==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=2-JAN-2010 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER CYTOKINE 28-JAN-09 2KEC . COMPND 2 MOLECULE: STROMAL CELL-DERIVED FACTOR 1-ALPHA; . SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; . AUTHOR B.F.VOLKMAN,C.T.VELDKAMP,F.C.PETERSON . 68 1 2 2 0 TOTAL NUMBER OF RESIDUES, NUMBER OF CHAINS, NUMBER OF SS-BRIDGES(TOTAL,INTRACHAIN,INTERCHAIN) . 5885.0 ACCESSIBLE SURFACE OF PROTEIN (ANGSTROM**2) . 40 58.8 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(J) , SAME NUMBER PER 100 RESIDUES . 2 2.9 TOTAL NUMBER OF HYDROGEN BONDS IN PARALLEL BRIDGES, SAME NUMBER PER 100 RESIDUES . 13 19.1 TOTAL NUMBER OF HYDROGEN BONDS IN ANTIPARALLEL BRIDGES, SAME NUMBER PER 100 RESIDUES . 1 1.5 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I-5), SAME NUMBER PER 100 RESIDUES . 1 1.5 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 . 11 16.2 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+2), SAME NUMBER PER 100 RESIDUES . 4 5.9 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+3), SAME NUMBER PER 100 RESIDUES . 10 14.7 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 RESIDUES PER ALPHA HELIX . 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 0 0 PARALLEL BRIDGES PER LADDER . 0 0 0 1 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 ANTIPARALLEL BRIDGES PER LADDER . 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 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 K 0 0 222 0, 0.0 2,-0.7 0, 0.0 0, 0.0 0.000 360.0 360.0 360.0 126.9 21.6 -25.0 10.0 2 2 A P + 0 0 131 0, 0.0 2,-0.5 0, 0.0 0, 0.0 -0.655 360.0 177.6 -74.7 110.1 22.9 -22.6 7.3 3 3 A V - 0 0 105 -2,-0.7 2,-0.8 2,-0.0 0, 0.0 -0.973 21.5-149.4-119.9 126.7 20.0 -20.2 6.8 4 4 A S - 0 0 118 -2,-0.5 2,-0.6 0, 0.0 0, 0.0 -0.861 10.8-161.2 -98.0 108.8 20.1 -17.3 4.4 5 5 A L - 0 0 150 -2,-0.8 -2,-0.0 3,-0.0 3,-0.0 -0.827 14.2-144.3 -90.3 121.4 17.9 -14.5 5.6 6 6 A S - 0 0 107 -2,-0.6 2,-1.2 1,-0.1 -1,-0.0 -0.209 36.5 -80.2 -76.2 169.2 17.2 -12.1 2.7 7 7 A Y - 0 0 173 26,-0.1 -1,-0.1 1,-0.1 -2,-0.0 -0.656 61.9-129.0 -73.4 100.2 16.9 -8.4 3.1 8 8 A R - 0 0 238 -2,-1.2 25,-0.2 1,-0.1 -1,-0.1 -0.205 21.7-155.3 -60.5 137.7 13.4 -8.4 4.4 9 9 A a - 0 0 49 1,-0.1 -1,-0.1 2,-0.1 -3,-0.0 -0.864 23.7-130.6-113.4 144.5 10.8 -6.2 2.8 10 10 A P S S+ 0 0 80 0, 0.0 2,-0.3 0, 0.0 -1,-0.1 0.790 98.5 40.1 -58.7 -29.1 7.6 -4.8 4.3 11 11 A b + 0 0 11 1,-0.1 24,-0.1 24,-0.1 3,-0.1 -0.909 50.0 177.8-124.9 150.7 5.8 -6.2 1.2 12 12 A R S S+ 0 0 233 -2,-0.3 2,-0.2 1,-0.3 -1,-0.1 0.664 79.4 20.9-110.8 -44.0 6.1 -9.3 -0.9 13 13 A F - 0 0 161 39,-0.0 2,-0.4 0, 0.0 -1,-0.3 -0.727 70.0-138.6-119.7 170.2 3.4 -8.6 -3.4 14 14 A F - 0 0 49 -2,-0.2 2,-0.3 -3,-0.1 37,-0.3 -1.000 23.0-116.4-134.1 134.7 1.6 -5.5 -4.6 15 15 A E B -a 51 0A 73 35,-3.5 37,-1.8 -2,-0.4 3,-0.2 -0.527 22.3-169.3 -70.9 130.1 -2.0 -5.2 -5.2 16 16 A S S S+ 0 0 86 -2,-0.3 2,-0.2 1,-0.2 -1,-0.1 0.149 76.5 46.2-110.2 15.0 -2.6 -4.4 -8.8 17 17 A H S S+ 0 0 180 38,-0.1 2,-0.4 2,-0.0 -1,-0.2 -0.667 70.3 153.8-158.4 91.7 -6.3 -3.5 -8.5 18 18 A V - 0 0 18 -2,-0.2 2,-0.5 -3,-0.2 39,-0.2 -0.962 36.1-132.4-126.3 144.1 -7.1 -1.2 -5.7 19 19 A A > - 0 0 55 -2,-0.4 3,-1.8 1,-0.1 4,-0.2 -0.854 4.2-149.2-100.6 127.4 -10.0 1.2 -5.3 20 20 A R G > S+ 0 0 124 -2,-0.5 3,-1.6 1,-0.3 -1,-0.1 0.857 101.6 61.1 -56.2 -35.4 -9.2 4.8 -4.1 21 21 A A G 3 S+ 0 0 74 1,-0.3 -1,-0.3 -3,-0.1 -2,-0.0 0.655 103.9 49.7 -67.4 -16.1 -12.6 4.7 -2.5 22 22 A N G < S+ 0 0 33 -3,-1.8 21,-2.0 21,-0.1 2,-0.6 0.286 88.2 105.9-106.1 8.3 -11.5 1.8 -0.4 23 23 A V E < -B 42 0A 11 -3,-1.6 19,-0.3 19,-0.2 3,-0.1 -0.809 41.0-179.5 -98.2 122.2 -8.3 3.4 0.8 24 24 A K E S+ 0 0 130 17,-3.8 2,-0.4 -2,-0.6 -1,-0.2 0.957 72.6 0.8 -71.7 -62.7 -8.0 4.7 4.4 25 25 A H E - 0 0 83 16,-0.5 16,-1.4 2,-0.0 2,-0.5 -0.991 62.4-140.1-139.8 140.6 -4.5 6.0 4.2 26 26 A L E +B 40 0A 37 -2,-0.4 2,-0.4 14,-0.2 14,-0.2 -0.862 25.7 167.3-100.4 131.5 -1.8 6.3 1.7 27 27 A K E -B 39 0A 93 12,-2.7 12,-3.5 -2,-0.5 2,-0.6 -0.961 18.0-159.1-144.0 123.3 1.8 5.7 2.7 28 28 A I E -B 38 0A 63 -2,-0.4 2,-0.6 10,-0.2 10,-0.2 -0.925 9.5-165.9-110.4 122.5 4.7 5.1 0.3 29 29 A L E -B 37 0A 71 8,-3.2 8,-2.1 -2,-0.6 2,-0.4 -0.903 5.8-163.5-114.8 108.3 7.6 3.4 1.7 30 30 A N E -B 36 0A 123 -2,-0.6 6,-0.2 6,-0.2 5,-0.1 -0.749 13.6-159.0 -87.2 133.1 11.0 3.4 -0.1 31 31 A T > - 0 0 26 4,-0.6 3,-2.2 -2,-0.4 -2,-0.0 -0.972 17.9-138.5-123.4 125.5 13.2 0.7 1.2 32 32 A P T 3 S+ 0 0 121 0, 0.0 -1,-0.1 0, 0.0 4,-0.1 0.761 106.3 28.3 -53.0 -33.2 17.1 0.8 0.8 33 33 A N T 3 S+ 0 0 100 -25,-0.2 2,-0.3 2,-0.1 -26,-0.1 0.154 122.1 56.5-114.9 17.7 17.3 -3.0 0.0 34 34 A a S < S- 0 0 38 -3,-2.2 -3,-0.3 1,-0.1 -26,-0.1 -0.799 87.4 -86.5-138.9 176.6 13.9 -3.4 -1.5 35 35 A A - 0 0 56 -2,-0.3 2,-0.9 -24,-0.1 -4,-0.6 -0.183 61.7 -74.9 -74.8 176.4 11.7 -2.0 -4.2 36 36 A L E -B 30 0A 63 -6,-0.2 2,-0.5 -4,-0.1 -6,-0.2 -0.684 55.7-162.2 -79.4 109.3 9.4 1.0 -3.9 37 37 A Q E -B 29 0A 0 -8,-2.1 -8,-3.2 -2,-0.9 2,-0.4 -0.840 8.7-159.2 -99.9 126.2 6.6 -0.3 -1.8 38 38 A I E -BC 28 51A 0 13,-1.2 13,-2.9 -2,-0.5 2,-0.4 -0.859 11.2-161.9-100.4 137.3 3.3 1.6 -1.6 39 39 A V E +BC 27 50A 11 -12,-3.5 -12,-2.7 -2,-0.4 2,-0.3 -0.974 14.7 166.8-124.2 134.5 1.2 0.9 1.3 40 40 A A E -BC 26 49A 0 9,-1.6 9,-3.2 -2,-0.4 2,-0.5 -0.994 25.8-137.2-143.9 144.6 -2.5 1.6 1.7 41 41 A R E - C 0 48A 97 -16,-1.4 -17,-3.8 -2,-0.3 -16,-0.5 -0.895 22.8-128.2-105.9 136.8 -5.0 0.4 4.2 42 42 A L E -B 23 0A 20 5,-2.9 -19,-0.2 -2,-0.5 -20,-0.1 -0.460 6.8-150.8 -80.7 153.1 -8.4 -0.6 3.0 43 43 A K S S+ 0 0 95 -21,-2.0 -1,-0.1 -2,-0.1 -20,-0.1 0.923 94.9 32.2 -86.2 -56.6 -11.5 0.9 4.5 44 44 A N S S+ 0 0 149 1,-0.2 -21,-0.1 -22,-0.1 -22,-0.0 0.843 133.5 33.1 -74.1 -34.5 -14.0 -1.9 4.1 45 45 A N S S- 0 0 70 -23,-0.2 -1,-0.2 2,-0.1 -2,-0.1 0.776 90.9-155.7 -89.3 -30.6 -11.4 -4.6 4.5 46 46 A N + 0 0 79 1,-0.3 2,-0.3 -24,-0.2 -3,-0.1 0.559 48.8 129.4 66.1 12.2 -9.3 -2.5 7.0 47 47 A R - 0 0 173 -6,-0.0 -5,-2.9 1,-0.0 2,-0.7 -0.737 63.9-120.3 -98.8 145.3 -6.3 -4.4 6.0 48 48 A Q E + C 0 41A 100 -2,-0.3 -7,-0.3 -7,-0.3 2,-0.1 -0.764 39.9 177.3 -89.6 117.7 -3.1 -2.8 5.1 49 49 A V E - C 0 40A 20 -9,-3.2 -9,-1.6 -2,-0.7 2,-0.4 -0.412 26.8-112.6-109.6-176.3 -2.1 -3.9 1.6 50 50 A b E - C 0 39A 18 -11,-0.2 -35,-3.5 -2,-0.1 2,-0.4 -0.933 26.1-148.9-121.2 146.6 0.6 -3.0 -0.8 51 51 A I E -aC 15 38A 0 -13,-2.9 -13,-1.2 -2,-0.4 -35,-0.2 -0.920 12.6-125.6-122.7 143.1 0.2 -1.2 -4.0 52 52 A D > - 0 0 49 -37,-1.8 3,-1.5 -2,-0.4 6,-0.1 -0.721 19.0-134.2 -84.2 132.3 2.0 -1.3 -7.2 53 53 A P T 3 S+ 0 0 30 0, 0.0 9,-0.1 0, 0.0 -1,-0.1 0.679 98.3 67.2 -58.8 -18.8 3.4 2.1 -8.4 54 54 A K T 3 + 0 0 148 4,-0.1 2,-0.2 5,-0.1 -38,-0.0 0.240 68.9 122.3 -96.5 18.2 2.1 1.5 -12.0 55 55 A L <> - 0 0 25 -3,-1.5 4,-2.7 1,-0.1 5,-0.2 -0.490 69.9-123.1 -72.0 149.5 -1.6 1.6 -11.1 56 56 A K H > S+ 0 0 180 1,-0.2 4,-1.8 2,-0.2 5,-0.1 0.929 111.6 41.4 -65.7 -46.8 -3.5 4.3 -13.0 57 57 A W H > S+ 0 0 51 1,-0.2 4,-2.4 2,-0.2 -1,-0.2 0.746 113.3 57.9 -73.1 -19.7 -4.8 6.2 -10.0 58 58 A I H > S+ 0 0 0 2,-0.2 4,-3.2 1,-0.2 5,-0.3 0.914 102.8 50.2 -74.9 -43.3 -1.4 5.7 -8.4 59 59 A Q H X S+ 0 0 83 -4,-2.7 4,-2.4 1,-0.2 -2,-0.2 0.920 114.4 46.5 -58.6 -41.7 0.4 7.5 -11.3 60 60 A E H X S+ 0 0 111 -4,-1.8 4,-3.2 2,-0.2 5,-0.3 0.929 111.3 52.7 -62.7 -45.3 -2.2 10.2 -10.8 61 61 A Y H X S+ 0 0 49 -4,-2.4 4,-1.9 2,-0.2 -2,-0.2 0.927 112.0 43.6 -57.2 -50.3 -1.6 10.1 -7.1 62 62 A L H X S+ 0 0 48 -4,-3.2 4,-2.2 2,-0.2 5,-0.2 0.934 115.7 49.0 -63.1 -44.6 2.2 10.5 -7.4 63 63 A E H X S+ 0 0 123 -4,-2.4 4,-2.1 -5,-0.3 -2,-0.2 0.940 115.9 40.8 -60.7 -50.0 1.9 13.2 -10.0 64 64 A K H X S+ 0 0 109 -4,-3.2 4,-2.9 1,-0.2 -1,-0.2 0.740 112.6 56.2 -75.2 -21.1 -0.7 15.3 -8.1 65 65 A A H < S+ 0 0 58 -4,-1.9 -1,-0.2 -5,-0.3 -2,-0.2 0.862 113.2 40.6 -74.2 -36.8 1.2 14.7 -4.8 66 66 A L H < S+ 0 0 155 -4,-2.2 -2,-0.2 -5,-0.2 -1,-0.2 0.799 123.1 42.1 -77.8 -31.0 4.3 16.1 -6.3 67 67 A N H < 0 0 123 -4,-2.1 -2,-0.2 -5,-0.2 -3,-0.2 0.965 360.0 360.0 -76.9 -56.6 2.3 18.8 -8.1 68 68 A K < 0 0 226 -4,-2.9 -1,-0.2 -5,-0.1 -2,-0.1 -0.587 360.0 360.0 67.4 360.0 -0.1 19.7 -5.2