0.031133 0.000000 0.000000 0.000000 0.013191 0.000000 0.000000 0.000000 0.012429 0.00000 0.00000 0.00000 Fischle, W. Wang, Y. Jacobs, S.A. Kim, Y. Allis, C.D. Khorasanizadeh, S. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 32.120 75.810 80.460 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 C9 H21 N2 O2 1 189.275 n N-TRIMETHYLLYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking 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 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 C N 220 N C N 221 N C N 222 N N N 223 N C N 224 N O N 225 N O N 226 N C N 227 N C N 228 N C 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 H N 237 N H N 238 N H N 239 N H N 240 N H N 241 N H N 242 N H N 243 N H N 244 N H N 245 N H N 246 N H N 247 N H N 248 N H N 249 N H N 250 N N N 251 S C N 252 N C N 253 N O N 254 N C N 255 N C N 256 N S N 257 N C N 258 N O N 259 N H N 260 N H N 261 N H N 262 N H N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N H N 269 N H N 270 N N N 271 S C N 272 N C N 273 N O N 274 N C N 275 N C N 276 N C N 277 N O N 278 N H N 279 N H N 280 N H N 281 N H N 282 N H N 283 N H N 284 N H N 285 N H N 286 N H N 287 N N N 288 S C N 289 N C N 290 N O N 291 N C N 292 N O N 293 N O N 294 N H N 295 N H N 296 N H N 297 N H N 298 N H N 299 N H N 300 N H N 301 N N N 302 S C N 303 N C N 304 N O N 305 R C N 306 N O N 307 N C N 308 N O N 309 N H N 310 N H N 311 N H N 312 N H N 313 N H N 314 N H N 315 N H N 316 N H N 317 N H N 318 N N N 319 S C N 320 N C N 321 N O N 322 N C Y 323 N C Y 324 N C Y 325 N C Y 326 N N Y 327 N C Y 328 N C Y 329 N C Y 330 N C Y 331 N C N 332 N O 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 H N 340 N H N 341 N H N 342 N H N 343 N H N 344 N H N 345 N N N 346 S C N 347 N C N 348 N O N 349 N C Y 350 N C Y 351 N C Y 352 N C Y 353 N C Y 354 N C Y 355 N C N 356 N O N 357 N O N 358 N H N 359 N H N 360 N H N 361 N H N 362 N H N 363 N H N 364 N H N 365 N H N 366 N H N 367 N H N 368 N H N 369 N N N 370 S C N 371 N C N 372 N O N 373 N C N 374 N C N 375 N C N 376 N O N 377 N H N 378 N H N 379 N H N 380 N H N 381 N H N 382 N H N 383 N H N 384 N H N 385 N H N 386 N H N 387 N H 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 sing 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 doub N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N sing N 233 N sing N 234 N sing N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N sing N 240 N sing N 241 N sing N 242 N sing N 243 N sing N 244 N doub N 245 N sing N 246 N sing N 247 N sing 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 sing N 258 N sing N 259 N sing N 260 N sing N 261 N sing N 262 N sing N 263 N doub 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 sing N 275 N sing N 276 N sing N 277 N sing N 278 N sing N 279 N sing N 280 N doub 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 sing N 288 N sing N 289 N sing N 290 N sing N 291 N sing N 292 N sing N 293 N doub 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 sing N 304 N sing N 305 N sing N 306 N sing N 307 N sing N 308 N sing N 309 N doub N 310 N sing N 311 N sing N 312 N sing N 313 N sing Y 314 N doub Y 315 N sing Y 316 N sing N 317 N sing Y 318 N doub Y 319 N sing Y 320 N sing N 321 N sing Y 322 N sing Y 323 N doub N 324 N sing Y 325 N doub N 326 N sing Y 327 N sing N 328 N sing N 329 N sing N 330 N sing N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N doub N 338 N sing N 339 N sing N 340 N sing N 341 N sing Y 342 N doub Y 343 N sing Y 344 N sing N 345 N sing Y 346 N doub N 347 N sing Y 348 N doub N 349 N sing Y 350 N sing N 351 N sing N 352 N sing N 353 N sing N 354 N sing N 355 N sing N 356 N sing N 357 N sing N 358 N sing N 359 N sing N 360 N sing N 361 N doub N 362 N sing N 363 N sing N 364 N sing N 365 N sing N 366 N sing N 367 N sing N 368 N sing N 369 N sing N 370 N sing N 371 N sing N 372 N sing US Genes Dev. GEDEEP 2056 0890-9369 17 1870 1881 10.1101/gad.1110503 12897054 Molecular basis for the discrimination of repressive methyl-lysine marks in histone H3 by Polycomb and HP1 chromodomains 2003 10.2210/pdb1pdq/pdb pdb_00001pdq 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100 1 CCD 2003-04-20 ADSC QUANTUM 4 double crystal SI 111 SINGLE WAVELENGTH M x-ray 1 0.97934 1.0 19-ID APS 0.97934 SYNCHROTRON APS BEAMLINE 19-ID 8853.055 Polycomb protein residues 15-77 1 man polymer 1929.290 Histone H3.3 residues 15-32 K27(M3L) 1 syn polymer 18.015 water 194 nat water H3.A, H3.B, H3.3Q no no MKKHHHHHHDNATDDPVDLVYAAEKIIQKRVKKGVVEYRVKWKGWNQRYNTWEPEVNILDRRLIDIYEQTNK MKKHHHHHHDNATDDPVDLVYAAEKIIQKRVKKGVVEYRVKWKGWNQRYNTWEPEVNILDRRLIDIYEQTNK A polypeptide(L) no yes APRKQLATKAAR(M3L)SAPST APRKQLATKAARKSAPST 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 fruit fly Drosophila Escherichia sample PC OR CG7618 7227 Drosophila melanogaster 562 Escherichia coli BL21(DE3)pLysS pET pET11a 1 2.27 45.83 VAPOR DIFFUSION, HANGING DROP 8.5 0.1 M Tris-HCl, 0.2 M Lithium sulfate, 30 % PEG 4000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K 277 database_2 struct_conn struct_ref_seq_dif chem_comp_atom chem_comp_bond pdbx_initial_refinement_model repository Initial release Version format compliance Version format compliance Database references Derived calculations Data collection Refinement description 1 0 2003-08-26 1 1 2008-04-29 1 2 2011-07-13 1 3 2021-10-27 1 4 2023-08-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.pdbx_leaving_atom_flag _struct_ref_seq_dif.details RCSB Y RCSB 2003-05-20 REL REL HOH water Synthetic peptide sample 1KNA PDB 1KNA PDB experimental model HOH 1 3 HOH HOH 78 A HOH 4 3 HOH HOH 79 A HOH 5 3 HOH HOH 80 A HOH 10 3 HOH HOH 81 A HOH 12 3 HOH HOH 82 A HOH 13 3 HOH HOH 83 A HOH 19 3 HOH HOH 84 A HOH 23 3 HOH HOH 85 A HOH 24 3 HOH HOH 86 A HOH 27 3 HOH HOH 87 A HOH 28 3 HOH HOH 88 A HOH 29 3 HOH HOH 89 A HOH 31 3 HOH HOH 90 A HOH 32 3 HOH HOH 91 A HOH 33 3 HOH HOH 92 A HOH 34 3 HOH HOH 93 A HOH 35 3 HOH HOH 94 A HOH 36 3 HOH HOH 95 A HOH 37 3 HOH HOH 96 A HOH 38 3 HOH HOH 97 A HOH 39 3 HOH HOH 98 A HOH 40 3 HOH HOH 99 A HOH 41 3 HOH HOH 100 A HOH 42 3 HOH HOH 101 A HOH 43 3 HOH HOH 102 A HOH 44 3 HOH HOH 103 A HOH 45 3 HOH HOH 104 A HOH 46 3 HOH HOH 105 A HOH 47 3 HOH HOH 106 A HOH 48 3 HOH HOH 107 A HOH 49 3 HOH HOH 108 A HOH 50 3 HOH HOH 109 A HOH 51 3 HOH HOH 110 A HOH 52 3 HOH HOH 111 A HOH 53 3 HOH HOH 112 A HOH 54 3 HOH HOH 113 A HOH 55 3 HOH HOH 114 A HOH 56 3 HOH HOH 115 A HOH 57 3 HOH HOH 116 A HOH 58 3 HOH HOH 117 A HOH 59 3 HOH HOH 118 A HOH 60 3 HOH HOH 119 A HOH 61 3 HOH HOH 120 A HOH 62 3 HOH HOH 121 A HOH 63 3 HOH HOH 122 A HOH 64 3 HOH HOH 123 A HOH 65 3 HOH HOH 124 A HOH 66 3 HOH HOH 125 A HOH 67 3 HOH HOH 126 A HOH 68 3 HOH HOH 127 A HOH 69 3 HOH HOH 128 A HOH 70 3 HOH HOH 129 A HOH 72 3 HOH HOH 130 A HOH 73 3 HOH HOH 131 A HOH 74 3 HOH HOH 132 A HOH 75 3 HOH HOH 133 A HOH 76 3 HOH HOH 134 A HOH 77 3 HOH HOH 135 A HOH 78 3 HOH HOH 136 A HOH 79 3 HOH HOH 137 A HOH 80 3 HOH HOH 138 A HOH 81 3 HOH HOH 139 A HOH 82 3 HOH HOH 140 A HOH 83 3 HOH HOH 141 A HOH 84 3 HOH HOH 142 A HOH 85 3 HOH HOH 143 A HOH 87 3 HOH HOH 144 A HOH 89 3 HOH HOH 145 A HOH 91 3 HOH HOH 146 A HOH 92 3 HOH HOH 147 A HOH 93 3 HOH HOH 148 A HOH 94 3 HOH HOH 149 A HOH 96 3 HOH HOH 150 A HOH 97 3 HOH HOH 151 A HOH 99 3 HOH HOH 152 A HOH 100 3 HOH HOH 153 A HOH 102 3 HOH HOH 154 A HOH 104 3 HOH HOH 155 A HOH 105 3 HOH HOH 156 A HOH 107 3 HOH HOH 157 A HOH 108 3 HOH HOH 158 A HOH 109 3 HOH HOH 159 A HOH 110 3 HOH HOH 160 A HOH 111 3 HOH HOH 161 A HOH 112 3 HOH HOH 162 A HOH 113 3 HOH HOH 163 A HOH 114 3 HOH HOH 164 A HOH 115 3 HOH HOH 165 A HOH 116 3 HOH HOH 166 A HOH 117 3 HOH HOH 167 A HOH 118 3 HOH HOH 168 A HOH 119 3 HOH HOH 169 A HOH 122 3 HOH HOH 170 A HOH 123 3 HOH HOH 171 A HOH 125 3 HOH HOH 172 A HOH 126 3 HOH HOH 173 A HOH 128 3 HOH HOH 174 A HOH 129 3 HOH HOH 175 A HOH 130 3 HOH HOH 176 A HOH 131 3 HOH HOH 177 A HOH 133 3 HOH HOH 178 A HOH 134 3 HOH HOH 179 A HOH 135 3 HOH HOH 180 A HOH 136 3 HOH HOH 181 A HOH 137 3 HOH HOH 182 A HOH 138 3 HOH HOH 183 A HOH 140 3 HOH HOH 184 A HOH 141 3 HOH HOH 185 A HOH 142 3 HOH HOH 186 A HOH 143 3 HOH HOH 187 A HOH 144 3 HOH HOH 188 A HOH 145 3 HOH HOH 189 A HOH 146 3 HOH HOH 190 A HOH 147 3 HOH HOH 191 A HOH 148 3 HOH HOH 192 A HOH 149 3 HOH HOH 193 A HOH 151 3 HOH HOH 194 A HOH 153 3 HOH HOH 195 A HOH 154 3 HOH HOH 196 A HOH 155 3 HOH HOH 197 A HOH 156 3 HOH HOH 198 A HOH 157 3 HOH HOH 199 A HOH 158 3 HOH HOH 200 A HOH 160 3 HOH HOH 201 A HOH 162 3 HOH HOH 202 A HOH 163 3 HOH HOH 203 A HOH 164 3 HOH HOH 204 A HOH 165 3 HOH HOH 205 A HOH 166 3 HOH HOH 206 A HOH 167 3 HOH HOH 207 A HOH 168 3 HOH HOH 208 A HOH 169 3 HOH HOH 209 A HOH 170 3 HOH HOH 210 A HOH 171 3 HOH HOH 211 A HOH 172 3 HOH HOH 212 A HOH 173 3 HOH HOH 213 A HOH 174 3 HOH HOH 214 A HOH 175 3 HOH HOH 215 A HOH 176 3 HOH HOH 216 A HOH 177 3 HOH HOH 217 A HOH 178 3 HOH HOH 218 A HOH 179 3 HOH HOH 219 A HOH 180 3 HOH HOH 220 A HOH 181 3 HOH HOH 221 A HOH 182 3 HOH HOH 222 A HOH 183 3 HOH HOH 223 A HOH 185 3 HOH HOH 224 A HOH 186 3 HOH HOH 225 A HOH 187 3 HOH HOH 226 A HOH 188 3 HOH HOH 227 A HOH 189 3 HOH HOH 228 A HOH 190 3 HOH HOH 229 A HOH 191 3 HOH HOH 230 A HOH 192 3 HOH HOH 231 A HOH 194 3 HOH HOH 232 A HOH 198 3 HOH HOH 233 A HOH 200 3 HOH HOH 234 A HOH 201 3 HOH HOH 235 A HOH 205 3 HOH HOH 236 A HOH 206 3 HOH HOH 237 A HOH 207 3 HOH HOH 238 A HOH 208 3 HOH HOH 239 A HOH 209 3 HOH HOH 240 A HOH 209 3 HOH HOH 241 A HOH 211 3 HOH HOH 242 A HOH 212 3 HOH HOH 243 A HOH 213 3 HOH HOH 244 A HOH 214 3 HOH HOH 245 A HOH 215 3 HOH HOH 246 A HOH 216 3 HOH HOH 247 A HOH 217 3 HOH HOH 248 A HOH 218 3 HOH HOH 249 A HOH 219 3 HOH HOH 250 A HOH 220 3 HOH HOH 251 A HOH 30 3 HOH HOH 33 B HOH 71 3 HOH HOH 34 B HOH 88 3 HOH HOH 35 B HOH 95 3 HOH HOH 36 B HOH 103 3 HOH HOH 37 B HOH 106 3 HOH HOH 38 B HOH 121 3 HOH HOH 39 B HOH 127 3 HOH HOH 40 B HOH 132 3 HOH HOH 41 B HOH 139 3 HOH HOH 42 B HOH 150 3 HOH HOH 43 B HOH 152 3 HOH HOH 44 B HOH 159 3 HOH HOH 45 B HOH 184 3 HOH HOH 46 B HOH 195 3 HOH HOH 47 B HOH 196 3 HOH HOH 48 B HOH 197 3 HOH HOH 49 B HOH 199 3 HOH HOH 50 B HOH 203 3 HOH HOH 51 B HOH 204 3 HOH HOH 52 B n 1 6 A n 2 7 A n 3 8 A n 4 9 A n 5 10 A n 6 11 A n 7 12 A n 8 13 A n 9 14 A n 10 15 A n 11 16 A n 12 17 A n 13 18 A n 14 19 A n 15 20 A n 16 21 A n 17 22 A ASP 23 n 18 ASP 23 A LEU 24 n 19 LEU 24 A VAL 25 n 20 VAL 25 A TYR 26 n 21 TYR 26 A ALA 27 n 22 ALA 27 A ALA 28 n 23 ALA 28 A GLU 29 n 24 GLU 29 A LYS 30 n 25 LYS 30 A ILE 31 n 26 ILE 31 A ILE 32 n 27 ILE 32 A GLN 33 n 28 GLN 33 A LYS 34 n 29 LYS 34 A ARG 35 n 30 ARG 35 A VAL 36 n 31 VAL 36 A LYS 37 n 32 LYS 37 A LYS 38 n 33 LYS 38 A GLY 39 n 34 GLY 39 A VAL 40 n 35 VAL 40 A VAL 41 n 36 VAL 41 A GLU 42 n 37 GLU 42 A TYR 43 n 38 TYR 43 A ARG 44 n 39 ARG 44 A VAL 45 n 40 VAL 45 A LYS 46 n 41 LYS 46 A TRP 47 n 42 TRP 47 A LYS 48 n 43 LYS 48 A GLY 49 n 44 GLY 49 A TRP 50 n 45 TRP 50 A ASN 51 n 46 ASN 51 A GLN 52 n 47 GLN 52 A ARG 53 n 48 ARG 53 A TYR 54 n 49 TYR 54 A ASN 55 n 50 ASN 55 A THR 56 n 51 THR 56 A TRP 57 n 52 TRP 57 A GLU 58 n 53 GLU 58 A PRO 59 n 54 PRO 59 A GLU 60 n 55 GLU 60 A VAL 61 n 56 VAL 61 A ASN 62 n 57 ASN 62 A ILE 63 n 58 ILE 63 A LEU 64 n 59 LEU 64 A ASP 65 n 60 ASP 65 A ARG 66 n 61 ARG 66 A ARG 67 n 62 ARG 67 A LEU 68 n 63 LEU 68 A ILE 69 n 64 ILE 69 A ASP 70 n 65 ASP 70 A ILE 71 n 66 ILE 71 A TYR 72 n 67 TYR 72 A GLU 73 n 68 GLU 73 A n 69 74 A n 70 75 A n 71 76 A n 72 77 A n 1 15 B n 2 16 B n 3 17 B n 4 18 B n 5 19 B LEU 20 n 6 LEU 20 B ALA 21 n 7 ALA 21 B THR 22 n 8 THR 22 B LYS 23 n 9 LYS 23 B ALA 24 n 10 ALA 24 B ALA 25 n 11 ALA 25 B ARG 26 n 12 ARG 26 B M3L 27 n 13 M3L 27 B SER 28 n 14 SER 28 B n 15 29 B n 16 30 B n 17 31 B n 18 32 B author_and_software_defined_assembly PISA 2 dimeric 1450 -6 4230 B M3L 27 N-TRIMETHYLLYSINE B M3L 13 LYS 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 O THR 56 A O THR 51 A N VAL 45 A N VAL 40 A O LYS 46 A O LYS 41 A N LYS 30 A N LYS 25 A N ALA 28 A N ALA 23 B O LYS 23 B O LYS 9 1 A HOH 240 C HOH 1 A HOH 241 C HOH 1 A HOH 248 C HOH 1 A MET 6 A MET 1 1 Y 1 A LYS 7 A LYS 2 1 Y 1 A LYS 8 A LYS 3 1 Y 1 A HIS 9 A HIS 4 1 Y 1 A HIS 10 A HIS 5 1 Y 1 A HIS 11 A HIS 6 1 Y 1 A HIS 12 A HIS 7 1 Y 1 A HIS 13 A HIS 8 1 Y 1 A HIS 14 A HIS 9 1 Y 1 A ASP 15 A ASP 10 1 Y 1 A ASN 16 A ASN 11 1 Y 1 A ALA 17 A ALA 12 1 Y 1 A THR 18 A THR 13 1 Y 1 A ASP 19 A ASP 14 1 Y 1 A ASP 20 A ASP 15 1 Y 1 A PRO 21 A PRO 16 1 Y 1 A VAL 22 A VAL 17 1 Y 1 A GLN 74 A GLN 69 1 Y 1 A THR 75 A THR 70 1 Y 1 A ASN 76 A ASN 71 1 Y 1 A LYS 77 A LYS 72 1 Y 1 B ALA 15 B ALA 1 1 Y 1 B PRO 16 B PRO 2 1 Y 1 B ARG 17 B ARG 3 1 Y 1 B LYS 18 B LYS 4 1 Y 1 B GLN 19 B GLN 5 1 Y 1 B ALA 29 B ALA 15 1 Y 1 B PRO 30 B PRO 16 1 Y 1 B SER 31 B SER 17 1 Y 1 B THR 32 B THR 18 1 Y 1 A A OH O TYR HOH 72 219 1.77 1 A A O O HOH HOH 201 201 1.36 1_555 8_565 1 A A O O HOH HOH 243 243 1.61 1_555 7_456 PROTEIN_REP.PARAM PROTEIN.TOP TEST2.PARAM WATER_REP.PARAM 31.1 -2.70 0.00 0.00 -0.59 0.00 3.29 0.253 0.008 0.223 0.223 0.223 1.76 27.59 985 9494 9494 10.4 93.6 RANDOM 1 RESTRAINED THROUGHOUT 0 MOLECULAR REPLACEMENT PDB 1KNA Engh & Huber FLAT MODEL 82.0875 0.405418 0.27 0.22 5.00 0.25 0.18 1.76 27.59 194 710 0 0 516 0.006 1.2 25.6 0.57 1.48 1.50 2.33 2.00 2.23 2.00 3.48 2.50 0.341 0.030 0.274 1.87 134 1190 6 10.1 79.6 18.7 1.76 50.00 1PDQ 9494 9494 2.95 2.95 0.03 0.033 1 32.6 4.1 93.7 0.176 1.76 1.82 2.95 1190 0.212 2.95 74.2 refinement CNS 1.0 data reduction HKL-2000 data scaling CCP4 (TRUNCATE) phasing MOLREP Polycomb chromodomain complexed with the histone H3 tail containing trimethyllysine 27. 1 N N 2 N N 3 N N 3 N N A ASN 51 A ASN 46 HELX_P A ASN 55 A ASN 50 5 1 5 A VAL 61 A VAL 56 HELX_P A ILE 63 A ILE 58 5 2 3 A ARG 66 A ARG 61 HELX_P A GLU 73 A GLU 68 1 3 8 covale 1.331 both B ARG 26 B C ARG 12 1_555 B M3L 27 B N M3L 13 1_555 covale 1.330 both B M3L 27 B C M3L 13 1_555 B SER 28 B N SER 14 1_555 STRUCTURAL PROTEIN methyllysine, chromodomain, histone H3, polycomb, lysine methylation, trimethyllysine, cation-pi, chromo, STRUCTURAL PROTEIN PC_DROME UNP 1 15 P26017 DNATDDPVDLVYAAEKIIQKRVKKGVVEYRVKWKGWNQRYNTWEPEVNILDRRLIDIYEQTNK H33_HUMAN UNP 2 15 P06351 APRKQLATKAARKSAPST 15 77 1PDQ 15 77 P26017 A 1 10 72 15 32 1PDQ 15 32 P06351 B 2 1 18 2 LYS engineered mutation M3L 27 1PDQ B P06351 UNP 27 13 4 anti-parallel anti-parallel anti-parallel A THR 56 A THR 51 A PRO 59 A PRO 54 A VAL 40 A VAL 35 A TRP 47 A TRP 42 A LEU 24 A LEU 19 A LYS 37 A LYS 32 B LYS 23 B LYS 9 B M3L 27 B M3L 13 24 I 21 21 21