17.44 8.316 21.206 21.530 A N PRO 1 ATOM A N PRO 1 1 1.00 1 N 17.44 7.608 20.729 20.336 A CA PRO 1 ATOM A CA PRO 1 1 1.00 1 C 17.44 8.487 20.707 19.092 A C PRO 1 ATOM A C PRO 1 1 1.00 1 C 17.44 9.466 21.457 19.005 A O PRO 1 ATOM A O PRO 1 1 1.00 1 O 22.26 6.460 21.723 20.211 A CB PRO 1 ATOM A CB PRO 1 1 1.00 1 C 22.26 7.110 23.002 20.661 A CG PRO 1 ATOM A CG PRO 1 1 1.00 1 C 22.26 7.873 22.569 21.889 A CD PRO 1 ATOM A CD PRO 1 1 1.00 1 C 13.49 8.177 19.849 18.107 A N PRO 2 ATOM A N PRO 1 2 1.00 1 N 13.49 9.057 19.896 16.936 A CA PRO 2 ATOM A CA PRO 1 2 1.00 1 C 13.49 9.087 21.308 16.377 A C PRO 2 ATOM A C PRO 1 2 1.00 1 C 13.49 8.318 22.186 16.816 A O PRO 2 ATOM A O PRO 1 2 1.00 1 O 18.26 8.426 18.899 15.970 A CB PRO 2 ATOM A CB PRO 1 2 1.00 1 C 18.26 7.776 17.914 16.886 A CG PRO 2 ATOM A CG PRO 1 2 1.00 1 C 18.26 7.166 18.797 17.954 A CD PRO 2 ATOM A CD PRO 1 2 1.00 1 C 12.07 9.981 21.517 15.426 A N GLY 3 ATOM A N GLY 1 3 1.00 1 N 12.07 10.060 22.799 14.777 A CA GLY 3 ATOM A CA GLY 1 3 1.00 1 C 12.07 9.119 22.720 13.589 A C GLY 3 ATOM A C GLY 1 3 1.00 1 C 12.07 8.531 21.655 13.334 A O GLY 3 ATOM A O GLY 1 3 1.00 1 O 14.22 8.954 23.832 12.847 A N PRO 4 ATOM A N PRO 1 4 1.00 1 N 14.22 8.095 23.907 11.675 A CA PRO 4 ATOM A CA PRO 1 4 1.00 1 C 14.22 8.733 23.310 10.437 A C PRO 4 ATOM A C PRO 1 4 1.00 1 C 14.22 9.963 23.078 10.402 A O PRO 4 ATOM A O PRO 1 4 1.00 1 O 8.61 7.863 25.403 11.527 A CB PRO 4 ATOM A CB PRO 1 4 1.00 1 C 8.61 9.218 25.934 11.895 A CG PRO 4 ATOM A CG PRO 1 4 1.00 1 C 8.61 9.530 25.158 13.143 A CD PRO 4 ATOM A CD PRO 1 4 1.00 1 C 14.03 7.918 23.027 9.412 A N PRO 5 ATOM A N PRO 1 5 1.00 1 N 14.03 8.416 22.493 8.135 A CA PRO 5 ATOM A CA PRO 1 5 1.00 1 C 14.03 9.621 23.306 7.672 A C PRO 5 ATOM A C PRO 1 5 1.00 1 C 14.03 9.876 24.379 8.181 A O PRO 5 ATOM A O PRO 1 5 1.00 1 O 10.90 7.229 22.641 7.193 A CB PRO 5 ATOM A CB PRO 1 5 1.00 1 C 10.90 6.082 22.382 8.123 A CG PRO 5 ATOM A CG PRO 1 5 1.00 1 C 10.90 6.452 23.069 9.415 A CD PRO 5 ATOM A CD PRO 1 5 1.00 1 C 10.80 10.369 22.765 6.725 A N GLY 6 ATOM A N GLY 1 6 1.00 1 N 10.80 11.517 23.464 6.204 A CA GLY 6 ATOM A CA GLY 1 6 1.00 1 C 10.80 11.139 24.138 4.928 A C GLY 6 ATOM A C GLY 1 6 1.00 1 C 10.80 10.028 23.948 4.418 A O GLY 6 ATOM A O GLY 1 6 1.00 1 O 11.55 12.050 24.922 4.355 A N PRO 7 ATOM A N PRO 1 7 1.00 1 N 11.55 11.797 25.641 3.111 A CA PRO 7 ATOM A CA PRO 1 7 1.00 1 C 11.55 11.484 24.709 1.970 A C PRO 7 ATOM A C PRO 1 7 1.00 1 C 11.55 11.783 23.500 2.038 A O PRO 7 ATOM A O PRO 1 7 1.00 1 O 10.61 13.091 26.440 2.901 A CB PRO 7 ATOM A CB PRO 1 7 1.00 1 C 10.61 14.119 25.540 3.516 A CG PRO 7 ATOM A CG PRO 1 7 1.00 1 C 10.61 13.456 25.102 4.796 A CD PRO 7 ATOM A CD PRO 1 7 1.00 1 C 14.31 10.853 25.225 0.900 A N PRO 8 ATOM A N PRO 1 8 1.00 1 N 14.31 10.571 24.322 -0.220 A CA PRO 8 ATOM A CA PRO 1 8 1.00 1 C 14.31 11.897 23.973 -0.901 A C PRO 8 ATOM A C PRO 1 8 1.00 1 C 14.31 12.973 24.425 -0.473 A O PRO 8 ATOM A O PRO 1 8 1.00 1 O 16.14 9.623 25.131 -1.124 A CB PRO 8 ATOM A CB PRO 1 8 1.00 1 C 16.14 9.080 26.188 -0.206 A CG PRO 8 ATOM A CG PRO 1 8 1.00 1 C 16.14 10.279 26.556 0.633 A CD PRO 8 ATOM A CD PRO 1 8 1.00 1 C 11.65 11.816 23.125 -1.918 A N GLY 9 ATOM A N GLY 1 9 1.00 1 N 11.65 12.996 22.720 -2.639 A CA GLY 9 ATOM A CA GLY 1 9 1.00 1 C 11.65 13.234 23.577 -3.852 A C GLY 9 ATOM A C GLY 1 9 1.00 1 C 11.65 12.433 24.459 -4.180 A O GLY 9 ATOM A O GLY 1 9 1.00 1 O 8.71 12.731 18.403 18.599 B N PRO 31 ATOM B N PRO 2 1 1.00 1 N 8.71 13.374 17.891 17.389 B CA PRO 31 ATOM B CA PRO 2 1 1.00 1 C 8.71 13.142 18.745 16.166 B C PRO 31 ATOM B C PRO 2 1 1.00 1 C 8.71 12.207 19.526 16.121 B O PRO 31 ATOM B O PRO 2 1 1.00 1 O 15.38 12.784 16.471 17.255 B CB PRO 31 ATOM B CB PRO 2 1 1.00 1 C 15.38 11.434 16.598 17.873 B CG PRO 31 ATOM B CG PRO 2 1 1.00 1 C 15.38 11.660 17.490 19.065 B CD PRO 31 ATOM B CD PRO 2 1 1.00 1 C 13.67 14.011 18.647 15.178 B N PRO 32 ATOM B N PRO 2 2 1.00 1 N 13.67 13.833 19.426 13.967 B CA PRO 32 ATOM B CA PRO 2 2 1.00 1 C 13.67 12.523 19.099 13.336 B C PRO 32 ATOM B C PRO 2 2 1.00 1 C 13.67 12.038 17.968 13.473 B O PRO 32 ATOM B O PRO 2 2 1.00 1 O 9.03 15.025 19.023 13.125 B CB PRO 32 ATOM B CB PRO 2 2 1.00 1 C 9.03 16.077 18.799 14.163 B CG PRO 32 ATOM B CG PRO 2 2 1.00 1 C 9.03 15.320 17.975 15.152 B CD PRO 32 ATOM B CD PRO 2 2 1.00 1 C 14.26 11.928 20.070 12.640 B N GLY 33 ATOM B N GLY 2 3 1.00 1 N 14.26 10.661 19.801 12.008 B CA GLY 33 ATOM B CA GLY 2 3 1.00 1 C 14.26 10.802 18.911 10.797 B C GLY 33 ATOM B C GLY 2 3 1.00 1 C 14.26 11.882 18.368 10.516 B O GLY 33 ATOM B O GLY 2 3 1.00 1 O 11.50 9.708 18.736 10.046 B N PRO 34 ATOM B N PRO 2 4 1.00 1 N 11.50 9.665 17.922 8.836 B CA PRO 34 ATOM B CA PRO 2 4 1.00 1 C 11.50 10.227 18.620 7.654 B C PRO 34 ATOM B C PRO 2 4 1.00 1 C 11.50 10.284 19.836 7.639 B O PRO 34 ATOM B O PRO 2 4 1.00 1 O 9.66 8.192 17.649 8.657 B CB PRO 34 ATOM B CB PRO 2 4 1.00 1 C 9.66 7.586 18.930 9.132 B CG PRO 34 ATOM B CG PRO 2 4 1.00 1 C 9.66 8.350 19.245 10.373 B CD PRO 34 ATOM B CD PRO 2 4 1.00 1 C 16.25 10.677 17.860 6.651 B N PRO 35 ATOM B N PRO 2 5 1.00 1 N 16.25 11.228 18.392 5.413 B CA PRO 35 ATOM B CA PRO 2 5 1.00 1 C 16.25 10.219 19.317 4.794 B C PRO 35 ATOM B C PRO 2 5 1.00 1 C 16.25 9.010 19.249 5.127 B O PRO 35 ATOM B O PRO 2 5 1.00 1 O 10.89 11.468 17.160 4.542 B CB PRO 35 ATOM B CB PRO 2 5 1.00 1 C 10.89 11.668 16.066 5.531 B CG PRO 35 ATOM B CG PRO 2 5 1.00 1 C 10.89 10.798 16.385 6.703 B CD PRO 35 ATOM B CD PRO 2 5 1.00 1 C 19.34 10.709 20.223 3.948 B N GLY 36 ATOM B N GLY 2 6 1.00 1 N 19.34 9.836 21.154 3.260 B CA GLY 36 ATOM B CA GLY 2 6 1.00 1 C 19.34 9.207 20.491 2.050 B C GLY 36 ATOM B C GLY 2 6 1.00 1 C 19.34 9.565 19.355 1.710 B O GLY 36 ATOM B O GLY 2 6 1.00 1 O 10.63 14.309 23.332 15.622 C N PRO 61 ATOM C N PRO 2 1 1.00 1 N 10.63 14.643 24.095 14.422 C CA PRO 61 ATOM C CA PRO 2 1 1.00 1 C 10.63 13.859 23.751 13.161 C C PRO 61 ATOM C C PRO 2 1 1.00 1 C 10.63 13.189 22.726 13.091 C O PRO 61 ATOM C O PRO 2 1 1.00 1 O 19.41 16.144 23.846 14.270 C CB PRO 61 ATOM C CB PRO 2 1 1.00 1 C 19.41 16.308 22.475 14.820 C CG PRO 61 ATOM C CG PRO 2 1 1.00 1 C 19.41 15.451 22.510 16.056 C CD PRO 61 ATOM C CD PRO 2 1 1.00 1 C 15.75 13.910 24.631 12.163 C N PRO 62 ATOM C N PRO 2 2 1.00 1 N 15.75 13.234 24.402 10.876 C CA PRO 62 ATOM C CA PRO 2 2 1.00 1 C 15.75 13.686 23.039 10.262 C C PRO 62 ATOM C C PRO 2 2 1.00 1 C 15.75 14.874 22.653 10.369 C O PRO 62 ATOM C O PRO 2 2 1.00 1 O 9.87 13.668 25.600 10.024 C CB PRO 62 ATOM C CB PRO 2 2 1.00 1 C 9.87 13.859 26.675 11.052 C CG PRO 62 ATOM C CG PRO 2 2 1.00 1 C 9.87 14.515 25.976 12.213 C CD PRO 62 ATOM C CD PRO 2 2 1.00 1 C 16.50 12.761 22.316 9.639 C N GLY 63 ATOM C N GLY 2 3 1.00 1 N 16.50 13.167 21.066 9.028 C CA GLY 63 ATOM C CA GLY 2 3 1.00 1 C 16.50 14.105 21.312 7.849 C C GLY 63 ATOM C C GLY 2 3 1.00 1 C 16.50 14.435 22.472 7.518 C O GLY 63 ATOM C O GLY 2 3 1.00 1 O 15.53 14.571 20.246 7.184 C N PRO 64 ATOM C N PRO 2 4 1.00 1 N 15.53 15.458 20.417 6.037 C CA PRO 64 ATOM C CA PRO 2 4 1.00 1 C 15.53 14.684 20.927 4.823 C C PRO 64 ATOM C C PRO 2 4 1.00 1 C 15.53 13.463 20.829 4.772 C O PRO 64 ATOM C O PRO 2 4 1.00 1 O 5.63 16.001 19.018 5.816 C CB PRO 64 ATOM C CB PRO 2 4 1.00 1 C 5.63 14.806 18.201 6.163 C CG PRO 64 ATOM C CG PRO 2 4 1.00 1 C 5.63 14.354 18.810 7.450 C CD PRO 64 ATOM C CD PRO 2 4 1.00 1 C 10.50 15.378 21.485 3.840 C N PRO 65 ATOM C N PRO 2 5 1.00 1 N 10.50 14.622 21.927 2.689 C CA PRO 65 ATOM C CA PRO 2 5 1.00 1 C 10.50 14.079 20.706 1.955 C C PRO 65 ATOM C C PRO 2 5 1.00 1 C 10.50 14.505 19.531 2.221 C O PRO 65 ATOM C O PRO 2 5 1.00 1 O 11.55 15.615 22.734 1.892 C CB PRO 65 ATOM C CB PRO 2 5 1.00 1 C 11.55 16.951 22.189 2.279 C CG PRO 65 ATOM C CG PRO 2 5 1.00 1 C 11.55 16.808 21.850 3.742 C CD PRO 65 ATOM C CD PRO 2 5 1.00 1 C 9.96 13.102 20.952 1.076 C N GLY 66 ATOM C N GLY 2 6 1.00 1 N 9.96 12.479 19.874 0.334 C CA GLY 66 ATOM C CA GLY 2 6 1.00 1 C 9.96 13.226 19.430 -0.900 C C GLY 66 ATOM C C GLY 2 6 1.00 1 C 9.96 14.206 20.054 -1.286 C O GLY 66 ATOM C O GLY 2 6 1.00 1 O 21.19 3.682 22.541 11.236 A C ACY 401 HETATM D C ACY 3 1.00 1 C 21.19 2.807 23.097 10.553 A O ACY 401 HETATM D O ACY 3 1.00 1 O 21.19 4.306 23.101 12.291 A OXT ACY 401 HETATM D OXT ACY 3 1.00 1 O 21.19 4.134 21.141 10.915 A CH3 ACY 401 HETATM D CH3 ACY 3 1.00 1 C 38.32 19.091 22.160 7.837 C C ACY 402 HETATM E C ACY 3 1.00 1 C 38.32 19.334 21.755 6.694 C O ACY 402 HETATM E O ACY 3 1.00 1 O 38.32 18.633 21.338 8.768 C OXT ACY 402 HETATM E OXT ACY 3 1.00 1 O 38.32 19.293 23.618 8.266 C CH3 ACY 402 HETATM E CH3 ACY 3 1.00 1 C 28.97 5.594 21.889 15.805 A O HOH 101 HETATM F O HOH 4 1.00 1 O 22.47 7.355 25.253 16.293 A O HOH 102 HETATM F O HOH 4 1.00 1 O 29.02 6.457 20.993 12.327 A O HOH 103 HETATM F O HOH 4 1.00 1 O 30.44 7.423 26.270 8.119 A O HOH 104 HETATM F O HOH 4 1.00 1 O 23.32 11.373 26.588 6.950 A O HOH 105 HETATM F O HOH 4 1.00 1 O 5.05 7.408 25.371 4.091 A O HOH 106 HETATM F O HOH 4 1.00 1 O 21.02 13.153 27.296 -0.172 A O HOH 107 HETATM F O HOH 4 1.00 1 O 11.17 15.664 24.810 -1.390 A O HOH 108 HETATM F O HOH 4 1.00 1 O 9.23 12.152 26.921 -4.540 A O HOH 109 HETATM F O HOH 4 1.00 1 O 14.40 5.473 23.666 4.098 A O HOH 201 HETATM F O HOH 4 1.00 1 O 7.43 4.187 25.027 5.974 A O HOH 204 HETATM F O HOH 4 1.00 1 O 23.97 17.417 23.063 -0.970 A O HOH 209 HETATM F O HOH 4 1.00 1 O 17.32 3.280 23.836 8.294 A O HOH 218 HETATM F O HOH 4 1.00 1 O 26.00 16.159 26.500 -3.605 A O HOH 220 HETATM F O HOH 4 1.00 1 O 16.81 17.060 26.756 1.465 A O HOH 241 HETATM F O HOH 4 1.00 1 O 21.62 9.783 28.384 5.130 A O HOH 244 HETATM F O HOH 4 1.00 1 O 23.05 10.552 28.648 13.053 A O HOH 245 HETATM F O HOH 4 1.00 1 O 13.59 13.443 15.615 12.881 B O HOH 111 HETATM G O HOH 4 1.00 1 O 27.99 9.758 16.818 12.994 B O HOH 112 HETATM G O HOH 4 1.00 1 O 23.25 12.963 16.325 9.228 B O HOH 113 HETATM G O HOH 4 1.00 1 O 24.12 5.878 20.610 4.485 B O HOH 115 HETATM G O HOH 4 1.00 1 O 47.48 8.848 16.145 2.532 B O HOH 116 HETATM G O HOH 4 1.00 1 O 23.11 6.144 15.504 5.728 B O HOH 242 HETATM G O HOH 4 1.00 1 O 28.60 9.269 14.976 15.672 B O HOH 246 HETATM G O HOH 4 1.00 1 O 26.87 6.015 15.569 15.283 B O HOH 247 HETATM G O HOH 4 1.00 1 O 27.03 18.638 24.296 11.397 C O HOH 121 HETATM H O HOH 4 1.00 1 O 25.94 16.444 20.463 10.447 C O HOH 122 HETATM H O HOH 4 1.00 1 O 19.70 16.295 24.230 6.930 C O HOH 123 HETATM H O HOH 4 1.00 1 O 31.73 17.331 17.619 2.413 C O HOH 124 HETATM H O HOH 4 1.00 1 O 53.43 13.985 16.977 0.817 C O HOH 125 HETATM H O HOH 4 1.00 1 O 9.43 16.914 19.363 -0.910 C O HOH 126 HETATM H O HOH 4 1.00 1 O 17.29 21.595 24.992 9.644 C O HOH 202 HETATM H O HOH 4 1.00 1 O 7.90 13.466 14.688 2.583 C O HOH 205 HETATM H O HOH 4 1.00 1 O 22.05 16.622 16.376 -0.560 C O HOH 208 HETATM H O HOH 4 1.00 1 O 20.07 17.034 27.356 9.718 C O HOH 210 HETATM H O HOH 4 1.00 1 O 13.40 18.532 26.812 12.585 C O HOH 243 HETATM H O HOH 4 1.00 1 O 22.69 20.598 27.021 8.450 C O HOH 248 HETATM H O HOH 4 1.00 1 O 0.037286 0.000000 0.000000 0.000000 0.038037 0.000000 0.000000 0.000000 0.049554 0.00000 0.00000 0.00000 Kramer, R.Z. Vitagliano, L. Bella, J. Berisio, R. Mazzarella, L. Brodsky, B. Zagari, A. Berman, H.M. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 26.820 26.290 20.180 C2 H4 O2 60.052 ACETIC ACID non-polymer C2 H5 N O2 75.067 y GLYCINE peptide linking H2 O 18.015 WATER non-polymer C5 H9 N O2 115.130 y PROLINE L-peptide linking N 1 N C N 2 N O N 3 N O N 4 N C N 5 N H N 6 N H N 7 N H N 8 N H N 9 N N N 10 N C N 11 N C N 12 N O N 13 N O N 14 N H N 15 N H N 16 N H N 17 N H N 18 N H N 19 N O N 20 N H N 21 N H N 22 N N N 23 S C N 24 N C N 25 N O N 26 N C N 27 N C N 28 N C N 29 N O N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N H N 1 N doub N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N sing N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N doub N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N sing N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N doub N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N sing N 34 N sing N 35 N sing UK J.Mol.Biol. JMOBAK 0070 0022-2836 280 623 638 10.1006/jmbi.1998.1881 9677293 X-ray crystallographic determination of a collagen-like peptide with the repeating sequence (Pro-Pro-Gly). 1998 10.2210/pdb1a3i/pdb pdb_00001a3i 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 0.00000 0.00000 20.18000 259.0 1 DIFFRACTOMETER 1991-10 ENRAF-NONIUS FAST M x-ray 1 1.5418 1.0 1.5418 771.859 COLLAGEN-LIKE PEPTIDE 1 man polymer 520.578 COLLAGEN-LIKE PEPTIDE 2 man polymer 60.052 ACETIC ACID 2 syn non-polymer 18.015 water 37 nat water no no PPGPPGPPG PPGPPGPPG A polypeptide(L) no no PPGPPG PPGPPG B,C polypeptide(L) n n n n n n n n n n n n n n n 1 1.95 36.82 PEPTIDE WAS CRYSTALLIZED FROM 4.0 MG/ML PEPTIDE IN 10% ACETIC ACID, 0.1% SODIUM AZIDE, AND 3.0% PEG400. diffrn_detector pdbx_database_status chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model struct_conn struct_site repository Initial release Version format compliance Version format compliance Data collection Other Data collection Database references Derived calculations Refinement description 1 0 1998-05-06 1 1 2008-03-24 1 2 2011-07-13 1 3 2018-04-18 1 4 2024-04-03 _diffrn_detector.detector _pdbx_database_status.process_site _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.pdbx_dist_value _struct_conn.pdbx_leaving_atom_flag _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr1_symmetry _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_symmetry _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id Y BNL 1998-01-22 REL REL ACY ACETIC ACID HOH water HYDROGEN BONDS BETWEEN PEPTIDE CHAINS FOLLOW THE RICH AND CRICK MODEL II FOR COLLAGEN. FOR EACH CHAIN, RESIDUE NUMBERING CORRESPONDS TO THE ENTIRE MOLECULE RATHER THAN THE SHORTER ASYMMETRIC UNIT. IDEALIZED SEVEN-FOLD TRIPLE-HELIX Other in silico model ACY 401 3 ACY ACY 401 A ACY 402 3 ACY ACY 402 C HOH 101 4 HOH HOH 101 A HOH 102 4 HOH HOH 102 A HOH 103 4 HOH HOH 103 A HOH 104 4 HOH HOH 104 A HOH 105 4 HOH HOH 105 A HOH 106 4 HOH HOH 106 A HOH 107 4 HOH HOH 107 A HOH 108 4 HOH HOH 108 A HOH 109 4 HOH HOH 109 A HOH 201 4 HOH HOH 201 A HOH 204 4 HOH HOH 204 A HOH 209 4 HOH HOH 209 A HOH 218 4 HOH HOH 218 A HOH 220 4 HOH HOH 220 A HOH 241 4 HOH HOH 241 A HOH 244 4 HOH HOH 244 A HOH 245 4 HOH HOH 245 A HOH 111 4 HOH HOH 111 B HOH 112 4 HOH HOH 112 B HOH 113 4 HOH HOH 113 B HOH 115 4 HOH HOH 115 B HOH 116 4 HOH HOH 116 B HOH 242 4 HOH HOH 242 B HOH 246 4 HOH HOH 246 B HOH 247 4 HOH HOH 247 B HOH 121 4 HOH HOH 121 C HOH 122 4 HOH HOH 122 C HOH 123 4 HOH HOH 123 C HOH 124 4 HOH HOH 124 C HOH 125 4 HOH HOH 125 C HOH 126 4 HOH HOH 126 C HOH 202 4 HOH HOH 202 C HOH 205 4 HOH HOH 205 C HOH 208 4 HOH HOH 208 C HOH 210 4 HOH HOH 210 C HOH 243 4 HOH HOH 243 C HOH 248 4 HOH HOH 248 C PRO 1 n 1 PRO 1 A PRO 2 n 2 PRO 2 A GLY 3 n 3 GLY 3 A PRO 4 n 4 PRO 4 A PRO 5 n 5 PRO 5 A GLY 6 n 6 GLY 6 A PRO 7 n 7 PRO 7 A PRO 8 n 8 PRO 8 A GLY 9 n 9 GLY 9 A PRO 31 n 1 PRO 31 B PRO 32 n 2 PRO 32 B GLY 33 n 3 GLY 33 B PRO 34 n 4 PRO 34 B PRO 35 n 5 PRO 35 B GLY 36 n 6 GLY 36 B PRO 61 n 1 PRO 61 C PRO 62 n 2 PRO 62 C GLY 63 n 3 GLY 63 C PRO 64 n 4 PRO 64 C PRO 65 n 5 PRO 65 C GLY 66 n 6 GLY 66 C author_defined_assembly 15 pentadecameric 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 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_556 x,y,z+1 crystal symmetry operation 0.0000000000 0.0000000000 20.1800000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_557 x,y,z+2 crystal symmetry operation 0.0000000000 0.0000000000 40.3600000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_558 x,y,z+3 crystal symmetry operation 0.0000000000 0.0000000000 60.5400000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_559 x,y,z+4 crystal symmetry operation 0.0000000000 0.0000000000 80.7200000000 1 A PRO 2 -56.35 171.52 1 A PRO 5 -47.11 164.30 PARHCSDX.PRO TOPHCSDX.PRO 15.9 DUE TO THE QUASI-INFINITE, AVERAGED NATURE OF THE TRIPLE HELIX, DURING REFINEMENT COVALENT BONDS ARE NECESSARY TO JOIN THE MOLECULE WITH ITS SYMMETRY MATES BOTH ABOVE IT AND BELOW IT ALONG THE HELICAL AXIS AND TIGHT REFINEMENT CONSTRAINTS WERE MAINTAINED. THE UNIT CELL AXES WERE CHOSEN TO COINCIDE WITH A PREVIOUS STRUCTURE DETERMINATION (OKUYAMA 1981) OF THIS PEPTIDE. 0.1810000 0.1810000 1.97 8. 861 76.7 1000000. 0.1 1 GROUP 2. MOLECULAR REPLACEMENT IDEALIZED SEVEN-FOLD TRIPLE-HELIX 1.97 8. 45 171 0 0 126 0.01 2.07 2.11 0.2200000 2.04 69 10 63.3 1.97 1A3I 1136 0. 1 99.5 1.97 2.2 98. model building X-PLOR 3.1 refinement LALS data reduction MOLEN phasing X-PLOR 3.1 refinement X-PLOR X-RAY CRYSTALLOGRAPHIC DETERMINATION OF A COLLAGEN-LIKE PEPTIDE WITH THE REPEATING SEQUENCE (PRO-PRO-GLY) 1 N N 2 N N 2 N N 3 N N 3 N N 4 N N 4 N N 4 N N THE 21 RESIDUE ASYMMETRIC UNIT CORRESPONDS TO ONE TRIPLE-HELICAL REPEAT AND IS SMALLER THAN THE ENTIRE 90 RESIDUE PEPTIDE DUE TO TRANSLATIONAL DISORDER ALONG THE HELICAL AXIS. THE RESULT IS A POLYMER-LIKE STRUCTURE WITH NO DEFINED ENDS. THE POLYMER STRUCTURE IS FORMED BY CONTINUATION OF THE CHAINS USING THE SYMMETRY-RELATED MOLECULES ALONG THE HELICAL AXIS. THE TVECT RECORD BELOW PRESENTS THE TRANSLATION THAT WILL GENERATE THE POLYMER. NOTE: THEREFORE, CLOSE CONTACTS BETWEEN SYMMETRY-RELATED MOLECULES ARE INTENTIONAL AND NECESSARY. INTERCHAIN HYDROGEN BONDING AT THE END OF CHAINS ALSO UTILIZES SYMMETRY-RELATED MOLECULES. THE ENTIRE 30 RESIDUE LONG PEPTIDE CAN BE GENERATED FROM THE SUBMITTED ASYMMETRIC UNIT BY APPLYING THE FOLLOWING TRANSLATIONS (USING FRACTIONAL COORDINATES): CHAIN A: TRANSLATE RESIDUES 1 - 9 BY (0 0 1), (0 0 2), AND (0 0 3) AND RESIDUES 7 - 9 BY (0 0 4). CHAIN B: TRANSLATE RESIDUES 31 - 36 BY (0 0 1), (0 0 2), AND (0 0 3). CHAIN C: TRANSLATE RESIDUES 61 - 66 BY (0 0 1), (0 0 2), AND (0 0 3) AND RESIDUES 64 - 66 BY (004). THIS WILL RESULT IN A MOLECULE WITH A TOTAL OF 90 RESIDUES, 30 IN EACH CHAIN. covale 1.340 both A PRO 1 A N PRO 1 1_555 B GLY 36 B C GLY 6 1_556 covale 1.309 both A GLY 9 A C GLY 9 1_556 C PRO 61 C N PRO 1 1_555 covale 1.328 both B PRO 31 B N PRO 1 1_555 C GLY 66 C C GLY 6 1_556 EXTRACELLULAR MATRIX COLLAGEN, EXTRACELLULAR MATRIX 1A3I PDB 1 1A3I 1A3I PDB 2 1A3I 1 9 1A3I 1 9 1A3I A 1 1 9 31 36 1A3I 31 36 1A3I B 2 1 6 61 66 1A3I 61 66 1A3I C 2 1 6 BINDING SITE FOR RESIDUE ACY A 401 A ACY 401 Software 7 BINDING SITE FOR RESIDUE ACY C 402 C ACY 402 Software 5 A PRO 5 A PRO 5 7 1_555 A PRO 8 A PRO 8 7 2_575 A HOH 103 F HOH 7 1_555 A HOH 218 F HOH 7 1_555 C PRO 64 C PRO 4 7 4_466 C HOH 122 H HOH 7 4_466 C ACY 402 E ACY 7 4_466 A ACY 401 D ACY 5 4_566 B PRO 34 B PRO 4 5 4_566 B HOH 247 G HOH 5 4_566 C HOH 122 H HOH 5 1_555 C HOH 202 H HOH 5 1_555 19 P 21 21 21