*HEADER OCTREOTIDE 26-NOV-96 1SOC *TITLE NMR STUDY OF THE BACKBONE CONFORMATIONAL EQUILIBRIA OF *TITLE 2 SANDOSTATIN, MINIMIZED AVERAGE BETA-SHEET STRUCTURE *COMPND MOL_ID: 1; *COMPND 2 MOLECULE: SANDOSTATIN; *COMPND 3 CHAIN: NULL; *COMPND 4 SYNONYM: OCTREOTIDE; *COMPND 5 ENGINEERED: YES *SOURCE MOL_ID: 1; *SOURCE 2 SYNTHETIC: YES; *SOURCE 3 OTHER_DETAILS: DONATED BY SANDOZ. IT INCLUDES THE ACTIVE *SOURCE 4 SEQUENCE OF SOMATOSTATIN PHE-TRP-LYS-THR *KEYWDS OCTREOTIDE, SANDOSTATIN *EXPDTA NMR, MINIMIZED AVERAGE STRUCTURE *AUTHOR G.MELACINI,Q.ZHU,M.GOODMAN *REVDAT 1 21-APR-97 1SOC 0 !BIOSYM restraint 1 ! #remote_prochiral_center ! #chiral 1:PHE_1:CA R 1:CYS_2:CA R 1:PHE_3:CA S 1:TRP_4:CA R 1:LYS_5:CA S 1:THR_6:CA S 1:THR_6:CB R 1:CYS_7:CA R 1:THR_8:CA R 1:THR_8:CB R ! #NOE_distance 1:CYS_2:HA 1:PHE_3:HN 1.741 2.741 2.241 15.00 15.00 100.000 0.00 1:PHE_3:HN 1:PHE_3:HA 2.252 3.252 2.752 15.00 15.00 100.000 0.00 1:TRP_4:HN 1:PHE_3:HA 1.435 2.435 1.935 15.00 15.00 100.000 0.00 1:TRP_4:HN 1:TRP_4:HA 2.043 3.043 2.543 15.00 15.00 100.000 0.00 1:LYS_5:HN 1:TRP_4:HA 1.518 2.518 2.018 15.00 15.00 100.000 0.00 1:LYS_5:HN 1:LYS_5:HA 2.111 3.111 2.611 15.00 15.00 100.000 0.00 1:LYS_5:HN 1:THR_6:HN 2.077 3.077 2.577 15.00 15.00 100.000 0.00 1:THR_6:HN 1:THR_6:HA 2.109 3.109 2.609 15.00 15.00 100.000 0.00 1:CYS_7:HN 1:THR_6:HA 1.611 2.611 2.111 15.00 15.00 100.000 0.00 1:CYS_7:HN 1:THR_6:HN 2.900 3.900 3.400 15.00 15.00 100.000 0.00 1:CYS_7:HN 1:CYS_7:HA 2.276 3.276 2.776 15.00 15.00 100.000 0.00 1:CYS_7:HN 1:THR_8:HN 2.593 3.593 3.093 15.00 15.00 100.000 0.00 1:THR_8:HN 1:CYS_7:HA 1.685 2.685 2.185 15.00 15.00 100.000 0.00 1:THR_8:HN 1:THR_8:HA 2.480 3.480 2.980 15.00 15.00 100.000 0.00 Entry H atom name Submitted Coord H atom name 1 1HN DPN 1 1H PHE 1 2.995 -0.244 -8.544 2 2HN DPN 1 2H PHE 1 3.335 -1.275 -7.324 3 HA DPN 1 HA PHE 1 1.126 0.691 -7.416 4 1HB DPN 1 1HB PHE 1 3.396 1.679 -7.184 5 2HB DPN 1 2HB PHE 1 3.757 0.660 -5.817 6 HD1 DPN 1 HD1 PHE 1 3.090 1.361 -3.577 7 HD2 DPN 1 HD2 PHE 1 1.448 3.418 -6.979 8 HE1 DPN 1 HE1 PHE 1 2.146 3.081 -2.091 9 HE2 DPN 1 HE2 PHE 1 0.499 5.123 -5.476 10 HZ DPN 1 HZ PHE 1 0.846 4.958 -3.034 1 H CYS 2 H CYS 2 2.737 -1.524 -5.044 2 HA CYS 2 HA CYS 2 0.277 -1.260 -3.310 3 1HB CYS 2 2HB CYS 2 -0.120 -3.284 -4.793 4 2HB CYS 2 1HB CYS 2 1.261 -4.074 -4.010 5 H PHE 3 H PHE 3 1.305 -0.215 -1.687 6 HA PHE 3 HA PHE 3 3.632 -1.652 -0.270 7 1HB PHE 3 2HB PHE 3 4.375 0.298 -1.698 8 2HB PHE 3 1HB PHE 3 3.326 1.367 -0.804 9 HD1 PHE 3 HD2 PHE 3 6.335 -0.871 -0.512 10 HD2 PHE 3 HD1 PHE 3 4.059 2.258 1.367 11 HE1 PHE 3 HE2 PHE 3 8.151 -0.514 1.114 12 HE2 PHE 3 HE1 PHE 3 5.884 2.604 2.983 13 HZ PHE 3 HZ PHE 3 7.930 1.220 2.862 14 1HN DTR 4 H TRP 4 2.168 -2.600 1.163 15 HA DTR 4 HA TRP 4 1.730 -1.022 3.604 16 1HB DTR 4 1HB TRP 4 2.377 -3.493 3.507 17 2HB DTR 4 2HB TRP 4 0.739 -3.883 3.022 18 HD1 DTR 4 HD1 TRP 4 2.847 -2.695 6.066 19 HE1 DTR 4 HE1 TRP 4 1.485 -2.815 8.340 20 HZ2 DTR 4 HZ2 TRP 4 -1.252 -3.280 8.943 21 HH2 DTR 4 HH2 TRP 4 -3.449 -3.751 7.899 22 HZ3 DTR 4 HZ3 TRP 4 -3.661 -3.996 5.457 23 HE3 DTR 4 HE3 TRP 4 -1.688 -3.775 3.981 24 H LYS 5 H LYS 5 -0.016 -0.009 4.354 25 HA LYS 5 HA LYS 5 -2.796 -0.340 3.306 26 1HB LYS 5 2HB LYS 5 -1.568 1.855 5.085 27 2HB LYS 5 1HB LYS 5 -3.268 1.753 4.663 28 1HG LYS 5 2HG LYS 5 -3.451 -0.521 5.753 29 2HG LYS 5 1HG LYS 5 -1.754 -0.449 6.210 30 1HD LYS 5 2HD LYS 5 -2.210 1.664 7.555 31 2HD LYS 5 1HD LYS 5 -3.920 1.556 7.121 32 1HE LYS 5 2HE LYS 5 -4.048 -0.742 8.243 33 2HE LYS 5 1HE LYS 5 -2.341 -0.614 8.684 34 1HZ LYS 5 1HZ LYS 5 -4.463 1.304 9.526 35 2HZ LYS 5 2HZ LYS 5 -2.886 1.428 9.929 36 H THR 6 H THR 6 -0.130 1.641 2.248 37 HA THR 6 HA THR 6 -1.835 3.291 0.333 38 HB THR 6 HB THR 6 0.321 4.121 -0.598 39 HG1 THR 6 HG1 THR 6 1.391 2.102 0.737 40 1HG2 THR 6 1HG2 THR 6 -0.768 5.460 1.218 41 2HG2 THR 6 2HG2 THR 6 0.148 4.546 2.445 42 3HG2 THR 6 3HG2 THR 6 1.008 5.572 1.277 43 H CYS 7 H CYS 7 -2.835 1.400 -0.558 44 HA CYS 7 HA CYS 7 -1.199 0.082 -2.770 45 1HB CYS 7 2HB CYS 7 -1.327 -1.408 -0.750 46 2HB CYS 7 1HB CYS 7 -3.091 -1.303 -0.752 47 1HN THO 8 HN THR 8 -2.049 -0.263 -4.632 48 HA THO 8 HA THR 8 -4.938 -0.318 -5.279 49 HB THO 8 HB THR 8 -3.362 2.196 -6.131 50 1HG2 THO 8 1HG2 THR 8 -5.506 2.962 -7.214 51 2HG2 THO 8 2HG2 THR 8 -4.861 1.528 -8.039 52 3HG2 THO 8 3HG2 THR 8 -6.244 1.371 -6.919 53 HG1 THO 8 HG1 THR 8 -4.719 1.724 -4.020 54 1H THO 8 1HT THR 8 -4.105 -0.661 -7.597 55 2H THO 8 2HT THR 8 -3.261 -1.694 -6.460 56 HO THO 8 HT THR 8 -1.498 -0.197 -6.466 No H/Q in entry = 56