7.85 0.504 -0.494 0.924 A N GLY 1 ATOM A N GLY 1 1 1.00 1 N 6.79 1.272 0.589 0.277 A CA GLY 1 ATOM A CA GLY 1 1 1.00 1 C 5.59 1.700 1.614 1.301 A C GLY 1 ATOM A C GLY 1 1 1.00 1 C 6.04 1.434 1.460 2.496 A O GLY 1 ATOM A O GLY 1 1 1.00 1 O 5.95 2.265 2.708 0.818 A N CYS 2 ATOM A N CYS 1 2 1.00 1 N 5.17 2.764 3.784 1.669 A CA CYS 2 ATOM A CA CYS 1 2 1.00 1 C 4.74 1.812 4.298 2.743 A C CYS 2 ATOM A C CYS 1 2 1.00 1 C 4.51 2.196 4.467 3.911 A O CYS 2 ATOM A O CYS 1 2 1.00 1 O 5.99 3.162 4.969 0.792 A CB CYS 2 ATOM A CB CYS 1 2 1.00 1 C 5.51 3.952 6.326 1.711 A SG CYS 2 ATOM A SG CYS 1 2 1.00 1 S 4.88 0.563 4.533 2.362 A N CYS 3 ATOM A N CYS 1 3 1.00 1 N 5.24 -0.383 5.110 3.297 A CA CYS 3 ATOM A CA CYS 1 3 1.00 1 C 6.13 -0.843 4.230 4.451 A C CYS 3 ATOM A C CYS 1 3 1.00 1 C 7.85 -1.433 4.734 5.405 A O CYS 3 ATOM A O CYS 1 3 1.00 1 O 4.92 -1.536 5.768 2.538 A CB CYS 3 ATOM A CB CYS 1 3 1.00 1 C 6.13 -0.921 6.878 1.220 A SG CYS 3 ATOM A SG CYS 1 3 1.00 1 S 5.39 -0.537 2.935 4.395 A N SER 4 ATOM A N SER 1 4 1.00 1 N 7.14 -0.885 2.022 5.483 A CA SER 4 ATOM A CA SER 1 4 1.00 1 C 6.23 0.362 1.661 6.308 A C SER 4 ATOM A C SER 1 4 1.00 1 C 7.65 0.297 0.843 7.226 A O SER 4 ATOM A O SER 1 4 1.00 1 O 8.23 -1.565 0.752 4.947 A CB SER 4 ATOM A CB SER 1 4 1.00 1 C 5.46 -2.625 1.057 4.064 A OG SER 4 ATOM A A OG SER 1 4 0.50 1 O 11.74 -0.885 0.189 3.843 A OG SER 4 ATOM B A OG SER 1 4 0.50 1 O 6.26 1.492 2.279 5.971 A N LEU 5 ATOM A N LEU 1 5 1.00 1 N 6.46 2.768 2.053 6.653 A CA LEU 5 ATOM A CA LEU 1 5 1.00 1 C 6.72 3.128 3.388 7.313 A C LEU 5 ATOM A C LEU 1 5 1.00 1 C 5.39 3.613 4.307 6.646 A O LEU 5 ATOM A O LEU 1 5 1.00 1 O 7.73 3.829 1.651 5.617 A CB LEU 5 ATOM A CB LEU 1 5 1.00 1 C 11.40 5.253 1.316 6.078 A CG LEU 5 ATOM A CG LEU 1 5 1.00 1 C 13.82 5.230 0.108 7.021 A CD1 LEU 5 ATOM A CD1 LEU 1 5 1.00 1 C 9.71 6.136 1.026 4.860 A CD2 LEU 5 ATOM A CD2 LEU 1 5 1.00 1 C 6.78 2.943 3.500 8.641 A N PRO 6 ATOM A N PRO 1 6 1.00 1 N 6.85 3.242 4.744 9.365 A CA PRO 6 ATOM A CA PRO 1 6 1.00 1 C 6.38 4.499 5.536 8.960 A C PRO 6 ATOM A C PRO 1 6 1.00 1 C 6.65 4.398 6.723 8.658 A O PRO 6 ATOM A O PRO 1 6 1.00 1 O 8.54 3.255 4.299 10.830 A CB PRO 6 ATOM A CB PRO 1 6 1.00 1 C 8.56 2.200 3.227 10.845 A CG PRO 6 ATOM A CG PRO 1 6 1.00 1 C 7.86 2.516 2.439 9.579 A CD PRO 6 ATOM A CD PRO 1 6 1.00 1 C 7.30 5.682 4.892 8.915 A N PRO 7 ATOM A N PRO 1 7 1.00 1 N 8.29 6.901 5.622 8.533 A CA PRO 7 ATOM A CA PRO 1 7 1.00 1 C 7.53 6.800 6.254 7.142 A C PRO 7 ATOM A C PRO 1 7 1.00 1 C 8.75 7.294 7.360 6.923 A O PRO 7 ATOM A O PRO 1 7 1.00 1 O 9.91 7.972 4.530 8.549 A CB PRO 7 ATOM A CB PRO 1 7 1.00 1 C 11.94 7.461 3.552 9.538 A CG PRO 7 ATOM A CG PRO 1 7 1.00 1 C 8.51 5.999 3.485 9.219 A CD PRO 7 ATOM A CD PRO 1 7 1.00 1 C 6.06 6.161 5.555 6.207 A N CYS 8 ATOM A N CYS 1 8 1.00 1 N 5.71 6.024 6.086 4.852 A CA CYS 8 ATOM A CA CYS 1 8 1.00 1 C 6.25 5.001 7.220 4.792 A C CYS 8 ATOM A C CYS 1 8 1.00 1 C 6.08 5.256 8.262 4.185 A O CYS 8 ATOM A O CYS 1 8 1.00 1 O 4.84 5.663 4.985 3.854 A CB CYS 8 ATOM A CB CYS 1 8 1.00 1 C 5.86 5.780 5.548 2.119 A SG CYS 8 ATOM A SG CYS 1 8 1.00 1 S 5.45 3.856 7.034 5.446 A N ALA 9 ATOM A N ALA 1 9 1.00 1 N 6.41 2.816 8.057 5.460 A CA ALA 9 ATOM A CA ALA 1 9 1.00 1 C 6.69 3.348 9.358 6.057 A C ALA 9 ATOM A C ALA 1 9 1.00 1 C 7.39 3.028 10.447 5.584 A O ALA 9 ATOM A O ALA 1 9 1.00 1 O 6.78 1.608 7.573 6.249 A CB ALA 9 ATOM A CB ALA 1 9 1.00 1 C 6.28 4.177 9.232 7.089 A N LEU 10 ATOM A N LEU 1 10 1.00 1 N 7.56 4.763 10.385 7.762 A CA LEU 10 ATOM A CA LEU 1 10 1.00 1 C 6.72 5.635 11.215 6.815 A C LEU 10 ATOM A C LEU 1 10 1.00 1 C 7.32 5.613 12.448 6.864 A O LEU 10 ATOM A O LEU 1 10 1.00 1 O 8.71 5.602 9.914 8.952 A CB LEU 10 ATOM A CB LEU 1 10 1.00 1 C 12.81 6.042 10.959 9.976 A CG LEU 10 ATOM A CG LEU 1 10 1.00 1 C 12.39 4.828 11.461 10.739 A CD1 LEU 10 ATOM A CD1 LEU 1 10 1.00 1 C 15.18 7.062 10.353 10.939 A CD2 LEU 10 ATOM A CD2 LEU 1 10 1.00 1 C 5.98 6.387 10.533 5.951 A N SER 11 ATOM A N SER 1 11 1.00 1 N 6.98 7.277 11.191 4.997 A CA SER 11 ATOM A CA SER 1 11 1.00 1 C 6.49 6.614 11.584 3.674 A C SER 11 ATOM A C SER 1 11 1.00 1 C 7.13 7.219 12.270 2.844 A O SER 11 ATOM A O SER 1 11 1.00 1 O 9.58 8.496 10.306 4.726 A CB SER 11 ATOM A CB SER 1 11 1.00 1 C 10.57 9.153 9.951 5.930 A OG SER 11 ATOM A A OG SER 1 11 0.50 1 O 14.70 8.108 8.971 4.458 A OG SER 11 ATOM B A OG SER 1 11 0.50 1 O 4.40 5.377 11.148 3.468 A N ASN 12 ATOM A N ASN 1 12 1.00 1 N 5.14 4.642 11.470 2.241 A CA ASN 12 ATOM A CA ASN 1 12 1.00 1 C 4.60 3.250 11.935 2.655 A C ASN 12 ATOM A C ASN 1 12 1.00 1 C 4.90 2.246 11.446 2.139 A O ASN 12 ATOM A O ASN 1 12 1.00 1 O 4.86 4.522 10.221 1.347 A CB ASN 12 ATOM A CB ASN 1 12 1.00 1 C 5.73 5.866 9.724 0.847 A CG ASN 12 ATOM A CG ASN 1 12 1.00 1 C 6.58 6.275 10.039 -0.272 A OD1 ASN 12 ATOM A OD1 ASN 1 12 1.00 1 O 6.19 6.556 8.937 1.664 A ND2 ASN 12 ATOM A ND2 ASN 1 12 1.00 1 N 5.42 3.176 12.979 3.500 A N PRO 13 ATOM A N PRO 1 13 1.00 1 N 5.25 1.878 13.476 3.970 A CA PRO 13 ATOM A CA PRO 1 13 1.00 1 C 5.40 0.887 14.010 2.941 A C PRO 13 ATOM A C PRO 1 13 1.00 1 C 5.97 -0.300 13.728 3.032 A O PRO 13 ATOM A O PRO 1 13 1.00 1 O 6.25 2.270 14.539 5.002 A CB PRO 13 ATOM A CB PRO 1 13 1.00 1 C 7.10 3.555 15.083 4.452 A CG PRO 13 ATOM A CG PRO 1 13 1.00 1 C 6.94 4.277 13.837 3.979 A CD PRO 13 ATOM A CD PRO 1 13 1.00 1 C 6.61 1.360 14.803 1.984 A N ASP 14 ATOM A N ASP 1 14 1.00 1 N 6.75 0.459 15.369 0.982 A CA ASP 14 ATOM A CA ASP 1 14 1.00 1 C 8.16 -0.004 14.318 -0.017 A C ASP 14 ATOM A C ASP 1 14 1.00 1 C 9.76 -1.106 14.388 -0.553 A O ASP 14 ATOM A O ASP 1 14 1.00 1 O 11.62 1.134 16.552 0.288 A CB ASP 14 ATOM A CB ASP 1 14 1.00 1 C 16.46 1.462 17.679 1.261 A CG ASP 14 ATOM A CG ASP 1 14 1.00 1 C 16.79 0.527 18.216 1.894 A OD1 ASP 14 ATOM A OD1 ASP 1 14 1.00 1 O 23.02 2.653 18.017 1.412 A OD2 ASP 14 ATOM A OD2 ASP 1 14 1.00 1 O 6.51 0.861 13.350 -0.266 A N TYR 15 ATOM A N TYR 1 15 1.00 1 N 6.05 0.588 12.248 -1.172 A CA TYR 15 ATOM A CA TYR 1 15 1.00 1 C 6.38 -0.536 11.382 -0.591 A C TYR 15 ATOM A C TYR 1 15 1.00 1 C 7.26 -1.482 11.037 -1.301 A O TYR 15 ATOM A O TYR 1 15 1.00 1 O 8.86 1.893 11.457 -1.326 A CB TYR 15 ATOM A CB TYR 1 15 1.00 1 C 8.00 1.859 10.154 -2.103 A CG TYR 15 ATOM A CG TYR 1 15 1.00 1 C 9.32 1.983 10.140 -3.497 A CD1 TYR 15 ATOM A CD1 TYR 1 15 1.00 1 C 10.46 1.810 8.928 -1.435 A CD2 TYR 15 ATOM A CD2 TYR 1 15 1.00 1 C 10.27 2.063 8.924 -4.207 A CE1 TYR 15 ATOM A CE1 TYR 1 15 1.00 1 C 9.92 1.889 7.717 -2.135 A CE2 TYR 15 ATOM A CE2 TYR 1 15 1.00 1 C 11.82 2.017 7.725 -3.515 A CZ TYR 15 ATOM A CZ TYR 1 15 1.00 1 C 14.60 2.083 6.523 -4.184 A OH TYR 15 ATOM A OH TYR 1 15 1.00 1 O 5.42 -0.448 11.073 0.703 A N CYS 16 ATOM A N CYS 1 16 1.00 1 N 6.46 -1.464 10.253 1.359 A CA CYS 16 ATOM A CA CYS 1 16 1.00 1 C 6.39 -2.718 11.036 1.746 A C CYS 16 ATOM A C CYS 1 16 1.00 1 C 7.99 -3.805 10.424 1.754 A O CYS 16 ATOM A O CYS 1 16 1.00 1 O 6.56 -0.881 9.558 2.593 A CB CYS 16 ATOM A CB CYS 1 16 1.00 1 C 6.50 0.273 8.212 2.183 A SG CYS 16 ATOM A SG CYS 1 16 1.00 1 S 6.64 -2.607 12.317 2.071 A N NH2 17 HETATM A N NH2 1 17 1.00 1 N 44.08 3.129 18.483 4.947 A O HOH 18 HETATM B O HOH 2 1.00 1 O 33.96 -2.025 7.355 5.786 A O HOH 19 HETATM B O HOH 2 1.00 1 O 42.45 2.081 4.618 -2.356 A O HOH 20 HETATM B O HOH 2 1.00 1 O 24.79 1.668 -2.689 -1.024 A O HOH 21 HETATM B O HOH 2 1.00 1 O 8.75 -1.882 0.741 1.493 A O HOH 22 HETATM B O HOH 2 1.00 1 O 15.41 -4.297 1.455 6.343 A O HOH 23 HETATM B O HOH 2 1.00 1 O 15.81 -3.349 3.917 7.372 A O HOH 24 HETATM B O HOH 2 1.00 1 O 26.35 -0.467 4.563 8.347 A O HOH 25 HETATM B O HOH 2 1.00 1 O 18.78 2.304 7.995 10.212 A O HOH 26 HETATM B O HOH 2 1.00 1 O 29.82 -1.128 12.212 5.169 A O HOH 27 HETATM B O HOH 2 1.00 1 O 25.43 0.875 11.418 6.833 A O HOH 28 HETATM B O HOH 2 1.00 1 O 8.98 -4.987 13.827 3.034 A O HOH 29 HETATM B O HOH 2 1.00 1 O 13.91 -3.148 13.320 -2.066 A O HOH 30 HETATM B O HOH 2 1.00 1 O 36.19 -3.191 16.037 0.176 A O HOH 31 HETATM B O HOH 2 1.00 1 O 30.78 -1.873 18.513 0.531 A O HOH 32 HETATM B O HOH 2 1.00 1 O 29.94 2.078 -1.904 3.321 A O HOH 33 HETATM B O HOH 2 1.00 1 O 29.97 9.490 8.689 8.115 A O HOH 34 HETATM B O HOH 2 1.00 1 O 10.45 3.843 13.963 0.120 A O HOH 35 HETATM B O HOH 2 1.00 1 O 28.36 -0.042 19.381 4.218 A O HOH 36 HETATM B O HOH 2 1.00 1 O 33.69 11.864 10.003 5.575 A O HOH 37 HETATM B O HOH 2 1.00 1 O 42.44 4.201 18.400 -1.866 A O HOH 38 HETATM B O HOH 2 1.00 1 O 30.99 10.420 6.501 6.514 A O HOH 39 HETATM B O HOH 2 1.00 1 O 35.54 -0.720 -2.793 5.206 A O HOH 40 HETATM B O HOH 2 1.00 1 O 0.068493 0.000000 0.000000 0.000000 0.038314 0.000000 0.000000 0.000000 0.034247 0.00000 0.00000 0.00000 Hu, S.-H. Martin, J.L. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 14.600 26.100 29.200 C3 H7 N O2 89.093 y ALANINE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y LEUCINE L-peptide linking H2 N 16.023 AMINO GROUP non-polymer C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 36 11323 11330 10.1021/bi9713052 9298951 Crystal structure at 1.1 A resolution of alpha-conotoxin PnIB: comparison with alpha-conotoxins PnIA and GI. 1997 DK J.Appl.Crystallogr. JACGAR 0228 0021-8898 27 613 Snb: Crystal Structure Determination Via Shake-and-Bake 1994 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 286 1 MIRROR-FOCUSSED IMAGE PLATE 1996-03 RIGAKU RAXIS IIC NI FILTER M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RUH2R 1640.904 ALPHA-CONOTOXIN PNIB 1 syn polymer 18.015 water 23 nat water no yes GCCSLPPCALSNPDYC(NH2) GCCSLPPCALSNPDYCX A polypeptide(L) n n n n n n n n n n n n n n n n n 2 1.6 24. 7.0 1.0 M NA FORMATE, pH 7.0 repository Initial release Version format compliance Version format compliance Source and taxonomy 1 0 1998-05-20 1 1 2008-03-04 1 2 2011-07-13 1 3 2015-06-10 Y BNL 1997-05-18 REL REL HOH water BIOLOGICALLY ACTIVE MOLECULE 37335 Conus pennaceus sample HOH 17 2 HOH HOH 18 A HOH 18 2 HOH HOH 19 A HOH 19 2 HOH HOH 20 A HOH 20 2 HOH HOH 21 A HOH 21 2 HOH HOH 22 A HOH 22 2 HOH HOH 23 A HOH 23 2 HOH HOH 24 A HOH 24 2 HOH HOH 25 A HOH 25 2 HOH HOH 26 A HOH 26 2 HOH HOH 27 A HOH 27 2 HOH HOH 28 A HOH 28 2 HOH HOH 29 A HOH 29 2 HOH HOH 30 A HOH 30 2 HOH HOH 31 A HOH 31 2 HOH HOH 32 A HOH 32 2 HOH HOH 33 A HOH 33 2 HOH HOH 34 A HOH 34 2 HOH HOH 35 A HOH 35 2 HOH HOH 36 A HOH 36 2 HOH HOH 37 A HOH 37 2 HOH HOH 38 A HOH 38 2 HOH HOH 39 A HOH 39 2 HOH HOH 40 A GLY 1 n 1 GLY 1 A CYS 2 n 2 CYS 2 A CYS 3 n 3 CYS 3 A SER 4 n 4 SER 4 A LEU 5 n 5 LEU 5 A PRO 6 n 6 PRO 6 A PRO 7 n 7 PRO 7 A CYS 8 n 8 CYS 8 A ALA 9 n 9 ALA 9 A LEU 10 n 10 LEU 10 A SER 11 n 11 SER 11 A ASN 12 n 12 ASN 12 A PRO 13 n 13 PRO 13 A ASP 14 n 14 ASP 14 A TYR 15 n 15 TYR 15 A CYS 16 n 16 CYS 16 A NH2 17 n 17 NH2 17 A author_defined_assembly 1 monomeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 TOPH19.PEP PARHCSDX.PRO TOPHCSDX.PRO 7.5 0.157 0.15 0.147 0.147 1.1 6.0 351 3370 10.0 70. RANDOM 1 RESTRAINED THROUGHOUT 2. DIRECT METHOD 0.15 0.15 6.0 1.1 6.0 23 134 0 0 111 0.006 1.7 22.0 1.5 1.7 1.5 1.4 2.0 1.7 2.0 1.4 2.5 0.185 0.239 1.15 18 167 8 3. 31. 6.0 1.1 50.0 1AKG 4483 1.0 0.08 1 15.9 8.8 91.5 1.1 1.2 3.6 0.311 1 74. data reduction DENZO data scaling SCALEPACK model building SHAKE-N-BAKE model building X-PLOR 3.1 refinement X-PLOR 3.1 phasing SHAKE-N-BAKE phasing X-PLOR 3.1 ALPHA-CONOTOXIN PNIB ALPHA-CONOTOXIN PNIB FROM CONUS PENNACEUS 1 N N 2 N N A LEU 5 A LEU 5 HELX_P A ASN 12 A ASN 12 5 1 8 disulf 2.028 A CYS 2 A SG CYS 2 1_555 A CYS 8 A SG CYS 8 1_555 disulf 2.033 A CYS 3 A SG CYS 3 1_555 A CYS 16 A SG CYS 16 1_555 covale 1.326 A NH2 17 A N NH2 17 1_555 A CYS 16 A C CYS 16 1_555 ACETYLCHOLINE RECEPTOR ANTAGONIST ACETYLCHOLINE RECEPTOR ANTAGONIST, ALPHA-CONOTOXIN CXAB_CONPE UNP 1 1 P50985 GCCSLPPCALSNPDYC 1 16 1AKG 1 16 P50985 A 1 1 16 BINDING SITE FOR RESIDUE NH2 A 17 Software 3 A PRO 13 A PRO 13 3 1_555 A CYS 16 A CYS 16 3 1_555 A HOH 29 B HOH 3 1_555 19 P 21 21 21