3,-1.9 35,-0.1 -1,-0.2 -0.983 68.0-116.7-127.2 122.1 -6.0 -6.7 -8.3 40 45 A R E -E 35 0C 114 -2,-0.5 -5,-0.2 -5,-0.2 -7,-0.0 -0.372 19.8-162.3 -62.1 121.5 -3.8 -3.7 -9.1 41 46 A I - 0 0 28 -7,-2.4 -1,-0.1 -2,-0.2 -6,-0.1 0.978 14.9-163.6 -65.7 -66.6 -5.7 -0.5 -8.5 42 47 A E + 0 0 118 -8,-0.5 2,-2.0 1,-0.0 -1,-0.1 -0.204 60.4 97.1 116.7 -31.7 -3.4 1.7 -10.6 43 48 A K + 0 0 157 21,-0.2 21,-0.7 -9,-0.1 2,-0.4 -0.244 60.8 121.6 -83.6 52.9 -4.1 5.3 -9.5 44 49 A V B -G 63 0D 20 -2,-2.0 2,-0.4 19,-0.2 19,-0.2 -0.930 39.3-175.4-121.8 134.7 -1.2 5.2 -7.1 45 50 A E + 0 0 137 17,-1.5 17,-0.3 -2,-0.4 2,-0.3 -0.914 24.2 131.6-141.3 113.7 1.8 7.5 -7.1 46 51 A H - 0 0 54 -2,-0.4 2,-0.4 15,-0.1 15,-0.1 -0.864 37.6-147.6-148.0 124.9 4.9 7.6 -5.2 47 52 A S - 0 0 94 -2,-0.3 -2,-0.0 1,-0.1 0, 0.0 -0.784 24.0-112.6 -96.4 134.8 8.2 8.0 -6.9 48 53 A D - 0 0 83 -2,-0.4 3,-0.1 1,-0.1 -20,-0.1 -0.266 18.0-161.3 -67.2 151.4 11.3 6.4 -5.5 49 54 A L + 0 0 79 1,-0.1 3,-0.2 6,-0.0 -21,-0.1 -0.177 41.3 136.2-125.6 38.1 14.0 8.6 -4.1 50 55 A S > + 0 0 29 1,-0.2 2,-3.1 -23,-0.2 4,-0.7 0.905 17.9 167.0 -61.3 -54.3 16.8 6.0 -4.1 51 56 A F T 4 S- 0 0 202 1,-0.2 -1,-0.2 2,-0.1 -3,-0.0 -0.284 80.3 -27.0 67.6 -55.4 19.7 8.1 -5.5 52 57 A S T 4 S- 0 0 88 -2,-3.1 -1,-0.2 -3,-0.2 -2,-0.1 0.190 132.5 -13.1-147.5 -84.1 22.2 5.3 -4.5 53 58 A K T 4 S- 0 0 130 -3,-0.2 -25,-0.4 1,-0.1 -24,-0.2 0.669 88.0-154.5-104.5 -24.4 21.5 3.0 -1.6 54 59 A D < - 0 0 26 -4,-0.7 2,-0.3 -27,-0.1 -28,-0.1 -0.024 8.5-110.6 74.8 179.8 18.6 5.0 -0.1 55 60 A W - 0 0 163 -30,-0.1 2,-0.9 -6,-0.1 -1,-0.1 -0.860 13.2-142.7-157.6 110.8 17.2 5.1 3.5 56 61 A S + 0 0 13 -2,-0.3 -30,-0.1 1,-0.2 3,-0.1 -0.679 46.9 135.4 -81.7 105.4 13.9 3.7 4.7 57 62 A F S S- 0 0 143 -2,-0.9 -1,-0.2 1,-0.2 -34,-0.1 0.293 83.8 -6.8-127.6 9.2 12.5 6.1 7.3 58 63 A Y - 0 0 128 -36,-0.2 2,-0.5 -3,-0.1 -1,-0.2 -0.201 64.0-171.2 151.0 92.3 8.9 6.2 6.1 59 64 A L + 0 0 2 -37,-0.4 -37,-1.6 -3,-0.1 2,-0.3 -0.947 19.6 157.6-105.5 124.4 7.6 4.6 2.9 60 65 A L E -B 21 0A 42 -2,-0.5 2,-0.3 -39,-0.2 -39,-0.1 -0.996 19.5-168.6-146.0 143.1 4.1 5.4 1.9 61 66 A Y E -B 20 0A 19 -41,-0.6 -41,-0.7 -2,-0.3 2,-0.4 -0.845 14.4-143.9-123.3 161.6 2.1 5.4 -1.4 62 67 A Y + 0 0 123 -17,-0.3 -17,-1.5 -2,-0.3 2,-0.3 -0.990 19.3 168.2-139.3 136.5 -1.4 6.9 -2.1 63 68 A T B -G 44 0D 1 -45,-0.5 -45,-1.7 -2,-0.4 2,-0.3 -0.994 39.9-103.2-143.2 144.4 -4.4 5.9 -4.2 64 69 A E E -C 17 0B 102 -21,-0.7 2,-0.3 -2,-0.3 -47,-0.2 -0.510 46.0-175.5 -62.7 126.0 -8.1 7.1 -4.5 65 70 A F E -C 16 0B 8 -49,-2.7 -49,-1.2 -2,-0.3 8,-0.0 -0.899 24.7-171.0-124.7 155.3 -10.4 4.6 -2.8 66 71 A T - 0 0 57 -2,-0.3 -51,-0.2 -51,-0.2 5,-0.1 -0.822 26.1-136.7-138.7 107.6 -14.2 4.2 -2.3 67 72 A P + 0 0 1 0, 0.0 -54,-0.8 0, 0.0 2,-0.3 -0.376 28.3 174.5 -69.7 136.0 -15.2 1.4 0.2 68 73 A T - 0 0 62 3,-0.5 3,-0.2 -56,-0.2 -2,-0.0 -0.898 48.2-105.6-134.6 158.8 -18.1 -0.8 -0.9 69 74 A E S S+ 0 0 132 -2,-0.3 3,-0.0 1,-0.2 -57,-0.0 0.531 120.3 42.2 -62.1 -4.2 -19.7 -3.9 0.6 70 75 A K S S+ 0 0 168 1,-0.1 2,-0.4 2,-0.0 -1,-0.2 0.752 94.9 79.7-112.5 -32.3 -17.9 -5.8 -2.1 71 76 A D - 0 0 19 -3,-0.2 -3,-0.5 -5,-0.1 2,-0.4 -0.699 52.8-160.7-101.9 133.3 -14.3 -4.6 -2.5 72 77 A E - 0 0 25 -2,-0.4 -35,-0.6 -5,-0.1 2,-0.5 -0.829 12.8-143.4-103.9 139.6 -11.3 -5.4 -0.3 73 78 A Y E +D 36 0C 18 -2,-0.4 17,-2.8 17,-0.3 2,-0.3 -0.922 23.9 171.3-114.4 126.7 -8.2 -3.2 -0.2 74 79 A A E -DF 35 89C 0 -39,-2.2 -39,-4.1 -2,-0.5 2,-0.5 -0.885 24.6-142.2-132.3 156.7 -4.7 -4.7 0.1 75 80 A a E -DF 34 88C 2 13,-2.4 13,-1.3 -2,-0.3 2,-0.4 -0.979 17.6-157.0-127.3 120.8 -1.1 -3.5 -0.2 76 81 A R E -DF 33 87C 111 -43,-2.2 -43,-2.2 -2,-0.5 2,-0.4 -0.796 10.9-178.5-102.7 135.5 1.6 -5.7 -1.8 77 82 A V E -DF 32 86C 6 9,-1.5 9,-2.0 -2,-0.4 2,-0.4 -0.994 3.0-176.0-134.5 142.6 5.3 -5.5 -1.2 78 83 A N E -D 31 0C 51 -47,-2.8 -47,-2.4 -2,-0.4 2,-0.3 -0.990 2.2-178.8-134.6 143.5 8.3 -7.4 -2.6 79 84 A H E -D 30 0C 53 -2,-0.4 3,-0.4 -49,-0.2 -49,-0.1 -0.923 45.3-102.7-133.0 160.4 12.0 -7.4 -1.9 80 85 A V S S+ 0 0 121 -51,-0.6 -50,-0.1 -2,-0.3 -1,-0.0 0.832 120.7 58.6 -51.1 -34.5 14.9 -9.4 -3.5 81 86 A T S S+ 0 0 110 2,-0.1 -1,-0.2 -3,-0.0 2,-0.0 0.946 97.3 68.2 -64.5 -49.2 14.9 -11.6 -0.4 82 87 A L - 0 0 46 -3,-0.4 -4,-0.0 1,-0.1 4,-0.0 -0.364 64.1-160.0 -65.5 148.6 11.3 -12.7 -0.8 83 88 A S S S+ 0 0 126 1,-0.3 -1,-0.1 -2,-0.0 -3,-0.1 0.418 85.4 36.5-102.2 -5.6 10.5 -14.9 -3.8 84 89 A Q S S- 0 0 129 -5,-0.1 -1,-0.3 -7,-0.1 -5,-0.1 -0.957 85.3-124.0-148.1 123.8 6.9 -13.8 -3.5 85 90 A P - 0 0 33 0, 0.0 2,-0.3 0, 0.0 -7,-0.2 -0.326 30.4-127.5 -63.8 153.6 5.4 -10.4 -2.5 86 91 A K E -F 77 0C 66 -9,-2.0 -9,-1.5 -85,-0.0 2,-0.5 -0.735 10.1-137.0-107.4 151.0 3.0 -10.4 0.4 87 92 A I E -F 76 0C 41 -2,-0.3 2,-0.5 -11,-0.2 -11,-0.2 -0.912 12.1-169.9-109.8 131.8 -0.5 -8.9 0.7 88 93 A V E -F 75 0C 18 -13,-1.3 -13,-2.4 -2,-0.5 2,-0.4 -0.987 12.9-158.8-116.0 122.5 -1.8 -6.9 3.6 89 94 A K E -F 74 0C 107 -2,-0.5 2,-0.4 -15,-0.3 -15,-0.3 -0.819 20.4-113.6-107.7 145.0 -5.5 -6.3 3.6 90 95 A W > - 0 0 37 -17,-2.8 2,-0.9 -2,-0.4 3,-0.8 -0.596 33.4-111.3 -83.2 129.0 -7.2 -3.5 5.5 91 96 A D T 3 S+ 0 0 154 -2,-0.4 -1,-0.1 -87,-0.2 -19,-0.0 -0.423 94.8 74.2 -64.7 99.3 -9.6 -4.7 8.3 92 97 A R T 3 0 0 75 -2,-0.9 -1,-0.2 -19,-0.0 -2,-0.0 0.227 360.0 360.0-176.1 -9.7 -13.1 -3.8 7.1 93 98 A D < 0 0 83 -3,-0.8 -2,-0.1 -20,-0.1 -21,-0.1 0.264 360.0 360.0-165.0 360.0 -13.9 -6.4 4.5