0.026525 0.000648 0.006703 0.000000 0.025518 0.003295 0.000000 0.000000 0.019525 0.00000 0.00000 0.00000 Cheng, Y.S. Hsia, K.C. Doudeva, L.G. Chak, K.F. Yuan, H.S. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 2 96.80 103.90 91.40 37.700 39.200 53.200 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE 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 C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking O4 P -3 94.971 PHOSPHATE ION non-polymer C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking Zn 2 65.409 ZINC ION non-polymer N 1 N N N 2 S C N 3 N C N 4 N O N 5 N C N 6 N O N 7 N H N 8 N H N 9 N H N 10 N H N 11 N H N 12 N H N 13 N H N 14 N N N 15 S C N 16 N C N 17 N O N 18 N C N 19 N C N 20 N C N 21 N N N 22 N C N 23 N N N 24 N N N 25 N O N 26 N H N 27 N H N 28 N H N 29 N H 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 39 N H N 40 N H N 41 N N N 42 S C N 43 N C N 44 N O N 45 N C N 46 N C N 47 N O N 48 N N N 49 N O N 50 N H N 51 N H N 52 N H N 53 N H N 54 N H N 55 N H N 56 N H N 57 N H N 58 N N N 59 S C N 60 N C N 61 N O N 62 N C N 63 N C N 64 N O N 65 N O N 66 N O N 67 N H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N H N 74 N N N 75 S C N 76 N C N 77 N O N 78 N C N 79 N C N 80 N C N 81 N O N 82 N N N 83 N O N 84 N H N 85 N H N 86 N H N 87 N H N 88 N H N 89 N H N 90 N H N 91 N H N 92 N H N 93 N H N 94 N N N 95 S C N 96 N C N 97 N O N 98 N C N 99 N C N 100 N C N 101 N O N 102 N O N 103 N O N 104 N H N 105 N H N 106 N H N 107 N H N 108 N H N 109 N H N 110 N H N 111 N H N 112 N H N 113 N N N 114 N C N 115 N C N 116 N O N 117 N O N 118 N H N 119 N H N 120 N H N 121 N H N 122 N H N 123 N N N 124 S C N 125 N C N 126 N O N 127 N C Y 128 N C Y 129 N N Y 130 N C Y 131 N C Y 132 N N N 133 N O N 134 N H N 135 N H N 136 N H N 137 N H N 138 N H N 139 N H N 140 N H N 141 N H N 142 N H N 143 N H N 144 N O N 145 N H N 146 N H N 147 N N N 148 S C N 149 N C N 150 N O N 151 S C N 152 N C N 153 N C N 154 N C N 155 N O N 156 N H N 157 N H N 158 N H N 159 N H N 160 N H N 161 N H N 162 N H N 163 N H N 164 N H N 165 N H N 166 N H N 167 N H N 168 N H N 169 N N N 170 S C N 171 N C N 172 N O N 173 N C N 174 N C N 175 N C N 176 N C N 177 N O N 178 N H N 179 N H N 180 N H N 181 N H N 182 N H N 183 N H N 184 N H N 185 N H N 186 N H N 187 N H N 188 N H N 189 N H N 190 N H N 191 N N N 192 S C N 193 N C N 194 N O N 195 N C N 196 N C N 197 N C N 198 N C N 199 N N N 200 N O N 201 N H N 202 N H N 203 N H N 204 N H N 205 N H N 206 N H N 207 N H N 208 N H N 209 N H N 210 N H N 211 N H N 212 N H N 213 N H N 214 N H N 215 N H N 216 N N N 217 S C N 218 N C N 219 N O N 220 N C N 221 N C N 222 N S N 223 N C N 224 N O N 225 N H N 226 N H N 227 N H N 228 N H N 229 N H N 230 N H N 231 N H N 232 N H N 233 N H N 234 N H N 235 N H N 236 N N N 237 S C N 238 N C N 239 N O N 240 N C Y 241 N C Y 242 N C Y 243 N C Y 244 N C Y 245 N C Y 246 N C N 247 N O N 248 N H N 249 N H N 250 N H N 251 N H N 252 N H N 253 N H N 254 N H N 255 N H N 256 N H N 257 N H N 258 N H N 259 N P N 260 N O N 261 N O N 262 N O N 263 N O N 264 N N N 265 S C N 266 N C N 267 N O N 268 N C N 269 N C N 270 N C N 271 N O N 272 N H N 273 N H N 274 N H N 275 N H N 276 N H N 277 N H N 278 N H N 279 N H N 280 N H N 281 N N N 282 S C N 283 N C N 284 N O N 285 N C N 286 N O N 287 N O N 288 N H N 289 N H N 290 N H N 291 N H N 292 N H N 293 N H N 294 N H N 295 N N N 296 S C N 297 N C N 298 N O N 299 R C N 300 N O N 301 N C N 302 N O N 303 N H N 304 N H N 305 N H N 306 N H N 307 N H N 308 N H N 309 N H N 310 N H N 311 N H N 312 N N N 313 S C N 314 N C N 315 N O N 316 N C Y 317 N C Y 318 N C Y 319 N C Y 320 N N Y 321 N C Y 322 N C Y 323 N C Y 324 N C Y 325 N C N 326 N O N 327 N H N 328 N H N 329 N H N 330 N H N 331 N H N 332 N H N 333 N H N 334 N H N 335 N H N 336 N H N 337 N H N 338 N H N 339 N N N 340 S C N 341 N C N 342 N O N 343 N C Y 344 N C Y 345 N C Y 346 N C Y 347 N C Y 348 N C Y 349 N C N 350 N O N 351 N O N 352 N H N 353 N H N 354 N H N 355 N H N 356 N H N 357 N H N 358 N H N 359 N H N 360 N H N 361 N H N 362 N H N 363 N N N 364 S C N 365 N C N 366 N O N 367 N C N 368 N C N 369 N C N 370 N O N 371 N H N 372 N H N 373 N H N 374 N H N 375 N H N 376 N H N 377 N H N 378 N H N 379 N H N 380 N H N 381 N H N 382 N ZN N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N doub 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 sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N doub N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing 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 doub N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N doub N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N doub N 51 N sing N 52 N sing N 53 N sing N 54 N sing N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N doub N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N doub N 67 N sing N 68 N sing N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N doub N 77 N sing N 78 N sing N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N doub N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N doub N 96 N sing N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N doub N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N doub N 114 N sing N 115 N sing N 116 N sing N 117 N sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N doub N 123 N sing N 124 N sing N 125 N sing N 126 N sing Y 127 N sing Y 128 N doub Y 129 N doub N 130 N sing Y 131 N sing N 132 N sing Y 133 N sing N 134 N sing N 135 N sing N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N sing N 145 N doub N 146 N sing N 147 N sing N 148 N sing N 149 N sing N 150 N sing N 151 N sing N 152 N sing N 153 N sing N 154 N sing N 155 N sing N 156 N sing N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N sing N 165 N sing N 166 N doub N 167 N sing N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing N 177 N sing N 178 N sing N 179 N sing N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N doub N 188 N sing N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing N 194 N sing N 195 N sing N 196 N sing N 197 N sing N 198 N sing N 199 N sing N 200 N sing N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N sing N 210 N sing N 211 N doub N 212 N sing N 213 N sing N 214 N sing N 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N sing N 221 N sing N 222 N sing N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N doub N 231 N sing N 232 N sing N 233 N sing N 234 N sing Y 235 N doub Y 236 N sing Y 237 N sing N 238 N sing Y 239 N doub N 240 N sing Y 241 N doub N 242 N sing Y 243 N sing N 244 N sing N 245 N sing N 246 N sing N 247 N doub N 248 N sing N 249 N sing N 250 N sing N 251 N sing N 252 N sing N 253 N sing N 254 N sing N 255 N sing N 256 N sing N 257 N doub N 258 N sing N 259 N sing N 260 N sing N 261 N sing N 262 N sing N 263 N sing N 264 N sing N 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N sing N 273 N sing N 274 N doub N 275 N sing N 276 N sing N 277 N sing N 278 N sing N 279 N sing N 280 N sing N 281 N sing N 282 N sing N 283 N sing N 284 N sing N 285 N sing N 286 N sing N 287 N doub N 288 N sing N 289 N sing N 290 N sing N 291 N sing N 292 N sing N 293 N sing N 294 N sing N 295 N sing N 296 N sing N 297 N sing N 298 N sing N 299 N sing N 300 N sing N 301 N sing N 302 N sing N 303 N doub N 304 N sing N 305 N sing N 306 N sing N 307 N sing Y 308 N doub Y 309 N sing Y 310 N sing N 311 N sing Y 312 N doub Y 313 N sing Y 314 N sing N 315 N sing Y 316 N sing Y 317 N doub N 318 N sing Y 319 N doub N 320 N sing Y 321 N sing N 322 N sing N 323 N sing N 324 N sing N 325 N sing N 326 N sing N 327 N sing N 328 N sing N 329 N sing N 330 N sing N 331 N doub N 332 N sing N 333 N sing N 334 N sing N 335 N sing Y 336 N doub Y 337 N sing Y 338 N sing N 339 N sing Y 340 N doub N 341 N sing Y 342 N doub N 343 N sing Y 344 N sing N 345 N sing N 346 N sing N 347 N sing N 348 N sing N 349 N sing N 350 N sing N 351 N sing N 352 N sing N 353 N sing N 354 N sing N 355 N doub N 356 N sing N 357 N sing N 358 N sing N 359 N sing N 360 N sing N 361 N sing N 362 N sing N 363 N sing N 364 N sing N 365 N sing N 366 N sing UK J.mol.biol. JMOBAK 0070 0022-2836 324 227 236 10.1016/S0022-2836(02)01092-6 12441102 The Crystal Structure of the Nuclease Domain of Colicin E7 Suggests a Mechanism for Binding to Double-stranded DNA by the H-N-H Endonucleases 2002 UK Structure STRUE6 2005 0969-2126 7 91 102 10.1016/S0969-2126(99)80012-4 The crystal structure of the DNase domain of colicin E7 in complex with its inhibitor Im7 protein 1999 10.2210/pdb1m08/pdb pdb_00001m08 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 120 1 mirrors IMAGE PLATE 2001-08-08 RIGAKU RAXIS II SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RU300 15064.120 Colicin E7 3.1.-.- Nuclease Domain 2 man polymer 65.409 ZINC ION 2 syn non-polymer 94.971 PHOSPHATE ION 2 syn non-polymer 18.015 water 224 nat water no no MRNKPGKATGKGKPVNNKWLNNAGKDLGSPVPDRIANKLRDKEFKSFDDFRKKFWEEVSKDPELSKQFSRNNNDRMKVGK APKTRTQDVSGKRTSFELHHEKPISQNGGVYDMDNISVVTPKRHIDIHRGK MRNKPGKATGKGKPVNNKWLNNAGKDLGSPVPDRIANKLRDKEFKSFDDFRKKFWEEVSKDPELSKQFSRNNNDRMKVGK APKTRTQDVSGKRTSFELHHEKPISQNGGVYDMDNISVVTPKRHIDIHRGK A,B polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n Escherichia Escherichia coli W3110 Escherichia sample COLE7 or CEA 316407 Escherichia coli str. K12 substr. 562 Escherichia coli M15 plasmid pQE70 1 2.4 48.5 VAPOR DIFFUSION, HANGING DROP 7.0 sodium phosphate, Sodium Chloride, zinc chloride, ammonium acetate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K 298.0 database_2 struct_conn struct_ref_seq_dif struct_site chem_comp_atom chem_comp_bond pdbx_initial_refinement_model repository Initial release Version format compliance Source and taxonomy Version format compliance Database references Derived calculations Data collection Refinement description 1 0 2002-12-11 1 1 2008-04-28 1 2 2011-07-13 1 3 2022-12-21 1 4 2023-11-08 _database_2.pdbx_DOI _database_2.pdbx_database_accession _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.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_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id 7CEI contains the complex structure between the nuclease domain of ColE7 and its Inhibitor Im7 Protein 1CEI contains the crystal structure of the Im7 protein BIOMOLECULE: 1 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 2 CHAIN(S). These two chains represent the biological dimer, or two biological monomers. RCSB Y PDBJ 2002-06-12 REL ZN ZINC ION PO4 PHOSPHATE ION HOH water 7CEI PDB experimental model ZN2 600 2 ZN ZN 600 A PO4 601 3 PO4 PO4 601 A ZN2 600 2 ZN ZN 600 B PO4 601 3 PO4 PO4 601 B HOH 713 4 HOH HOH 713 A HOH 728 4 HOH HOH 728 A HOH 751 4 HOH HOH 751 A HOH 760 4 HOH HOH 760 A HOH 761 4 HOH HOH 761 A HOH 770 4 HOH HOH 770 A HOH 805 4 HOH HOH 805 A HOH 812 4 HOH HOH 812 A HOH 813 4 HOH HOH 813 A HOH 814 4 HOH HOH 814 A HOH 815 4 HOH HOH 815 A HOH 816 4 HOH HOH 816 A HOH 817 4 HOH HOH 817 A HOH 818 4 HOH HOH 818 A HOH 819 4 HOH HOH 819 A HOH 820 4 HOH HOH 820 A HOH 821 4 HOH HOH 821 A HOH 822 4 HOH HOH 822 A HOH 823 4 HOH HOH 823 A HOH 824 4 HOH HOH 824 A HOH 825 4 HOH HOH 825 A HOH 826 4 HOH HOH 826 A HOH 827 4 HOH HOH 827 A HOH 828 4 HOH HOH 828 A HOH 829 4 HOH HOH 829 A HOH 830 4 HOH HOH 830 A HOH 831 4 HOH HOH 831 A HOH 832 4 HOH HOH 832 A HOH 833 4 HOH HOH 833 A HOH 834 4 HOH HOH 834 A HOH 835 4 HOH HOH 835 A HOH 836 4 HOH HOH 836 A HOH 838 4 HOH HOH 838 A HOH 839 4 HOH HOH 839 A HOH 840 4 HOH HOH 840 A HOH 841 4 HOH HOH 841 A HOH 842 4 HOH HOH 842 A HOH 843 4 HOH HOH 843 A HOH 844 4 HOH HOH 844 A HOH 845 4 HOH HOH 845 A HOH 846 4 HOH HOH 846 A HOH 847 4 HOH HOH 847 A HOH 848 4 HOH HOH 848 A HOH 849 4 HOH HOH 849 A HOH 850 4 HOH HOH 850 A HOH 851 4 HOH HOH 851 A HOH 853 4 HOH HOH 853 A HOH 854 4 HOH HOH 854 A HOH 855 4 HOH HOH 855 A HOH 856 4 HOH HOH 856 A HOH 857 4 HOH HOH 857 A HOH 858 4 HOH HOH 858 A HOH 859 4 HOH HOH 859 A HOH 860 4 HOH HOH 860 A HOH 861 4 HOH HOH 861 A HOH 862 4 HOH HOH 862 A HOH 863 4 HOH HOH 863 A HOH 864 4 HOH HOH 864 A HOH 865 4 HOH HOH 865 A HOH 866 4 HOH HOH 866 A HOH 867 4 HOH HOH 867 A HOH 868 4 HOH HOH 868 A HOH 869 4 HOH HOH 869 A HOH 870 4 HOH HOH 870 A HOH 871 4 HOH HOH 871 A HOH 872 4 HOH HOH 872 A HOH 873 4 HOH HOH 873 A HOH 874 4 HOH HOH 874 A HOH 875 4 HOH HOH 875 A HOH 876 4 HOH HOH 876 A HOH 877 4 HOH HOH 877 A HOH 878 4 HOH HOH 878 A HOH 879 4 HOH HOH 879 A HOH 880 4 HOH HOH 880 A HOH 881 4 HOH HOH 881 A HOH 882 4 HOH HOH 882 A HOH 883 4 HOH HOH 883 A HOH 884 4 HOH HOH 884 A HOH 885 4 HOH HOH 885 A HOH 886 4 HOH HOH 886 A HOH 887 4 HOH HOH 887 A HOH 888 4 HOH HOH 888 A HOH 889 4 HOH HOH 889 A HOH 890 4 HOH HOH 890 A HOH 891 4 HOH HOH 891 A HOH 892 4 HOH HOH 892 A HOH 893 4 HOH HOH 893 A HOH 894 4 HOH HOH 894 A HOH 895 4 HOH HOH 895 A HOH 896 4 HOH HOH 896 A HOH 897 4 HOH HOH 897 A HOH 902 4 HOH HOH 902 A HOH 903 4 HOH HOH 903 A HOH 905 4 HOH HOH 905 A HOH 906 4 HOH HOH 906 A HOH 907 4 HOH HOH 907 A HOH 909 4 HOH HOH 909 A HOH 913 4 HOH HOH 913 A HOH 914 4 HOH HOH 914 A HOH 916 4 HOH HOH 916 A HOH 917 4 HOH HOH 917 A HOH 920 4 HOH HOH 920 A HOH 921 4 HOH HOH 921 A HOH 922 4 HOH HOH 922 A HOH 701 4 HOH HOH 701 B HOH 702 4 HOH HOH 702 B HOH 703 4 HOH HOH 703 B HOH 704 4 HOH HOH 704 B HOH 705 4 HOH HOH 705 B HOH 706 4 HOH HOH 706 B HOH 707 4 HOH HOH 707 B HOH 708 4 HOH HOH 708 B HOH 709 4 HOH HOH 709 B HOH 710 4 HOH HOH 710 B HOH 711 4 HOH HOH 711 B HOH 712 4 HOH HOH 712 B HOH 714 4 HOH HOH 714 B HOH 715 4 HOH HOH 715 B HOH 716 4 HOH HOH 716 B HOH 717 4 HOH HOH 717 B HOH 718 4 HOH HOH 718 B HOH 719 4 HOH HOH 719 B HOH 720 4 HOH HOH 720 B HOH 721 4 HOH HOH 721 B HOH 722 4 HOH HOH 722 B HOH 723 4 HOH HOH 723 B HOH 724 4 HOH HOH 724 B HOH 725 4 HOH HOH 725 B HOH 726 4 HOH HOH 726 B HOH 727 4 HOH HOH 727 B HOH 729 4 HOH HOH 729 B HOH 730 4 HOH HOH 730 B HOH 731 4 HOH HOH 731 B HOH 732 4 HOH HOH 732 B HOH 733 4 HOH HOH 733 B HOH 734 4 HOH HOH 734 B HOH 735 4 HOH HOH 735 B HOH 736 4 HOH HOH 736 B HOH 737 4 HOH HOH 737 B HOH 738 4 HOH HOH 738 B HOH 739 4 HOH HOH 739 B HOH 740 4 HOH HOH 740 B HOH 741 4 HOH HOH 741 B HOH 742 4 HOH HOH 742 B HOH 743 4 HOH HOH 743 B HOH 744 4 HOH HOH 744 B HOH 745 4 HOH HOH 745 B HOH 746 4 HOH HOH 746 B HOH 747 4 HOH HOH 747 B HOH 748 4 HOH HOH 748 B HOH 749 4 HOH HOH 749 B HOH 750 4 HOH HOH 750 B HOH 752 4 HOH HOH 752 B HOH 753 4 HOH HOH 753 B HOH 754 4 HOH HOH 754 B HOH 755 4 HOH HOH 755 B HOH 756 4 HOH HOH 756 B HOH 757 4 HOH HOH 757 B HOH 758 4 HOH HOH 758 B HOH 759 4 HOH HOH 759 B HOH 762 4 HOH HOH 762 B HOH 763 4 HOH HOH 763 B HOH 764 4 HOH HOH 764 B HOH 765 4 HOH HOH 765 B HOH 766 4 HOH HOH 766 B HOH 767 4 HOH HOH 767 B HOH 768 4 HOH HOH 768 B HOH 769 4 HOH HOH 769 B HOH 771 4 HOH HOH 771 B HOH 772 4 HOH HOH 772 B HOH 773 4 HOH HOH 773 B HOH 774 4 HOH HOH 774 B HOH 775 4 HOH HOH 775 B HOH 776 4 HOH HOH 776 B HOH 777 4 HOH HOH 777 B HOH 778 4 HOH HOH 778 B HOH 779 4 HOH HOH 779 B HOH 780 4 HOH HOH 780 B HOH 781 4 HOH HOH 781 B HOH 782 4 HOH HOH 782 B HOH 783 4 HOH HOH 783 B HOH 784 4 HOH HOH 784 B HOH 785 4 HOH HOH 785 B HOH 786 4 HOH HOH 786 B HOH 787 4 HOH HOH 787 B HOH 788 4 HOH HOH 788 B HOH 789 4 HOH HOH 789 B HOH 790 4 HOH HOH 790 B HOH 791 4 HOH HOH 791 B HOH 792 4 HOH HOH 792 B HOH 793 4 HOH HOH 793 B HOH 794 4 HOH HOH 794 B HOH 795 4 HOH HOH 795 B HOH 796 4 HOH HOH 796 B HOH 797 4 HOH HOH 797 B HOH 798 4 HOH HOH 798 B HOH 799 4 HOH HOH 799 B HOH 800 4 HOH HOH 800 B HOH 801 4 HOH HOH 801 B HOH 802 4 HOH HOH 802 B HOH 803 4 HOH HOH 803 B HOH 804 4 HOH HOH 804 B HOH 806 4 HOH HOH 806 B HOH 807 4 HOH HOH 807 B HOH 808 4 HOH HOH 808 B HOH 809 4 HOH HOH 809 B HOH 810 4 HOH HOH 810 B HOH 811 4 HOH HOH 811 B HOH 837 4 HOH HOH 837 B HOH 852 4 HOH HOH 852 B HOH 898 4 HOH HOH 898 B HOH 899 4 HOH HOH 899 B HOH 900 4 HOH HOH 900 B HOH 901 4 HOH HOH 901 B HOH 904 4 HOH HOH 904 B HOH 908 4 HOH HOH 908 B HOH 910 4 HOH HOH 910 B HOH 911 4 HOH HOH 911 B HOH 912 4 HOH HOH 912 B HOH 915 4 HOH HOH 915 B HOH 918 4 HOH HOH 918 B HOH 919 4 HOH HOH 919 B HOH 923 4 HOH HOH 923 B HOH 924 4 HOH HOH 924 B MET 446 n 1 MET 446 A ARG 447 n 2 ARG 447 A ASN 448 n 3 ASN 448 A LYS 449 n 4 LYS 449 A PRO 450 n 5 PRO 450 A GLY 451 n 6 GLY 451 A LYS 452 n 7 LYS 452 A ALA 453 n 8 ALA 453 A THR 454 n 9 THR 454 A GLY 455 n 10 GLY 455 A LYS 456 n 11 LYS 456 A GLY 457 n 12 GLY 457 A LYS 458 n 13 LYS 458 A PRO 459 n 14 PRO 459 A VAL 460 n 15 VAL 460 A ASN 461 n 16 ASN 461 A ASN 462 n 17 ASN 462 A LYS 463 n 18 LYS 463 A TRP 464 n 19 TRP 464 A LEU 465 n 20 LEU 465 A ASN 466 n 21 ASN 466 A ASN 467 n 22 ASN 467 A ALA 468 n 23 ALA 468 A GLY 469 n 24 GLY 469 A LYS 470 n 25 LYS 470 A ASP 471 n 26 ASP 471 A LEU 472 n 27 LEU 472 A GLY 473 n 28 GLY 473 A SER 474 n 29 SER 474 A PRO 475 n 30 PRO 475 A VAL 476 n 31 VAL 476 A PRO 477 n 32 PRO 477 A ASP 478 n 33 ASP 478 A ARG 479 n 34 ARG 479 A ILE 480 n 35 ILE 480 A ALA 481 n 36 ALA 481 A ASN 482 n 37 ASN 482 A LYS 483 n 38 LYS 483 A LEU 484 n 39 LEU 484 A ARG 485 n 40 ARG 485 A ASP 486 n 41 ASP 486 A LYS 487 n 42 LYS 487 A GLU 488 n 43 GLU 488 A PHE 489 n 44 PHE 489 A LYS 490 n 45 LYS 490 A SER 491 n 46 SER 491 A PHE 492 n 47 PHE 492 A ASP 493 n 48 ASP 493 A ASP 494 n 49 ASP 494 A PHE 495 n 50 PHE 495 A ARG 496 n 51 ARG 496 A LYS 497 n 52 LYS 497 A LYS 498 n 53 LYS 498 A PHE 499 n 54 PHE 499 A TRP 500 n 55 TRP 500 A GLU 501 n 56 GLU 501 A GLU 502 n 57 GLU 502 A VAL 503 n 58 VAL 503 A SER 504 n 59 SER 504 A LYS 505 n 60 LYS 505 A ASP 506 n 61 ASP 506 A PRO 507 n 62 PRO 507 A GLU 508 n 63 GLU 508 A LEU 509 n 64 LEU 509 A SER 510 n 65 SER 510 A LYS 511 n 66 LYS 511 A GLN 512 n 67 GLN 512 A PHE 513 n 68 PHE 513 A SER 514 n 69 SER 514 A ARG 515 n 70 ARG 515 A ASN 516 n 71 ASN 516 A ASN 517 n 72 ASN 517 A ASN 518 n 73 ASN 518 A ASP 519 n 74 ASP 519 A ARG 520 n 75 ARG 520 A MET 521 n 76 MET 521 A LYS 522 n 77 LYS 522 A VAL 523 n 78 VAL 523 A GLY 524 n 79 GLY 524 A LYS 525 n 80 LYS 525 A ALA 526 n 81 ALA 526 A PRO 527 n 82 PRO 527 A LYS 528 n 83 LYS 528 A THR 529 n 84 THR 529 A ARG 530 n 85 ARG 530 A THR 531 n 86 THR 531 A GLN 532 n 87 GLN 532 A ASP 533 n 88 ASP 533 A VAL 534 n 89 VAL 534 A SER 535 n 90 SER 535 A GLY 536 n 91 GLY 536 A LYS 537 n 92 LYS 537 A ARG 538 n 93 ARG 538 A THR 539 n 94 THR 539 A SER 540 n 95 SER 540 A PHE 541 n 96 PHE 541 A GLU 542 n 97 GLU 542 A LEU 543 n 98 LEU 543 A HIS 544 n 99 HIS 544 A HIS 545 n 100 HIS 545 A GLU 546 n 101 GLU 546 A LYS 547 n 102 LYS 547 A PRO 548 n 103 PRO 548 A ILE 549 n 104 ILE 549 A SER 550 n 105 SER 550 A GLN 551 n 106 GLN 551 A ASN 552 n 107 ASN 552 A GLY 553 n 108 GLY 553 A GLY 554 n 109 GLY 554 A VAL 555 n 110 VAL 555 A TYR 556 n 111 TYR 556 A ASP 557 n 112 ASP 557 A MET 558 n 113 MET 558 A ASP 559 n 114 ASP 559 A ASN 560 n 115 ASN 560 A ILE 561 n 116 ILE 561 A SER 562 n 117 SER 562 A VAL 563 n 118 VAL 563 A VAL 564 n 119 VAL 564 A THR 565 n 120 THR 565 A PRO 566 n 121 PRO 566 A LYS 567 n 122 LYS 567 A ARG 568 n 123 ARG 568 A HIS 569 n 124 HIS 569 A ILE 570 n 125 ILE 570 A ASP 571 n 126 ASP 571 A ILE 572 n 127 ILE 572 A HIS 573 n 128 HIS 573 A ARG 574 n 129 ARG 574 A GLY 575 n 130 GLY 575 A LYS 576 n 131 LYS 576 A MET 446 n 1 MET 446 B ARG 447 n 2 ARG 447 B ASN 448 n 3 ASN 448 B LYS 449 n 4 LYS 449 B PRO 450 n 5 PRO 450 B GLY 451 n 6 GLY 451 B LYS 452 n 7 LYS 452 B ALA 453 n 8 ALA 453 B THR 454 n 9 THR 454 B GLY 455 n 10 GLY 455 B LYS 456 n 11 LYS 456 B GLY 457 n 12 GLY 457 B LYS 458 n 13 LYS 458 B PRO 459 n 14 PRO 459 B VAL 460 n 15 VAL 460 B ASN 461 n 16 ASN 461 B ASN 462 n 17 ASN 462 B LYS 463 n 18 LYS 463 B TRP 464 n 19 TRP 464 B LEU 465 n 20 LEU 465 B ASN 466 n 21 ASN 466 B ASN 467 n 22 ASN 467 B ALA 468 n 23 ALA 468 B GLY 469 n 24 GLY 469 B LYS 470 n 25 LYS 470 B ASP 471 n 26 ASP 471 B LEU 472 n 27 LEU 472 B GLY 473 n 28 GLY 473 B SER 474 n 29 SER 474 B PRO 475 n 30 PRO 475 B VAL 476 n 31 VAL 476 B PRO 477 n 32 PRO 477 B ASP 478 n 33 ASP 478 B ARG 479 n 34 ARG 479 B ILE 480 n 35 ILE 480 B ALA 481 n 36 ALA 481 B ASN 482 n 37 ASN 482 B LYS 483 n 38 LYS 483 B LEU 484 n 39 LEU 484 B ARG 485 n 40 ARG 485 B ASP 486 n 41 ASP 486 B LYS 487 n 42 LYS 487 B GLU 488 n 43 GLU 488 B PHE 489 n 44 PHE 489 B LYS 490 n 45 LYS 490 B SER 491 n 46 SER 491 B PHE 492 n 47 PHE 492 B ASP 493 n 48 ASP 493 B ASP 494 n 49 ASP 494 B PHE 495 n 50 PHE 495 B ARG 496 n 51 ARG 496 B LYS 497 n 52 LYS 497 B LYS 498 n 53 LYS 498 B PHE 499 n 54 PHE 499 B TRP 500 n 55 TRP 500 B GLU 501 n 56 GLU 501 B GLU 502 n 57 GLU 502 B VAL 503 n 58 VAL 503 B SER 504 n 59 SER 504 B LYS 505 n 60 LYS 505 B ASP 506 n 61 ASP 506 B PRO 507 n 62 PRO 507 B GLU 508 n 63 GLU 508 B LEU 509 n 64 LEU 509 B SER 510 n 65 SER 510 B LYS 511 n 66 LYS 511 B GLN 512 n 67 GLN 512 B PHE 513 n 68 PHE 513 B SER 514 n 69 SER 514 B ARG 515 n 70 ARG 515 B ASN 516 n 71 ASN 516 B ASN 517 n 72 ASN 517 B ASN 518 n 73 ASN 518 B ASP 519 n 74 ASP 519 B ARG 520 n 75 ARG 520 B MET 521 n 76 MET 521 B LYS 522 n 77 LYS 522 B VAL 523 n 78 VAL 523 B GLY 524 n 79 GLY 524 B LYS 525 n 80 LYS 525 B ALA 526 n 81 ALA 526 B PRO 527 n 82 PRO 527 B LYS 528 n 83 LYS 528 B THR 529 n 84 THR 529 B ARG 530 n 85 ARG 530 B THR 531 n 86 THR 531 B GLN 532 n 87 GLN 532 B ASP 533 n 88 ASP 533 B VAL 534 n 89 VAL 534 B SER 535 n 90 SER 535 B GLY 536 n 91 GLY 536 B LYS 537 n 92 LYS 537 B ARG 538 n 93 ARG 538 B THR 539 n 94 THR 539 B SER 540 n 95 SER 540 B PHE 541 n 96 PHE 541 B GLU 542 n 97 GLU 542 B LEU 543 n 98 LEU 543 B HIS 544 n 99 HIS 544 B HIS 545 n 100 HIS 545 B GLU 546 n 101 GLU 546 B LYS 547 n 102 LYS 547 B PRO 548 n 103 PRO 548 B ILE 549 n 104 ILE 549 B SER 550 n 105 SER 550 B GLN 551 n 106 GLN 551 B ASN 552 n 107 ASN 552 B GLY 553 n 108 GLY 553 B GLY 554 n 109 GLY 554 B VAL 555 n 110 VAL 555 B TYR 556 n 111 TYR 556 B ASP 557 n 112 ASP 557 B MET 558 n 113 MET 558 B ASP 559 n 114 ASP 559 B ASN 560 n 115 ASN 560 B ILE 561 n 116 ILE 561 B SER 562 n 117 SER 562 B VAL 563 n 118 VAL 563 B VAL 564 n 119 VAL 564 B THR 565 n 120 THR 565 B PRO 566 n 121 PRO 566 B LYS 567 n 122 LYS 567 B ARG 568 n 123 ARG 568 B HIS 569 n 124 HIS 569 B ILE 570 n 125 ILE 570 B ASP 571 n 126 ASP 571 B ILE 572 n 127 ILE 572 B HIS 573 n 128 HIS 573 B ARG 574 n 129 ARG 574 B GLY 575 n 130 GLY 575 B LYS 576 n 131 LYS 576 B author_defined_assembly 2 dimeric A HIS 544 A ND1 HIS 99 1_555 A ZN 600 C ZN ZN 1_555 A HIS 569 A NE2 HIS 124 1_555 110.0 A HIS 544 A ND1 HIS 99 1_555 A ZN 600 C ZN ZN 1_555 A HIS 573 A NE2 HIS 128 1_555 109.3 A HIS 569 A NE2 HIS 124 1_555 A ZN 600 C ZN ZN 1_555 A HIS 573 A NE2 HIS 128 1_555 101.9 A HIS 544 A ND1 HIS 99 1_555 A ZN 600 C ZN ZN 1_555 A PO4 601 D O1 PO4 1_555 102.3 A HIS 569 A NE2 HIS 124 1_555 A ZN 600 C ZN ZN 1_555 A PO4 601 D O1 PO4 1_555 116.3 A HIS 573 A NE2 HIS 128 1_555 A ZN 600 C ZN ZN 1_555 A PO4 601 D O1 PO4 1_555 117.0 B HIS 544 B ND1 HIS 99 1_555 B ZN 600 E ZN ZN 1_555 B HIS 569 B NE2 HIS 124 1_555 108.3 B HIS 544 B ND1 HIS 99 1_555 B ZN 600 E ZN ZN 1_555 B HIS 573 B NE2 HIS 128 1_555 109.6 B HIS 569 B NE2 HIS 124 1_555 B ZN 600 E ZN ZN 1_555 B HIS 573 B NE2 HIS 128 1_555 97.3 B HIS 544 B ND1 HIS 99 1_555 B ZN 600 E ZN ZN 1_555 B PO4 601 F O1 PO4 1_555 103.8 B HIS 569 B NE2 HIS 124 1_555 B ZN 600 E ZN ZN 1_555 B PO4 601 F O1 PO4 1_555 112.9 B HIS 573 B NE2 HIS 128 1_555 B ZN 600 E ZN ZN 1_555 B PO4 601 F O1 PO4 1_555 124.3 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 A N GLY 451 A N GLY 6 A O PHE 489 A O PHE 44 A N SER 474 A N SER 29 A O VAL 563 A O VAL 118 A O SER 562 A O SER 117 A N HIS 544 A N HIS 99 B N GLY 451 B N GLY 6 B O PHE 489 B O PHE 44 B N SER 474 B N SER 29 B O VAL 563 B O VAL 118 B O VAL 564 B O VAL 119 B N GLU 542 B N GLU 97 1 A ASN 461 -95.28 -156.41 1 A ASP 471 54.42 -133.06 1 B ASN 461 -110.85 -149.98 1 B ASP 471 51.36 -132.18 1 B ASP 486 73.33 -2.54 PROTEIN_REP.PARAM PROTEIN.TOP WATER_REP.PARAM WATER.TOP ION.PARAM ION.TOP 27.9 5.79 -2.78 1.49 -0.73 -0.43 -5.06 0.24 0.006 0.187 0.187 0.187 2.10 25.61 1603 17113 16016 10.0 93.6 RANDOM 369065.68 0.000000 1 RESTRAINED THROUGHOUT 0.0 MOLECULAR REPLACEMENT 7CEI Engh & Huber FLAT MODEL 52.3381 0.370504 0.29 0.22 5.00 0.20 0.13 2.10 25.61 224 2352 12 0 2116 0.010 1.5 22.8 0.93 1.49 1.50 2.19 2.00 2.50 2.00 3.71 2.50 0.273 0.016 0.202 2.23 278 2266 6 10.9 89.2 18.3 2.1 40 1M08 16335 16335 0 0 0.044 1 22.5 3.3 95 2.10 2.18 7.0 1591 0.17 1 92.7 data reduction DENZO data scaling SCALEPACK refinement CNS phasing CNS Crystal structure of the unbound nuclease domain of ColE7 1 N N 1 N N 2 N N 3 N N 2 N N 3 N N 4 N N 4 N N A LYS 463 A LYS 18 HELX_P A ALA 468 A ALA 23 5 1 6 A PRO 477 A PRO 32 HELX_P A ARG 485 A ARG 40 1 2 9 A SER 491 A SER 46 HELX_P A ASP 506 A ASP 61 1 3 16 A ASP 506 A ASP 61 HELX_P A LYS 511 A LYS 66 1 4 6 A SER 514 A SER 69 HELX_P A VAL 523 A VAL 78 1 5 10 A ARG 530 A ARG 85 HELX_P A VAL 534 A VAL 89 5 6 5 A PRO 548 A PRO 103 HELX_P A ASN 552 A ASN 107 5 7 5 A THR 565 A THR 120 HELX_P A HIS 573 A HIS 128 1 8 9 B LYS 463 B LYS 18 HELX_P B ALA 468 B ALA 23 5 9 6 B PRO 477 B PRO 32 HELX_P B ARG 485 B ARG 40 1 10 9 B SER 491 B SER 46 HELX_P B ASP 506 B ASP 61 1 11 16 B ASP 506 B ASP 61 HELX_P B LYS 511 B LYS 66 1 12 6 B SER 514 B SER 69 HELX_P B VAL 523 B VAL 78 1 13 10 B ARG 530 B ARG 85 HELX_P B VAL 534 B VAL 89 5 14 5 B PRO 548 B PRO 103 HELX_P B ASN 552 B ASN 107 5 15 5 B THR 565 B THR 120 HELX_P B HIS 573 B HIS 128 1 16 9 metalc 1.864 A HIS 544 A ND1 HIS 99 1_555 A ZN 600 C ZN ZN 1_555 metalc 2.098 A HIS 569 A NE2 HIS 124 1_555 A ZN 600 C ZN ZN 1_555 metalc 2.028 A HIS 573 A NE2 HIS 128 1_555 A ZN 600 C ZN ZN 1_555 metalc 1.787 A ZN 600 C ZN ZN 1_555 A PO4 601 D O1 PO4 1_555 metalc 2.052 B HIS 544 B ND1 HIS 99 1_555 B ZN 600 E ZN ZN 1_555 metalc 2.083 B HIS 569 B NE2 HIS 124 1_555 B ZN 600 E ZN ZN 1_555 metalc 2.093 B HIS 573 B NE2 HIS 128 1_555 B ZN 600 E ZN ZN 1_555 metalc 1.897 B ZN 600 E ZN ZN 1_555 B PO4 601 F O1 PO4 1_555 HYDROLASE HNH motif, endonuclease, colicin, Zn-binding protein, Hydrolase CEA7_ECOLI UNP 1 447 Q47112 RNKPGKATGKGKPVNNKWLNNAGKDLGSPVPDRIANKLRDKEFKSFDDFRKKFWEEVSKDPELSKQFSRNNNDRMKVGKA PKTRTQDVSGKRTSFELHHEKPISQNGGVYDMDNISVVTPKRHIDIHRGK 447 576 1M08 447 576 Q47112 A 1 2 131 447 576 1M08 447 576 Q47112 B 1 2 131 1 initiating methionine MET 446 1M08 A Q47112 UNP 1 2 initiating methionine MET 446 1M08 B Q47112 UNP 1 2 3 2 3 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A GLY 451 A GLY 6 A LYS 452 A LYS 7 A GLU 488 A GLU 43 A PHE 489 A PHE 44 A SER 474 A SER 29 A PRO 475 A PRO 30 A ILE 561 A ILE 116 A VAL 564 A VAL 119 A GLU 542 A GLU 97 A HIS 545 A HIS 100 B GLY 451 B GLY 6 B LYS 452 B LYS 7 B GLU 488 B GLU 43 B PHE 489 B PHE 44 B SER 474 B SER 29 B PRO 475 B PRO 30 B ILE 561 B ILE 116 B VAL 564 B VAL 119 B GLU 542 B GLU 97 B HIS 545 B HIS 100 BINDING SITE FOR RESIDUE ZN A 600 A ZN 600 Software 4 BINDING SITE FOR RESIDUE PO4 A 601 A PO4 601 Software 8 BINDING SITE FOR RESIDUE ZN B 600 B ZN 600 Software 4 BINDING SITE FOR RESIDUE PO4 B 601 B PO4 601 Software 8 A HIS 544 A HIS 99 4 1_555 A HIS 569 A HIS 124 4 1_555 A HIS 573 A HIS 128 4 1_555 A PO4 601 D PO4 4 1_555 A ARG 447 A ARG 2 8 1_555 A HIS 544 A HIS 99 8 1_555 A HIS 545 A HIS 100 8 1_555 A HIS 569 A HIS 124 8 1_555 A HIS 573 A HIS 128 8 1_555 A ZN 600 C ZN 8 1_555 B LYS 576 B LYS 131 8 1_555 B HOH 811 H HOH 8 1_555 B HIS 544 B HIS 99 4 1_555 B HIS 569 B HIS 124 4 1_555 B HIS 573 B HIS 128 4 1_555 B PO4 601 F PO4 4 1_555 A LYS 576 A LYS 131 8 1_555 A HOH 760 G HOH 8 1_555 B ARG 447 B ARG 2 8 1_555 B HIS 544 B HIS 99 8 1_555 B HIS 545 B HIS 100 8 1_555 B HIS 569 B HIS 124 8 1_555 B HIS 573 B HIS 128 8 1_555 B ZN 600 E ZN 8 1_555 1 P 1