==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=8-DEC-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER VIRAL PROTEIN 30-DEC-02 1NIZ . COMPND 2 MOLECULE: EXTERIOR MEMBRANE GLYCOPROTEIN(GP120); . SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; . AUTHOR M.SHARON,N.KESSLER,R.LEVY,S.ZOLLA-PAZNER,M.GORLACH, . 14 1 0 0 0 TOTAL NUMBER OF RESIDUES, NUMBER OF CHAINS, NUMBER OF SS-BRIDGES(TOTAL,INTRACHAIN,INTERCHAIN) . 1594.0 ACCESSIBLE SURFACE OF PROTEIN (ANGSTROM**2) . 9 64.3 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 . 5 35.7 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 7.1 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 . 4 28.6 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+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 . 0 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 ANTIPARALLEL BRIDGES PER LADDER . 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 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 5 A K 0 0 168 0, 0.0 2,-0.3 0, 0.0 13,-0.2 0.000 360.0 360.0 360.0 162.3 6.2 -2.5 -3.7 2 6 A R E -A 13 0A 181 11,-2.8 11,-2.1 2,-0.0 2,-0.5 -0.867 360.0-175.1-154.2 115.3 2.5 -1.6 -3.5 3 7 A I E +A 12 0A 82 -2,-0.3 2,-0.4 9,-0.2 9,-0.2 -0.949 10.3 167.2-116.0 125.4 1.0 1.5 -2.0 4 8 A H E +A 11 0A 106 7,-1.2 7,-2.2 -2,-0.5 2,-0.4 -0.985 7.9 174.7-140.7 127.3 -2.8 2.0 -1.7 5 9 A I E +A 10 0A 127 -2,-0.4 5,-0.2 5,-0.2 -2,-0.0 -0.884 16.7 150.3-136.3 104.0 -4.7 4.6 0.3 6 10 A G - 0 0 41 3,-0.7 2,-3.0 -2,-0.4 3,-0.1 0.026 66.6 -27.5-107.3-144.6 -8.5 4.8 -0.0 7 11 A P S S- 0 0 112 0, 0.0 3,-0.1 0, 0.0 -1,-0.1 -0.341 130.8 -37.4 -71.6 65.0 -11.3 5.9 2.3 8 12 A G S S+ 0 0 75 -2,-3.0 2,-0.9 1,-0.1 -3,-0.0 0.739 102.5 138.4 87.3 25.1 -9.4 4.9 5.4 9 13 A R - 0 0 134 -3,-0.1 2,-2.1 2,-0.0 -3,-0.7 -0.700 38.6-162.3-105.3 79.3 -7.8 1.9 3.8 10 14 A A E +A 5 0A 96 -2,-0.9 -5,-0.2 1,-0.2 2,-0.0 -0.381 28.4 155.2 -62.9 82.4 -4.2 1.9 5.0 11 15 A F E +A 4 0A 131 -7,-2.2 -7,-1.2 -2,-2.1 2,-0.7 -0.284 14.4 144.8-106.5 46.0 -2.9 -0.4 2.3 12 16 A Y E +A 3 0A 150 -9,-0.2 2,-0.4 -11,-0.0 -9,-0.2 -0.770 14.6 159.9 -89.9 112.8 0.7 0.8 2.4 13 17 A T E A 2 0A 81 -11,-2.1 -11,-2.8 -2,-0.7 -2,-0.0 -0.938 360.0 360.0-138.8 113.9 3.2 -2.0 1.8 14 18 A T 0 0 110 -2,-0.4 -1,-0.1 -13,-0.2 -11,-0.1 0.870 360.0 360.0 -90.0 360.0 6.8 -1.5 0.7