==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=20-JAN-2010 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER IMMUNE SYSTEM 19-SEP-08 3EKC . COMPND 2 MOLECULE: BETA-2-MICROGLOBULIN; . SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; . AUTHOR S.RICAGNO,E.SANGIOVANNI,V.BELLOTTI,M.BOLOGNESI . 100 1 1 1 0 TOTAL NUMBER OF RESIDUES, NUMBER OF CHAINS, NUMBER OF SS-BRIDGES(TOTAL,INTRACHAIN,INTERCHAIN) . 6735.0 ACCESSIBLE SURFACE OF PROTEIN (ANGSTROM**2) . 61 61.0 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 . 42 42.0 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 . 1 1.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I-4), SAME NUMBER PER 100 RESIDUES . 1 1.0 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 . 13 13.0 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+2), SAME NUMBER PER 100 RESIDUES . 7 7.0 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+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 1 0 1 0 2 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 . 0 0 2 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 0 A M 0 0 201 0, 0.0 2,-0.3 0, 0.0 0, 0.0 0.000 360.0 360.0 360.0 150.6 -7.0 7.7 32.6 2 1 A I - 0 0 81 2,-0.0 2,-0.4 0, 0.0 0, 0.0 -0.993 360.0-170.9-137.9 141.3 -3.8 8.6 30.9 3 2 A Q + 0 0 103 -2,-0.3 2,-0.4 84,-0.0 28,-0.0 -0.997 4.2 179.9-135.9 137.8 -2.7 8.5 27.3 4 3 A R B -A 32 0A 66 28,-3.1 28,-1.9 -2,-0.4 83,-0.1 -0.986 25.2-128.7-137.2 126.0 0.8 9.1 26.0 5 4 A T - 0 0 65 -2,-0.4 2,-0.2 26,-0.2 24,-0.0 -0.390 34.2-108.4 -76.5 142.9 1.8 8.9 22.4 6 5 A P - 0 0 3 0, 0.0 2,-0.3 0, 0.0 24,-0.2 -0.483 17.0-132.6 -73.0 148.8 4.8 6.7 21.6 7 6 A K E -B 29 0B 123 22,-2.7 22,-2.6 -2,-0.2 2,-0.4 -0.736 26.1-154.7 -82.8 142.6 8.2 8.0 20.6 8 7 A I E +B 28 0B 20 -2,-0.3 2,-0.4 20,-0.2 20,-0.2 -0.983 16.0 178.9-130.0 124.9 9.5 6.1 17.6 9 8 A Q E -B 27 0B 84 18,-1.9 18,-2.6 -2,-0.4 2,-0.4 -0.991 8.5-163.9-125.0 133.1 13.2 5.6 16.7 10 9 A V E +B 26 0B 12 -2,-0.4 87,-0.4 85,-0.2 2,-0.3 -0.969 27.4 139.1-122.1 122.9 14.3 3.6 13.6 11 10 A Y E -B 25 0B 39 14,-1.8 14,-2.7 -2,-0.4 2,-0.3 -0.968 41.5-116.9-155.3 166.9 17.9 2.4 13.3 12 11 A S E +B 24 0B 22 -2,-0.3 2,-0.3 12,-0.2 12,-0.2 -0.890 26.5 179.2-115.9 149.0 20.2 -0.5 12.3 13 12 A R E -B 23 0B 140 10,-2.3 10,-2.4 -2,-0.3 -2,-0.0 -0.996 21.0-147.4-143.7 145.9 22.6 -2.6 14.5 14 13 A H - 0 0 94 -2,-0.3 8,-0.2 8,-0.2 5,-0.1 -0.974 32.5-119.7-104.9 128.5 25.0 -5.5 14.0 15 14 A P > - 0 0 44 0, 0.0 3,-1.0 0, 0.0 6,-0.2 -0.422 20.5-128.5 -63.8 139.0 25.3 -7.8 17.1 16 15 A A T 3 S+ 0 0 96 1,-0.3 3,-0.4 2,-0.1 -2,-0.0 0.792 107.8 58.7 -63.8 -23.1 28.9 -7.7 18.2 17 16 A E T 3 S+ 0 0 176 1,-0.3 -1,-0.3 2,-0.1 2,-0.2 0.781 118.1 29.2 -73.9 -27.2 29.0 -11.5 18.2 18 17 A N X + 0 0 78 -3,-1.0 3,-2.1 3,-0.1 -1,-0.3 -0.676 60.8 176.1-141.5 79.7 28.1 -11.6 14.5 19 18 A G T 3 S+ 0 0 56 -3,-0.4 -3,-0.1 1,-0.3 -1,-0.1 0.425 79.8 67.7 -67.2 3.8 29.3 -8.6 12.5 20 19 A K T 3 S+ 0 0 198 1,-0.1 2,-0.6 -5,-0.1 -1,-0.3 0.525 87.1 76.4-100.5 -8.8 27.9 -10.2 9.4 21 20 A S < - 0 0 4 -3,-2.1 2,-0.3 -6,-0.2 -3,-0.1 -0.905 64.2-164.6-111.4 111.0 24.3 -9.9 10.4 22 21 A N - 0 0 29 -2,-0.6 49,-2.5 49,-0.5 2,-0.4 -0.679 7.4-157.4 -97.1 142.3 22.6 -6.5 10.2 23 22 A F E -BC 13 70B 28 -10,-2.4 -10,-2.3 -2,-0.3 2,-0.5 -0.981 11.3-143.6-130.2 134.9 19.3 -5.8 12.0 24 23 A L E -BC 12 69B 0 45,-2.8 45,-2.0 -2,-0.4 2,-0.4 -0.830 28.6-168.7 -97.0 127.6 16.6 -3.3 11.4 25 24 A N E -BC 11 68B 11 -14,-2.7 -14,-1.8 -2,-0.5 2,-0.4 -0.930 23.5-170.0-126.6 144.1 15.0 -1.9 14.6 26 25 A a E -BC 10 67B 0 41,-2.2 41,-2.5 -2,-0.4 2,-0.7 -0.981 9.9-165.6-128.6 120.0 12.1 0.1 15.7 27 26 A Y E -BC 9 66B 75 -18,-2.6 -18,-1.9 -2,-0.4 2,-0.6 -0.942 5.8-172.7-110.1 111.2 12.0 1.2 19.4 28 27 A V E -BC 8 65B 0 37,-2.5 37,-2.8 -2,-0.7 2,-0.3 -0.956 20.0-179.3-111.7 113.1 8.6 2.4 20.3 29 28 A S E +BC 7 64B 16 -22,-2.6 -22,-2.7 -2,-0.6 35,-0.2 -0.873 38.3 14.9-131.8 147.9 8.7 3.9 23.7 30 29 A G E S+ 0 0 19 33,-0.7 2,-0.2 -2,-0.3 34,-0.2 0.696 75.4 154.5 77.1 22.6 6.8 5.6 26.5 31 30 A F E - C 0 63B 0 32,-1.7 32,-2.4 -3,-0.1 -1,-0.2 -0.592 28.8-144.6 -96.2 150.7 3.3 4.7 25.3 32 31 A H B S+A 4 0A 41 -28,-1.9 -28,-3.1 -2,-0.2 2,-0.2 -0.935 75.8 35.3-159.0 131.8 0.0 4.3 27.2 33 32 A P S S- 0 0 45 0, 0.0 53,-0.1 0, 0.0 30,-0.1 0.597 82.3-132.0 -70.1-179.9 -2.3 2.6 26.9 34 33 A S S S+ 0 0 49 -2,-0.2 -3,-0.1 51,-0.1 -2,-0.0 0.717 71.8 109.7 -79.1 -20.9 -0.6 -0.6 25.7 35 34 A D + 0 0 132 2,-0.0 51,-0.4 50,-0.0 2,-0.3 -0.343 48.1 144.8 -57.0 135.7 -2.8 -1.4 22.7 36 35 A I - 0 0 54 49,-0.1 2,-0.4 50,-0.1 49,-0.2 -0.978 44.4-141.9-171.8 155.8 -0.7 -0.7 19.6 37 36 A E E +E 84 0C 109 47,-2.0 47,-2.6 -2,-0.3 2,-0.4 -0.998 23.5 177.7-132.4 125.2 0.1 -1.8 16.1 38 37 A V E +E 83 0C 13 -2,-0.4 2,-0.4 45,-0.2 45,-0.2 -0.989 1.4 174.4-138.8 121.7 3.7 -1.7 14.8 39 38 A D E -E 82 0C 6 43,-2.6 43,-2.6 -2,-0.4 2,-0.4 -0.966 27.0-136.2-126.1 144.6 5.1 -2.8 11.4 40 39 A L E -E 81 0C 0 7,-0.4 7,-3.1 -2,-0.4 2,-0.4 -0.846 28.6-153.8 -86.9 138.0 8.3 -2.7 9.6 41 40 A L E -EF 80 46C 8 39,-3.1 39,-2.0 -2,-0.4 2,-0.5 -0.928 15.3-165.9-116.8 137.5 7.9 -1.6 5.9 42 41 A K E > S-EF 79 45C 91 3,-2.5 3,-1.4 -2,-0.4 37,-0.2 -0.977 87.6 -18.1-119.2 114.7 10.1 -2.4 2.9 43 42 A N T 3 S- 0 0 81 35,-3.5 36,-0.1 -2,-0.5 -1,-0.1 0.893 130.3 -53.6 48.3 44.3 9.2 -0.1 -0.0 44 43 A G T 3 S+ 0 0 48 34,-0.3 2,-0.5 1,-0.2 -1,-0.2 0.365 114.9 113.4 82.5 -3.1 5.9 0.7 1.7 45 44 A E E < S-F 42 0C 145 -3,-1.4 -3,-2.5 1,-0.0 -1,-0.2 -0.867 73.6-104.4-105.2 135.0 4.8 -2.9 2.2 46 45 A R E -F 41 0C 109 -2,-0.5 2,-0.6 -5,-0.2 -5,-0.2 -0.213 27.8-130.3 -57.3 129.7 4.5 -4.6 5.6 47 46 A I - 0 0 36 -7,-3.1 -7,-0.4 1,-0.2 -1,-0.1 -0.764 17.6-166.8 -84.2 118.1 7.3 -7.1 6.5 48 47 A E S S+ 0 0 139 -2,-0.6 2,-1.0 1,-0.2 -1,-0.2 0.896 71.4 65.4 -75.6 -41.3 5.7 -10.3 7.7 49 48 A K + 0 0 162 2,-0.0 2,-0.5 20,-0.0 -1,-0.2 -0.736 54.3 155.8 -94.1 101.5 8.8 -11.9 9.2 50 49 A V - 0 0 25 -2,-1.0 19,-0.2 1,-0.1 18,-0.0 -0.945 24.4-163.1-127.0 107.3 10.0 -9.9 12.2 51 50 A E + 0 0 72 -2,-0.5 2,-0.4 1,-0.1 18,-0.2 0.734 67.7 45.7 -71.4 -23.2 12.0 -12.2 14.5 52 51 A H E +D 68 0B 71 16,-1.8 16,-1.9 2,-0.0 2,-0.2 -0.964 46.4 162.7-132.2 132.8 11.9 -10.2 17.6 53 52 A S E -D 67 0B 73 -2,-0.4 2,-0.6 14,-0.2 14,-0.2 -0.759 17.2-176.0-148.9 95.1 9.2 -8.2 19.4 54 53 A D E -D 66 0B 78 12,-3.1 12,-2.3 -2,-0.2 2,-0.4 -0.887 1.8-171.8-109.3 115.9 10.1 -7.4 23.0 55 54 A L E +D 65 0B 107 -2,-0.6 2,-0.3 10,-0.2 10,-0.2 -0.831 12.2 155.9-109.4 137.3 7.6 -5.6 25.3 56 55 A S E -D 64 0B 64 8,-2.3 8,-2.6 -2,-0.4 2,-0.3 -0.932 23.4-141.1-148.4 168.7 8.1 -4.2 28.8 57 56 A F E -D 63 0B 152 -2,-0.3 6,-0.2 6,-0.2 2,-0.2 -0.944 10.2-136.5-133.9 156.4 6.7 -1.7 31.1 58 57 A S > - 0 0 33 4,-2.5 3,-1.8 -2,-0.3 6,-0.0 -0.488 37.2 -95.0-101.6-180.0 8.0 0.9 33.6 59 58 A K T 3 S+ 0 0 213 1,-0.3 -1,-0.0 -2,-0.2 -2,-0.0 0.868 125.2 54.5 -65.6 -34.6 6.9 1.8 37.1 60 59 A D T 3 S- 0 0 92 1,-0.1 -1,-0.3 2,-0.1 0, 0.0 0.356 122.6-108.1 -86.0 10.1 4.8 4.7 35.8 61 60 A V < + 0 0 67 -3,-1.8 2,-0.3 1,-0.3 -2,-0.1 0.763 68.8 147.1 68.2 30.7 3.1 2.1 33.5 62 61 A S - 0 0 4 -30,-0.1 -4,-2.5 -28,-0.0 2,-0.3 -0.741 40.6-132.4 -84.1 148.9 4.6 3.3 30.2 63 62 A F E -CD 31 57B 35 -32,-2.4 -32,-1.7 -2,-0.3 -33,-0.7 -0.763 16.2-164.1-107.3 152.2 5.2 0.6 27.6 64 63 A Y E -CD 29 56B 61 -8,-2.6 -8,-2.3 -2,-0.3 2,-0.4 -0.997 4.7-172.5-138.0 130.5 8.3 -0.1 25.6 65 64 A L E -CD 28 55B 11 -37,-2.8 -37,-2.5 -2,-0.4 2,-0.5 -0.996 10.4-166.1-132.6 126.4 8.6 -2.2 22.5 66 65 A L E -CD 27 54B 40 -12,-2.3 -12,-3.1 -2,-0.4 2,-0.5 -0.981 13.6-177.7-109.9 122.4 11.7 -3.3 20.6 67 66 A Y E +CD 26 53B 24 -41,-2.5 -41,-2.2 -2,-0.5 2,-0.3 -0.971 17.7 149.1-126.3 111.9 10.7 -4.6 17.2 68 67 A Y E +CD 25 52B 44 -16,-1.9 -16,-1.8 -2,-0.5 2,-0.3 -0.994 19.0 174.3-153.4 151.4 13.6 -5.9 15.1 69 68 A T E -C 24 0B 6 -45,-2.0 -45,-2.8 -2,-0.3 2,-0.1 -0.992 39.9 -84.4-157.1 157.6 14.7 -8.3 12.5 70 69 A E E +C 23 0B 104 -2,-0.3 2,-0.3 -47,-0.2 -47,-0.3 -0.400 51.8 168.0 -63.7 136.5 17.6 -9.3 10.3 71 70 A F - 0 0 18 -49,-2.5 -49,-0.5 -2,-0.1 -1,-0.0 -0.977 34.7-147.0-146.8 160.7 17.9 -7.4 7.0 72 71 A T - 0 0 119 -2,-0.3 -2,-0.0 -51,-0.1 -49,-0.0 -0.811 28.9-158.9-127.1 91.4 20.2 -6.8 4.1 73 72 A P - 0 0 38 0, 0.0 2,-0.3 0, 0.0 5,-0.0 -0.328 9.5-170.4 -73.0 154.2 19.7 -3.3 2.8 74 73 A T > - 0 0 71 3,-0.1 3,-0.8 1,-0.0 -2,-0.0 -0.890 38.9-104.8-127.8 168.2 20.6 -2.0 -0.6 75 74 A E T 3 S+ 0 0 133 -2,-0.3 23,-0.1 1,-0.2 -1,-0.0 0.872 117.4 54.6 -61.4 -34.9 20.6 1.6 -1.9 76 75 A K T 3 S+ 0 0 189 2,-0.0 2,-0.3 -3,-0.0 -1,-0.2 0.738 92.6 85.4 -72.9 -25.8 17.4 1.1 -3.9 77 76 A D < - 0 0 38 -3,-0.8 2,-0.4 -35,-0.0 -3,-0.1 -0.575 61.7-155.2 -90.0 138.3 15.3 -0.2 -1.0 78 77 A E - 0 0 92 -2,-0.3 -35,-3.5 -5,-0.0 2,-0.3 -0.946 9.4-166.1-111.8 135.1 13.5 2.0 1.4 79 78 A Y E +E 42 0C 12 -2,-0.4 17,-2.8 17,-0.3 2,-0.3 -0.911 11.5 164.5-121.2 146.8 12.5 1.0 5.0 80 79 A A E -EG 41 95C 9 -39,-2.0 -39,-3.1 -2,-0.3 2,-0.4 -0.955 32.1-123.5-147.7 169.9 10.2 2.5 7.6 81 80 A a E -EG 40 94C 0 13,-2.5 13,-2.9 -2,-0.3 2,-0.5 -0.993 22.8-160.3-118.1 129.2 8.3 1.8 10.8 82 81 A R E -EG 39 93C 64 -43,-2.6 -43,-2.6 -2,-0.4 2,-0.4 -0.953 11.0-174.6-116.2 121.6 4.5 2.3 10.8 83 82 A V E -EG 38 92C 0 9,-2.6 9,-3.3 -2,-0.5 2,-0.4 -0.962 11.5-172.1-124.8 133.1 2.8 2.8 14.1 84 83 A N E +E 37 0C 43 -47,-2.6 -47,-2.0 -2,-0.4 2,-0.3 -0.993 19.5 152.8-122.9 134.6 -0.9 3.0 15.0 85 84 A H > - 0 0 13 -2,-0.4 3,-2.0 3,-0.3 -49,-0.1 -0.959 57.3-101.5-154.2 160.0 -2.1 4.0 18.5 86 85 A V T 3 S+ 0 0 97 -51,-0.4 -81,-0.1 -2,-0.3 -50,-0.1 0.794 119.9 59.0 -58.7 -29.3 -5.1 5.6 20.1 87 86 A T T 3 S+ 0 0 42 -83,-0.1 2,-0.5 -55,-0.1 -1,-0.3 0.494 95.0 76.3 -77.6 -6.0 -3.2 8.9 20.4 88 87 A L < - 0 0 28 -3,-2.0 -3,-0.3 1,-0.1 4,-0.1 -0.929 61.0-162.8-115.4 119.4 -2.6 9.0 16.6 89 88 A S S S+ 0 0 113 -2,-0.5 -1,-0.1 1,-0.1 -2,-0.0 0.817 85.8 23.6 -71.2 -28.6 -5.4 10.1 14.3 90 89 A Q S S- 0 0 132 -7,-0.1 -5,-0.1 -5,-0.0 -1,-0.1 -0.946 103.3 -84.6-127.3 152.9 -3.4 8.5 11.3 91 90 A P - 0 0 58 0, 0.0 2,-0.5 0, 0.0 -7,-0.2 -0.323 46.3-131.6 -49.8 136.5 -0.7 5.8 11.2 92 91 A K E -G 83 0C 86 -9,-3.3 -9,-2.6 -4,-0.1 2,-0.5 -0.864 20.0-162.7 -96.7 123.2 2.7 7.4 11.9 93 92 A I E -G 82 0C 102 -2,-0.5 2,-0.5 -11,-0.2 -11,-0.2 -0.952 5.9-172.4-112.6 124.1 5.4 6.4 9.5 94 93 A V E -G 81 0C 44 -13,-2.9 -13,-2.5 -2,-0.5 2,-0.1 -0.968 18.8-137.6-114.8 120.4 9.1 7.0 10.4 95 94 A K E -G 80 0C 164 -2,-0.5 2,-0.5 -15,-0.2 -15,-0.3 -0.452 16.6-116.8 -75.8 146.6 11.6 6.4 7.7 96 95 A W - 0 0 23 -17,-2.8 2,-0.6 -2,-0.1 -17,-0.3 -0.724 19.4-140.0 -78.1 131.3 14.9 4.7 8.3 97 96 A D > - 0 0 85 -2,-0.5 3,-2.5 -87,-0.4 -17,-0.0 -0.880 13.8-142.0 -91.6 119.1 17.9 6.9 7.7 98 97 A R T 3 S+ 0 0 147 -2,-0.6 -1,-0.1 1,-0.3 -87,-0.0 0.534 98.2 59.4 -68.7 -7.0 20.3 4.5 5.9 99 98 A D T 3 0 0 143 -88,-0.0 -1,-0.3 0, 0.0 -88,-0.0 0.507 360.0 360.0 -94.3 -7.3 23.2 6.0 7.8 100 99 A M < 0 0 105 -3,-2.5 -89,-0.1 -90,-0.1 -87,-0.0 -0.457 360.0 360.0-110.1 360.0 21.7 5.1 11.1