==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=19-APR-2013 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER VIRAL PROTEIN 17-OCT-11 3U91 . COMPND 2 MOLECULE: GP41; . SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; . AUTHOR J.LIU,M.LU . 30 1 0 0 0 TOTAL NUMBER OF RESIDUES, NUMBER OF CHAINS, NUMBER OF SS-BRIDGES(TOTAL,INTRACHAIN,INTERCHAIN) . 3493.0 ACCESSIBLE SURFACE OF PROTEIN (ANGSTROM**2) . 26 86.7 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 . 1 3.3 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+2), SAME NUMBER PER 100 RESIDUES . 1 3.3 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+3), SAME NUMBER PER 100 RESIDUES . 23 76.7 TOTAL NUMBER OF HYDROGEN BONDS OF TYPE O(I)-->H-N(I+4), SAME NUMBER PER 100 RESIDUES . 1 3.3 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 1 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 4 A Q 0 0 219 0, 0.0 2,-1.0 0, 0.0 0, 0.0 0.000 360.0 360.0 360.0 -51.2 -12.4 7.8 -29.4 2 5 A H > + 0 0 112 1,-0.2 4,-2.0 2,-0.1 3,-0.4 -0.724 360.0 177.6-102.2 86.4 -16.1 7.5 -28.5 3 6 A L H > S+ 0 0 126 -2,-1.0 4,-2.3 1,-0.2 -1,-0.2 0.820 76.7 56.0 -63.3 -34.4 -16.6 10.4 -26.2 4 7 A L H > S+ 0 0 138 2,-0.2 4,-1.8 1,-0.2 -1,-0.2 0.895 108.2 49.3 -64.2 -40.1 -20.4 9.9 -25.7 5 8 A Q H > S+ 0 0 130 -3,-0.4 4,-2.1 2,-0.2 -2,-0.2 0.913 110.2 53.0 -59.7 -42.8 -19.7 6.3 -24.6 6 9 A L H X S+ 0 0 95 -4,-2.0 4,-2.6 1,-0.2 -2,-0.2 0.884 106.4 50.8 -63.9 -39.5 -17.1 7.7 -22.2 7 10 A T H X S+ 0 0 62 -4,-2.3 4,-2.5 2,-0.2 -1,-0.2 0.881 107.2 54.5 -67.0 -36.0 -19.6 10.1 -20.7 8 11 A V H X S+ 0 0 67 -4,-1.8 4,-2.1 2,-0.2 -2,-0.2 0.941 111.8 44.6 -58.4 -47.5 -22.1 7.3 -20.1 9 12 A W H X S+ 0 0 151 -4,-2.1 4,-2.2 2,-0.2 -2,-0.2 0.915 112.0 52.6 -62.9 -42.6 -19.4 5.4 -18.3 10 13 A G H X S+ 0 0 24 -4,-2.6 4,-2.4 2,-0.2 -2,-0.2 0.896 107.6 51.5 -61.1 -40.5 -18.4 8.5 -16.3 11 14 A I H X S+ 0 0 108 -4,-2.5 4,-2.6 1,-0.2 -1,-0.2 0.929 109.1 51.0 -63.4 -44.1 -22.0 9.1 -15.2 12 15 A K H X S+ 0 0 134 -4,-2.1 4,-2.0 2,-0.2 -2,-0.2 0.891 109.5 50.7 -58.7 -41.3 -22.2 5.5 -14.0 13 16 A Q H X S+ 0 0 98 -4,-2.2 4,-1.8 2,-0.2 -2,-0.2 0.921 111.9 46.6 -64.7 -43.9 -19.0 6.0 -12.0 14 17 A L H X S+ 0 0 94 -4,-2.4 4,-2.6 1,-0.2 -2,-0.2 0.887 108.5 56.1 -66.8 -36.8 -20.3 9.1 -10.4 15 18 A Q H X S+ 0 0 132 -4,-2.6 4,-2.6 1,-0.2 -1,-0.2 0.913 106.9 49.9 -58.9 -44.5 -23.6 7.4 -9.6 16 19 A A H X S+ 0 0 57 -4,-2.0 4,-2.2 2,-0.2 -1,-0.2 0.894 110.4 50.6 -63.5 -37.9 -21.7 4.7 -7.7 17 20 A R H X S+ 0 0 180 -4,-1.8 4,-1.6 2,-0.2 -2,-0.2 0.916 111.8 46.1 -67.9 -40.8 -19.9 7.4 -5.8 18 21 A I H X S+ 0 0 97 -4,-2.6 4,-2.7 2,-0.2 -2,-0.2 0.921 111.7 52.4 -66.1 -43.0 -23.1 9.2 -4.8 19 22 A L H X S+ 0 0 63 -4,-2.6 4,-2.7 1,-0.2 5,-0.2 0.898 106.5 53.4 -57.4 -42.5 -24.7 5.9 -3.9 20 23 A A H X S+ 0 0 57 -4,-2.2 4,-2.1 1,-0.2 -1,-0.2 0.884 110.3 48.0 -61.7 -37.5 -21.7 5.1 -1.6 21 24 A V H X S+ 0 0 88 -4,-1.6 4,-2.3 2,-0.2 -2,-0.2 0.927 110.6 50.0 -68.4 -44.6 -22.2 8.5 0.1 22 25 A E H X S+ 0 0 110 -4,-2.7 4,-1.9 1,-0.2 -2,-0.2 0.924 113.7 46.3 -57.1 -45.8 -26.0 7.9 0.6 23 26 A R H X S+ 0 0 148 -4,-2.7 4,-3.1 1,-0.2 -1,-0.2 0.867 108.8 55.3 -65.9 -36.8 -25.3 4.5 2.0 24 27 A Y H X S+ 0 0 154 -4,-2.1 4,-2.6 2,-0.2 -1,-0.2 0.916 107.2 49.8 -62.8 -44.2 -22.5 5.8 4.3 25 28 A L H <>S+ 0 0 78 -4,-2.3 5,-1.9 1,-0.2 4,-0.4 0.927 114.5 45.4 -60.4 -44.3 -24.9 8.4 5.8 26 29 A K H ><5S+ 0 0 169 -4,-1.9 3,-1.0 -5,-0.2 -2,-0.2 0.944 114.4 47.0 -61.7 -49.9 -27.5 5.6 6.4 27 30 A D H 3<5S+ 0 0 109 -4,-3.1 -2,-0.2 1,-0.3 -1,-0.2 0.830 113.6 47.1 -66.4 -34.3 -24.9 3.2 7.9 28 31 A Q T 3<5S- 0 0 125 -4,-2.6 -1,-0.3 -5,-0.2 -2,-0.2 0.450 110.9-126.2 -87.0 -1.0 -23.4 5.8 10.2 29 32 A Q T < 5 0 0 171 -3,-1.0 -3,-0.2 -4,-0.4 -4,-0.1 0.780 360.0 360.0 64.0 33.4 -26.9 6.8 11.2 30 33 A L < 0 0 197 -5,-1.9 -4,-0.1 -6,-0.2 -5,-0.1 0.923 360.0 360.0 -73.3 360.0 -26.7 10.6 10.5