==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=13-FEB-2011 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER IMMUNE SYSTEM 12-JUL-10 2XKS . COMPND 2 MOLECULE: BETA-2-MICROGLOBULIN; . SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; . AUTHOR T.EICHNER,A.P.KALVERDA,G.S.THOMPSON,S.E.RADFORD,S.W.HOMANS . 98 1 1 1 0 TOTAL NUMBER OF RESIDUES, NUMBER OF CHAINS, NUMBER OF SS-BRIDGES(TOTAL,INTRACHAIN,INTERCHAIN) . 6930.0 ACCESSIBLE SURFACE OF PROTEIN (ANGSTROM**2) . 40 40.8 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 . 30 30.6 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 1.0 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 . 5 5.1 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+2), SAME NUMBER PER 100 RESIDUES . 3 3.1 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+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 2 1 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 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 1 A I 0 0 212 0, 0.0 2,-0.3 0, 0.0 85,-0.0 0.000 360.0 360.0 360.0-174.1 -22.2 -8.0 -4.3 2 2 A Q - 0 0 82 84,-0.0 2,-0.4 83,-0.0 28,-0.0 -0.955 360.0 -99.0-179.4 178.4 -19.1 -5.9 -3.9 3 3 A R - 0 0 139 -2,-0.3 28,-0.4 28,-0.2 83,-0.2 -0.974 31.8-115.7-127.9 139.3 -16.1 -4.4 -5.8 4 4 A T - 0 0 92 -2,-0.4 2,-0.2 26,-0.1 24,-0.1 -0.595 28.8-132.9 -78.4 117.2 -12.6 -5.6 -6.0 5 5 A P - 0 0 2 0, 0.0 2,-0.3 0, 0.0 24,-0.2 -0.505 22.2-143.3 -70.3 133.4 -10.0 -3.3 -4.4 6 6 A K E -A 28 0A 146 22,-1.5 22,-0.9 -2,-0.2 2,-0.4 -0.697 8.9-123.6-104.4 153.8 -7.0 -2.6 -6.6 7 7 A I E +A 27 0A 20 -2,-0.3 2,-0.4 20,-0.2 20,-0.2 -0.793 23.6 177.7-103.8 130.3 -3.5 -2.2 -5.5 8 8 A Q E +A 26 0A 44 18,-0.7 18,-1.9 -2,-0.4 2,-0.4 -1.000 5.9 176.1-122.2 134.6 -1.1 0.7 -6.1 9 9 A V E +A 25 0A 20 -2,-0.4 87,-0.4 16,-0.2 2,-0.3 -0.978 19.3 129.6-136.7 120.4 2.3 0.7 -4.7 10 10 A Y E -A 24 0A 111 14,-1.9 14,-1.5 -2,-0.4 2,-0.4 -0.978 57.9 -87.2-161.9 166.4 4.9 3.4 -5.4 11 11 A S E -A 23 0A 18 -2,-0.3 12,-0.2 85,-0.3 4,-0.1 -0.697 28.9-138.8 -86.2 130.9 7.3 5.8 -3.8 12 12 A R S S+ 0 0 122 10,-2.4 -1,-0.1 -2,-0.4 11,-0.1 0.844 90.1 13.9 -59.3 -35.6 5.8 9.1 -2.8 13 13 A H S S- 0 0 116 9,-0.5 9,-0.1 1,-0.1 -2,-0.0 -0.743 117.8 -47.8-127.7 177.3 8.9 10.9 -4.0 14 14 A P - 0 0 114 0, 0.0 2,-0.4 0, 0.0 -1,-0.1 -0.198 62.6-123.6 -50.7 134.0 11.9 9.7 -6.2 15 15 A A - 0 0 35 -4,-0.1 2,-0.4 6,-0.1 5,-0.1 -0.678 29.9-175.1 -87.5 130.2 13.2 6.4 -5.0 16 16 A E > - 0 0 106 -2,-0.4 3,-1.2 3,-0.2 2,-0.4 -0.987 22.4-131.4-130.9 125.1 16.9 6.2 -4.0 17 17 A N T 3 S+ 0 0 68 -2,-0.4 56,-0.3 1,-0.3 3,-0.1 -0.606 97.9 20.2 -77.7 125.3 18.8 3.1 -3.0 18 18 A G T 3 S+ 0 0 54 54,-3.6 2,-0.3 -2,-0.4 -1,-0.3 0.672 113.1 98.5 87.7 22.3 20.8 3.7 0.2 19 19 A K S < S- 0 0 124 -3,-1.2 -1,-0.4 53,-0.6 2,-0.4 -0.946 79.9-102.2-141.2 154.1 18.6 6.6 1.0 20 20 A S + 0 0 79 -2,-0.3 2,-0.2 51,-0.2 51,-0.2 -0.658 48.5 162.6 -82.7 134.5 15.6 7.4 3.1 21 21 A N E -C 70 0B 11 49,-3.0 49,-1.8 -2,-0.4 2,-0.5 -0.810 35.8-112.2-141.9 177.0 12.2 7.5 1.3 22 22 A F E -C 69 0B 82 -2,-0.2 -10,-2.4 47,-0.2 -9,-0.5 -0.979 25.2-147.4-123.8 124.9 8.5 7.4 1.9 23 23 A L E -A 11 0A 3 45,-2.5 2,-0.4 -2,-0.5 45,-0.2 -0.483 8.9-161.2 -85.5 156.9 6.3 4.5 0.7 24 24 A N E -A 10 0A 14 -14,-1.5 -14,-1.9 -2,-0.2 2,-0.5 -0.965 8.6-175.9-142.6 126.5 2.7 4.9 -0.4 25 25 A a E -AB 9 66A 0 41,-1.1 41,-1.6 -2,-0.4 2,-0.6 -0.983 6.5-170.4-122.7 120.2 0.1 2.2 -0.7 26 26 A Y E +AB 8 65A 87 -18,-1.9 -18,-0.7 -2,-0.5 2,-0.7 -0.900 7.3 176.3-118.9 102.4 -3.3 3.2 -2.1 27 27 A V E +AB 7 64A 0 37,-1.1 37,-0.6 -2,-0.6 2,-0.3 -0.923 21.9 142.5-107.6 111.8 -6.0 0.6 -1.9 28 28 A S E +A 6 0A 25 -22,-0.9 -22,-1.5 -2,-0.7 35,-0.1 -0.973 26.7 77.1-148.0 161.0 -9.3 2.0 -3.2 29 29 A G S S+ 0 0 9 -2,-0.3 2,-0.3 33,-0.3 -1,-0.1 0.771 77.6 85.8 95.6 83.9 -12.3 0.8 -5.1 30 30 A F - 0 0 6 -25,-0.1 32,-0.3 -26,-0.1 -1,-0.2 -0.959 63.4 -79.4 175.2 178.0 -14.3 -1.3 -2.6 31 31 A H S S+ 0 0 97 -28,-0.4 -28,-0.2 -2,-0.3 2,-0.2 -0.903 75.3 33.9-163.7 148.2 -16.8 -1.3 0.2 32 32 A P S S- 0 0 58 0, 0.0 30,-0.1 0, 0.0 -30,-0.0 0.400 88.5 -93.5 -81.9-152.6 -17.4 -0.8 3.1 33 33 A S S S+ 0 0 62 -2,-0.2 2,-0.4 28,-0.0 -2,-0.0 0.578 105.6 76.7 -54.7 -10.6 -15.5 2.1 4.7 34 34 A D + 0 0 110 2,-0.0 2,-0.3 30,-0.0 -3,-0.1 -0.901 44.7 154.1-120.6 133.2 -12.9 -0.5 5.8 35 35 A I - 0 0 10 -2,-0.4 2,-0.5 -5,-0.1 49,-0.1 -0.963 31.7-135.4-140.5 154.0 -10.2 -2.4 4.1 36 36 A E E +D 83 0C 108 47,-1.2 47,-2.8 -2,-0.3 2,-0.4 -0.953 27.3 170.6-118.2 122.0 -7.1 -3.9 5.7 37 37 A V E -D 82 0C 3 -2,-0.5 2,-0.3 45,-0.2 45,-0.2 -0.989 9.1-170.6-134.5 137.8 -3.7 -3.5 4.0 38 38 A D E -D 81 0C 21 43,-2.7 43,-3.8 -2,-0.4 2,-0.4 -0.903 20.2-125.9-127.1 152.2 -0.2 -4.2 5.2 39 39 A L E -D 80 0C 0 7,-0.3 7,-2.8 -2,-0.3 41,-0.3 -0.844 29.9-163.3-103.7 137.6 3.2 -3.5 3.8 40 40 A L E -DE 79 45C 0 39,-3.8 39,-1.5 -2,-0.4 2,-0.3 -0.500 20.2-142.2-113.7 178.5 5.7 -6.3 3.4 41 41 A K E > S- E 0 44C 68 3,-1.4 3,-1.8 37,-0.3 37,-0.3 -0.835 85.2 -37.5-147.2 99.0 9.4 -6.9 2.8 42 42 A N T 3 S- 0 0 93 35,-0.3 36,-0.1 -2,-0.3 3,-0.1 0.224 133.0 -35.2 66.4 -16.3 10.3 -9.8 0.4 43 43 A G T 3 S+ 0 0 24 1,-0.4 2,-0.3 34,-0.2 -1,-0.3 0.231 118.0 101.7 157.1 -9.9 7.2 -11.5 2.0 44 44 A E E < S-E 41 0C 138 -3,-1.8 -3,-1.4 1,-0.1 -1,-0.4 -0.739 72.8 -98.7-111.5 149.3 7.2 -10.4 5.6 45 45 A R E -E 40 0C 181 -2,-0.3 2,-0.4 -5,-0.2 -5,-0.2 -0.277 26.7-138.2 -69.6 142.5 5.2 -7.8 7.5 46 46 A I - 0 0 9 -7,-2.8 -7,-0.3 1,-0.1 3,-0.1 -0.819 11.6-168.8 -96.1 139.2 6.4 -4.3 8.3 47 47 A E S S+ 0 0 139 -2,-0.4 -1,-0.1 1,-0.1 -7,-0.0 0.803 79.1 66.7 -98.7 -36.1 5.7 -3.0 11.7 48 48 A K S S+ 0 0 159 21,-0.1 21,-0.3 2,-0.1 2,-0.1 0.428 74.6 125.6 -65.0 1.0 6.7 0.7 11.3 49 49 A V - 0 0 24 19,-0.1 2,-0.4 -10,-0.1 19,-0.2 -0.433 41.3-172.3 -61.6 133.1 3.8 1.0 8.9 50 50 A E B -G 67 0D 128 17,-3.1 17,-2.3 -2,-0.1 2,-0.5 -0.984 16.7-145.7-132.2 142.8 1.4 3.8 9.8 51 51 A H - 0 0 116 -2,-0.4 15,-0.2 15,-0.2 3,-0.1 -0.919 17.7-143.9-107.9 129.9 -2.0 4.8 8.5 52 52 A S - 0 0 44 -2,-0.5 13,-0.3 13,-0.5 -1,-0.0 -0.213 51.9 -45.7 -81.6 178.5 -2.9 8.5 8.4 53 53 A D - 0 0 154 11,-0.1 -1,-0.2 -2,-0.0 12,-0.1 -0.264 68.2-115.6 -51.6 123.5 -6.4 10.0 9.0 54 54 A L - 0 0 72 -3,-0.1 11,-0.3 1,-0.1 2,-0.3 0.775 46.3-114.1 -30.6 -94.4 -8.8 7.8 7.0 55 55 A S - 0 0 47 9,-0.1 2,-0.3 7,-0.0 -1,-0.1 -0.949 8.3-122.4 171.4 176.3 -10.3 10.1 4.3 56 56 A F - 0 0 182 -2,-0.3 2,-0.5 0, 0.0 6,-0.0 -0.842 22.2-173.4-147.0 112.0 -13.5 11.8 3.0 57 57 A S - 0 0 12 -2,-0.3 5,-0.1 1,-0.1 -2,-0.0 -0.910 15.5-156.2-107.4 129.5 -14.7 11.1 -0.5 58 58 A K S S- 0 0 175 -2,-0.5 -1,-0.1 3,-0.1 4,-0.1 0.885 86.7 -20.9 -68.1 -40.6 -17.7 13.1 -1.8 59 59 A D S S+ 0 0 108 2,-0.1 3,-0.1 0, 0.0 -2,-0.1 0.579 118.1 74.9-135.9 -46.7 -18.7 10.5 -4.4 60 60 A W S S- 0 0 174 1,-0.2 -3,-0.1 -31,-0.0 3,-0.1 0.069 96.5 -53.0 -73.4-178.1 -15.9 8.1 -5.3 61 61 A S - 0 0 15 1,-0.1 2,-0.3 -3,-0.0 -1,-0.2 -0.221 61.1-107.0 -56.1 141.2 -14.5 5.3 -3.3 62 62 A F - 0 0 85 -32,-0.3 -33,-0.3 -3,-0.1 2,-0.3 -0.585 40.2-135.7 -71.1 129.2 -13.4 6.1 0.3 63 63 A Y - 0 0 64 -2,-0.3 2,-0.4 -35,-0.1 -35,-0.1 -0.624 20.1-170.6 -94.9 146.8 -9.6 6.1 0.4 64 64 A L E -B 27 0A 14 -37,-0.6 -37,-1.1 -2,-0.3 2,-0.4 -0.993 11.6-149.9-136.5 131.4 -7.4 4.6 3.0 65 65 A L E -B 26 0A 40 -2,-0.4 -13,-0.5 -11,-0.3 2,-0.4 -0.846 13.9-178.6-110.3 132.2 -3.6 5.2 3.1 66 66 A Y E +B 25 0A 25 -41,-1.6 -41,-1.1 -2,-0.4 2,-0.3 -0.976 20.4 157.0-127.5 117.5 -0.9 2.8 4.4 67 67 A Y B -G 50 0D 72 -17,-2.3 -17,-3.1 -2,-0.4 2,-0.3 -0.889 19.3-168.0-136.3 165.2 2.7 4.1 4.4 68 68 A T - 0 0 3 -2,-0.3 -45,-2.5 -19,-0.2 2,-0.5 -0.990 27.4-116.9-152.4 149.9 6.1 3.6 6.0 69 69 A E E +C 22 0B 136 -21,-0.3 2,-0.3 -2,-0.3 -47,-0.2 -0.793 48.4 162.6 -87.2 127.7 9.4 5.3 6.2 70 70 A F E -C 21 0B 11 -49,-1.8 -49,-3.0 -2,-0.5 -2,-0.0 -0.928 43.5-131.0-144.2 162.1 12.1 3.0 4.7 71 71 A T - 0 0 67 -2,-0.3 -51,-0.2 -51,-0.2 -54,-0.1 -0.816 35.0-144.5-118.2 87.2 15.6 3.0 3.3 72 72 A P - 0 0 7 0, 0.0 -54,-3.6 0, 0.0 -53,-0.6 -0.107 20.6-176.1 -50.4 145.4 15.5 1.2 -0.1 73 73 A T - 0 0 57 -56,-0.3 -56,-0.0 -55,-0.1 -2,-0.0 -0.883 37.9-115.7-138.1 167.1 18.4 -1.0 -1.1 74 74 A E S S+ 0 0 137 -2,-0.3 -1,-0.1 1,-0.2 -57,-0.0 0.874 115.0 44.2 -68.8 -39.4 19.3 -3.1 -4.2 75 75 A K S S+ 0 0 199 -3,-0.0 -1,-0.2 2,-0.0 2,-0.1 0.797 107.1 62.2 -80.2 -32.9 19.2 -6.3 -2.2 76 76 A D - 0 0 70 -35,-0.0 2,-0.3 -34,-0.0 -3,-0.1 -0.327 61.9-161.9 -94.8 179.2 16.0 -5.8 -0.2 77 77 A E - 0 0 43 -2,-0.1 2,-0.3 -5,-0.1 -35,-0.3 -0.985 5.5-152.8-160.7 144.0 12.4 -5.5 -1.4 78 78 A Y - 0 0 23 17,-0.3 17,-3.6 -2,-0.3 -37,-0.3 -0.931 14.3-171.3-126.7 152.3 9.1 -4.2 0.0 79 79 A A E -DF 40 94C 3 -39,-1.5 -39,-3.8 -2,-0.3 2,-0.4 -0.831 19.3-126.5-137.3 165.6 5.5 -5.2 -0.9 80 80 A a E -DF 39 93C 0 13,-2.9 13,-2.5 -41,-0.3 2,-0.4 -0.982 20.0-169.1-117.2 134.3 1.9 -4.3 -0.3 81 81 A R E -DF 38 92C 80 -43,-3.8 -43,-2.7 -2,-0.4 2,-0.4 -0.982 3.4-173.9-119.9 132.9 -0.8 -6.8 0.9 82 82 A V E -DF 37 91C 0 9,-2.0 9,-1.9 -2,-0.4 2,-0.5 -0.984 8.6-157.4-127.7 140.1 -4.5 -6.1 0.9 83 83 A N E +D 36 0C 66 -47,-2.8 -47,-1.2 -2,-0.4 2,-0.3 -0.965 26.1 147.0-115.6 123.2 -7.2 -8.3 2.4 84 84 A H > - 0 0 26 -2,-0.5 3,-0.6 3,-0.3 -49,-0.1 -0.980 55.4-114.4-150.1 157.0 -10.8 -8.0 1.2 85 85 A V T 3 S+ 0 0 126 -2,-0.3 -81,-0.1 1,-0.2 -83,-0.0 0.692 113.1 60.2 -65.2 -20.0 -13.7 -10.4 0.7 86 86 A T T 3 S+ 0 0 38 -83,-0.2 2,-0.6 2,-0.0 -1,-0.2 0.870 88.3 76.8 -76.4 -39.3 -13.6 -9.9 -3.0 87 87 A L S < S- 0 0 23 -3,-0.6 -3,-0.3 1,-0.2 -1,-0.0 -0.652 71.5-151.4 -78.3 117.1 -10.1 -11.1 -3.5 88 88 A S S S+ 0 0 111 -2,-0.6 -1,-0.2 1,-0.2 -2,-0.0 0.814 92.2 21.4 -58.4 -29.1 -10.1 -14.9 -3.3 89 89 A Q S S- 0 0 140 -3,-0.0 -1,-0.2 0, 0.0 -3,-0.0 -0.995 105.0 -94.6-136.0 133.2 -6.6 -14.5 -2.0 90 90 A P - 0 0 61 0, 0.0 2,-0.5 0, 0.0 -7,-0.2 -0.185 49.0-113.8 -44.3 138.3 -5.2 -11.3 -0.4 91 91 A K E -F 82 0C 86 -9,-1.9 -9,-2.0 2,-0.0 2,-0.5 -0.665 29.8-167.9 -92.3 124.8 -3.4 -9.3 -3.0 92 92 A I E +F 81 0C 85 -2,-0.5 2,-0.4 -11,-0.2 -11,-0.2 -0.944 6.8 178.3-110.4 128.2 0.3 -8.8 -2.8 93 93 A V E -F 80 0C 49 -13,-2.5 -13,-2.9 -2,-0.5 2,-0.2 -0.994 23.3-135.1-128.2 125.6 2.0 -6.3 -5.0 94 94 A K E -F 79 0C 96 -2,-0.4 -15,-0.3 -15,-0.3 2,-0.2 -0.527 24.4-115.0 -80.6 143.8 5.8 -5.7 -4.8 95 95 A W + 0 0 21 -17,-3.6 -17,-0.3 -2,-0.2 2,-0.3 -0.560 46.5 154.6 -78.1 140.2 7.1 -2.2 -4.7 96 96 A D - 0 0 72 -87,-0.4 -85,-0.3 -2,-0.2 -87,-0.1 -0.979 41.6-150.7-158.6 171.3 9.2 -1.0 -7.5 97 97 A R 0 0 162 -2,-0.3 -1,-0.1 -87,-0.1 -82,-0.0 0.610 360.0 360.0-115.2 -26.0 10.3 2.0 -9.4 98 98 A D 0 0 160 0, 0.0 -2,-0.0 0, 0.0 0, 0.0 0.377 360.0 360.0-132.2 360.0 11.0 0.6 -12.9