0.025653 0.000000 0.000000 0.000000 0.024107 0.000000 0.000000 0.000000 0.010910 0.00000 0.00000 0.00000 Sun, Q. Burke, J.P. Phan, J. Burns, M.C. Olejniczak, E.T. Waterson, A.G. Lee, T. Rossanese, O.W. Fesik, S.W. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 38.982 41.481 91.663 C21 H21 N5 O 359.424 N-[2-(1H-indol-3-ylmethyl)-1H-benzimidazol-5-yl]-L-prolinamide non-polymer 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 C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C10 H15 N5 O11 P2 443.201 n GUANOSINE-5'-DIPHOSPHATE RNA 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 Mg 2 24.305 MAGNESIUM ION non-polymer C9 H11 N O2 165.189 y PHENYLALANINE 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 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 O N 2 N C N 3 S C N 4 N N N 5 N C N 6 N C N 7 N C N 8 N N Y 9 N C Y 10 N C Y 11 N C Y 12 N C Y 13 N C Y 14 N C Y 15 N N Y 16 N C N 17 N C Y 18 N C Y 19 N C Y 20 N N Y 21 N C Y 22 N C Y 23 N C Y 24 N C Y 25 N C Y 26 N C Y 27 N N 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 H N 42 N H N 43 N H N 44 N H N 45 N H N 46 N H N 47 N H N 48 N H N 49 N N N 50 S C N 51 N C N 52 N O N 53 N C N 54 N O N 55 N H N 56 N H N 57 N H N 58 N H N 59 N H N 60 N H N 61 N H N 62 N N N 63 S C N 64 N C N 65 N O N 66 N C N 67 N C N 68 N C N 69 N N N 70 N C N 71 N N N 72 N N N 73 N O N 74 N H N 75 N H N 76 N H N 77 N H N 78 N H N 79 N H N 80 N H N 81 N H N 82 N H N 83 N H N 84 N H N 85 N H N 86 N H N 87 N H N 88 N H N 89 N N N 90 S C N 91 N C N 92 N O N 93 N C N 94 N C N 95 N O N 96 N N N 97 N O N 98 N H N 99 N H N 100 N H N 101 N H N 102 N H N 103 N H N 104 N H N 105 N H N 106 N N N 107 S C N 108 N C N 109 N O N 110 N C N 111 N C N 112 N O N 113 N O N 114 N O N 115 N H N 116 N H N 117 N H N 118 N H N 119 N H N 120 N H N 121 N H N 122 N N N 123 R C N 124 N C N 125 N O N 126 N C N 127 N S N 128 N O N 129 N H N 130 N H N 131 N H N 132 N H N 133 N H N 134 N H N 135 N H N 136 N P N 137 N O N 138 N O N 139 N O N 140 N O N 141 N P N 142 N O N 143 N O N 144 N O N 145 N C N 146 R C N 147 N O N 148 S C N 149 N O N 150 R C N 151 N O N 152 R C Y 153 N N Y 154 N C Y 155 N N Y 156 N C N 157 N C N 158 N O N 159 N N N 160 N C N 161 N N N 162 N N Y 163 N C N 164 N H N 165 N H N 166 N H N 167 N H N 168 N H N 169 N H N 170 N H N 171 N H N 172 N H N 173 N H N 174 N H N 175 N H N 176 N H N 177 N H N 178 N H N 179 N N N 180 S C N 181 N C N 182 N O N 183 N C N 184 N C N 185 N C N 186 N O N 187 N N N 188 N O N 189 N H N 190 N H N 191 N H N 192 N H N 193 N H N 194 N H N 195 N H N 196 N H N 197 N H N 198 N H N 199 N N N 200 S C N 201 N C N 202 N O N 203 N C N 204 N C N 205 N C N 206 N O N 207 N O N 208 N O 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 H N 217 N H N 218 N N N 219 N C N 220 N C N 221 N O N 222 N O N 223 N H N 224 N H N 225 N H N 226 N H N 227 N H N 228 N N N 229 S C N 230 N C N 231 N O N 232 N C Y 233 N C Y 234 N N Y 235 N C Y 236 N C Y 237 N N N 238 N O 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 O N 250 N H N 251 N H N 252 N N N 253 S C N 254 N C N 255 N O N 256 S C N 257 N C N 258 N C N 259 N C N 260 N O 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 H N 271 N H N 272 N H N 273 N H N 274 N N N 275 S C N 276 N C N 277 N O N 278 N C N 279 N C N 280 N C N 281 N C N 282 N O N 283 N H N 284 N H N 285 N H N 286 N H N 287 N H 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 H N 296 N N N 297 S C N 298 N C N 299 N O N 300 N C N 301 N C N 302 N C N 303 N C N 304 N N N 305 N O 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 H N 313 N H N 314 N H N 315 N H N 316 N H N 317 N H N 318 N H N 319 N H N 320 N H N 321 N N N 322 S C N 323 N C N 324 N O N 325 N C N 326 N C N 327 N S N 328 N C N 329 N O 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 H N 340 N H N 341 N MG N 342 N N N 343 S C N 344 N C N 345 N O N 346 N C Y 347 N C Y 348 N C Y 349 N C Y 350 N C Y 351 N C Y 352 N C N 353 N O 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 H N 364 N H N 365 N N N 366 S C N 367 N C N 368 N O N 369 N C N 370 N C N 371 N C N 372 N O 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 N N 383 S C N 384 N C N 385 N O N 386 N C N 387 N O N 388 N O N 389 N H N 390 N H N 391 N H N 392 N H N 393 N H N 394 N H N 395 N H N 396 N N N 397 S C N 398 N C N 399 N O N 400 R C N 401 N O N 402 N C N 403 N O N 404 N H N 405 N H N 406 N H N 407 N H N 408 N H N 409 N H N 410 N H N 411 N H N 412 N H N 413 N N N 414 S C N 415 N C N 416 N O N 417 N C Y 418 N C Y 419 N C Y 420 N C Y 421 N C Y 422 N C Y 423 N C N 424 N O N 425 N O N 426 N H N 427 N H N 428 N H N 429 N H N 430 N H N 431 N H N 432 N H N 433 N H N 434 N H N 435 N H N 436 N H N 437 N N N 438 S C N 439 N C N 440 N O N 441 N C N 442 N C N 443 N C N 444 N O N 445 N H N 446 N H N 447 N H N 448 N H N 449 N H N 450 N H N 451 N H N 452 N H N 453 N H N 454 N H N 455 N H Y 1 N sing Y 2 N sing Y 3 N doub Y 4 N doub Y 5 N sing Y 6 N sing Y 7 N sing N 8 N sing Y 9 N doub Y 10 N doub N 11 N sing Y 12 N sing Y 13 N doub Y 14 N sing Y 15 N sing Y 16 N doub Y 17 N sing Y 18 N sing Y 19 N sing Y 20 N doub N 21 N doub N 22 N sing N 23 N sing N 24 N sing N 25 N sing Y 26 N doub N 27 N sing N 28 N sing Y 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 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 sing N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N sing 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 doub N 60 N sing N 61 N sing N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N sing N 67 N sing N 68 N sing N 69 N sing N 70 N sing N 71 N doub N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N sing 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 sing N 85 N doub 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 sing N 96 N sing N 97 N doub N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N doub N 103 N sing 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 doub N 119 N sing N 120 N sing N 121 N sing N 122 N sing N 123 N sing N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N doub N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N doub 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 doub N 143 N sing N 144 N sing N 145 N sing 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 Y 164 N sing Y 165 N sing Y 166 N doub N 167 N sing Y 168 N sing N 169 N sing Y 170 N doub N 171 N doub N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N doub 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 doub N 187 N sing 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 doub 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 doub 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 doub 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 doub 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 sing N 231 N sing N 232 N doub N 233 N sing N 234 N sing N 235 N sing N 236 N sing Y 237 N sing Y 238 N doub Y 239 N doub N 240 N sing Y 241 N sing N 242 N sing Y 243 N sing N 244 N sing 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 doub 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 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 sing N 275 N sing N 276 N doub 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 sing 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 doub 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 sing N 310 N sing N 311 N sing N 312 N sing N 313 N sing N 314 N sing N 315 N sing N 316 N sing N 317 N sing N 318 N sing N 319 N sing N 320 N sing N 321 N doub 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 sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N sing N 339 N sing N 340 N doub N 341 N sing N 342 N sing N 343 N sing N 344 N sing Y 345 N doub Y 346 N sing Y 347 N sing N 348 N sing Y 349 N doub N 350 N sing Y 351 N doub N 352 N sing Y 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 sing N 362 N sing N 363 N doub 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 N 373 N sing N 374 N sing N 375 N sing N 376 N sing N 377 N sing N 378 N sing N 379 N sing N 380 N doub N 381 N sing N 382 N sing N 383 N sing N 384 N sing N 385 N sing N 386 N sing N 387 N sing N 388 N sing N 389 N sing N 390 N sing N 391 N sing N 392 N sing N 393 N doub N 394 N sing N 395 N sing N 396 N sing N 397 N sing N 398 N sing N 399 N sing N 400 N sing N 401 N sing N 402 N sing N 403 N sing N 404 N sing N 405 N sing N 406 N sing N 407 N sing N 408 N sing N 409 N doub N 410 N sing N 411 N sing N 412 N sing N 413 N sing Y 414 N doub Y 415 N sing Y 416 N sing N 417 N sing Y 418 N doub N 419 N sing Y 420 N doub N 421 N sing Y 422 N sing N 423 N sing N 424 N sing N 425 N sing N 426 N sing N 427 N sing N 428 N sing N 429 N sing N 430 N sing N 431 N sing N 432 N sing N 433 N doub N 434 N sing N 435 N sing N 436 N sing N 437 N sing N 438 N sing N 439 N sing N 440 N sing N 441 N sing N 442 N sing N 443 N sing N 444 N sing GE Angew.Chem.Int.Ed.Engl. 9999 1433-7851 51 6140 6143 10.1002/anie.201201358 22566140 Discovery of Small Molecules that Bind to K-Ras and Inhibit Sos-Mediated Activation. 2012 10.2210/pdb4epy/pdb pdb_00004epy 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 2011-11-05 Bruker Platinum 135 Montel confocal, multi-layer mirrors SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE BRUKER AXS MICROSTAR 19354.824 GTPase KRas 3.6.5.2 G12V, C118S 1 man polymer 443.201 GUANOSINE-5'-DIPHOSPHATE 1 syn non-polymer 24.305 MAGNESIUM ION 1 syn non-polymer 359.424 N-[2-(1H-indol-3-ylmethyl)-1H-benzimidazol-5-yl]-L-prolinamide 1 syn non-polymer 18.015 water 282 nat water K-Ras 2, Ki-Ras, c-K-ras, c-Ki-ras, GTPase KRas, N-terminally processed no no GMTEYKLVVVGAVGVGKSALTIQLIQNHFVDEYDPTIEDSYRKQVVIDGETCLLDILDTAGQEEYSAMRDQYMRTGEGFL CVFAINNTKSFEDIHHYREQIKRVKDSEDVPMVLVGNKSDLPSRTVDTKQAQDLARSYGIPFIETSAKTRQGVDDAFYTL VREIRKHKEK GMTEYKLVVVGAVGVGKSALTIQLIQNHFVDEYDPTIEDSYRKQVVIDGETCLLDILDTAGQEEYSAMRDQYMRTGEGFL CVFAINNTKSFEDIHHYREQIKRVKDSEDVPMVLVGNKSDLPSRTVDTKQAQDLARSYGIPFIETSAKTRQGVDDAFYTL VREIRKHKEK A 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 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 human sample KRAS, KRAS2, RASK2 9606 Homo sapiens 562 Escherichia coli 1 1.91 35.75 VAPOR DIFFUSION, SITTING DROP 4 28% PEG4000, 0.1 M MMT, 0.2 M ammonium chloride, VAPOR DIFFUSION, SITTING DROP, temperature 291K 291 chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model pdbx_struct_conn_angle struct_conn struct_ref_seq_dif struct_site repository Initial release Database references Data collection Database references Derived calculations Refinement description 1 0 2012-05-23 1 1 2012-07-25 1 2 2023-09-13 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_asym_id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_comp_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_asym_id _pdbx_struct_conn_angle.ptnr3_label_atom_id _pdbx_struct_conn_angle.ptnr3_label_comp_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.value _struct_conn.pdbx_dist_value _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_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2012-04-17 REL REL GDP GUANOSINE-5'-DIPHOSPHATE MG MAGNESIUM ION 0QY N-[2-(1H-indol-3-ylmethyl)-1H-benzimidazol-5-yl]-L-prolinamide HOH water 4EPV PDB experimental model GDP 201 2 GDP GDP 201 A MG 301 3 MG MG 202 A JPB 401 4 0QY 0QY 203 A HOH 1 5 HOH HOH 301 A HOH 2 5 HOH HOH 302 A HOH 3 5 HOH HOH 303 A HOH 4 5 HOH HOH 304 A HOH 5 5 HOH HOH 305 A HOH 6 5 HOH HOH 306 A HOH 7 5 HOH HOH 307 A HOH 8 5 HOH HOH 308 A HOH 9 5 HOH HOH 309 A HOH 10 5 HOH HOH 310 A HOH 11 5 HOH HOH 311 A HOH 12 5 HOH HOH 312 A HOH 13 5 HOH HOH 313 A HOH 14 5 HOH HOH 314 A HOH 15 5 HOH HOH 315 A HOH 16 5 HOH HOH 316 A HOH 17 5 HOH HOH 317 A HOH 18 5 HOH HOH 318 A HOH 19 5 HOH HOH 319 A HOH 20 5 HOH HOH 320 A HOH 21 5 HOH HOH 321 A HOH 22 5 HOH HOH 322 A HOH 23 5 HOH HOH 323 A HOH 24 5 HOH HOH 324 A HOH 25 5 HOH HOH 325 A HOH 26 5 HOH HOH 326 A HOH 27 5 HOH HOH 327 A HOH 28 5 HOH HOH 328 A HOH 29 5 HOH HOH 329 A HOH 30 5 HOH HOH 330 A HOH 31 5 HOH HOH 331 A HOH 32 5 HOH HOH 332 A HOH 33 5 HOH HOH 333 A HOH 34 5 HOH HOH 334 A HOH 35 5 HOH HOH 335 A HOH 36 5 HOH HOH 336 A HOH 37 5 HOH HOH 337 A HOH 38 5 HOH HOH 338 A HOH 39 5 HOH HOH 339 A HOH 40 5 HOH HOH 340 A HOH 41 5 HOH HOH 341 A HOH 42 5 HOH HOH 342 A HOH 43 5 HOH HOH 343 A HOH 44 5 HOH HOH 344 A HOH 45 5 HOH HOH 345 A HOH 46 5 HOH HOH 346 A HOH 47 5 HOH HOH 347 A HOH 48 5 HOH HOH 348 A HOH 49 5 HOH HOH 349 A HOH 50 5 HOH HOH 350 A HOH 51 5 HOH HOH 351 A HOH 52 5 HOH HOH 352 A HOH 53 5 HOH HOH 353 A HOH 54 5 HOH HOH 354 A HOH 55 5 HOH HOH 355 A HOH 56 5 HOH HOH 356 A HOH 57 5 HOH HOH 357 A HOH 58 5 HOH HOH 358 A HOH 59 5 HOH HOH 359 A HOH 60 5 HOH HOH 360 A HOH 61 5 HOH HOH 361 A HOH 62 5 HOH HOH 362 A HOH 63 5 HOH HOH 363 A HOH 64 5 HOH HOH 364 A HOH 65 5 HOH HOH 365 A HOH 66 5 HOH HOH 366 A HOH 67 5 HOH HOH 367 A HOH 68 5 HOH HOH 368 A HOH 69 5 HOH HOH 369 A HOH 70 5 HOH HOH 370 A HOH 71 5 HOH HOH 371 A HOH 72 5 HOH HOH 372 A HOH 73 5 HOH HOH 373 A HOH 74 5 HOH HOH 374 A HOH 75 5 HOH HOH 375 A HOH 76 5 HOH HOH 376 A HOH 77 5 HOH HOH 377 A HOH 78 5 HOH HOH 378 A HOH 79 5 HOH HOH 379 A HOH 80 5 HOH HOH 380 A HOH 81 5 HOH HOH 381 A HOH 82 5 HOH HOH 382 A HOH 83 5 HOH HOH 383 A HOH 84 5 HOH HOH 384 A HOH 85 5 HOH HOH 385 A HOH 86 5 HOH HOH 386 A HOH 87 5 HOH HOH 387 A HOH 88 5 HOH HOH 388 A HOH 89 5 HOH HOH 389 A HOH 90 5 HOH HOH 390 A HOH 91 5 HOH HOH 391 A HOH 92 5 HOH HOH 392 A HOH 93 5 HOH HOH 393 A HOH 94 5 HOH HOH 394 A HOH 95 5 HOH HOH 395 A HOH 96 5 HOH HOH 396 A HOH 97 5 HOH HOH 397 A HOH 98 5 HOH HOH 398 A HOH 99 5 HOH HOH 399 A HOH 100 5 HOH HOH 400 A HOH 101 5 HOH HOH 401 A HOH 102 5 HOH HOH 402 A HOH 103 5 HOH HOH 403 A HOH 104 5 HOH HOH 404 A HOH 105 5 HOH HOH 405 A HOH 106 5 HOH HOH 406 A HOH 107 5 HOH HOH 407 A HOH 108 5 HOH HOH 408 A HOH 109 5 HOH HOH 409 A HOH 110 5 HOH HOH 410 A HOH 111 5 HOH HOH 411 A HOH 112 5 HOH HOH 412 A HOH 113 5 HOH HOH 413 A HOH 114 5 HOH HOH 414 A HOH 115 5 HOH HOH 415 A HOH 116 5 HOH HOH 416 A HOH 117 5 HOH HOH 417 A HOH 118 5 HOH HOH 418 A HOH 119 5 HOH HOH 419 A HOH 120 5 HOH HOH 420 A HOH 121 5 HOH HOH 421 A HOH 122 5 HOH HOH 422 A HOH 123 5 HOH HOH 423 A HOH 124 5 HOH HOH 424 A HOH 125 5 HOH HOH 425 A HOH 126 5 HOH HOH 426 A HOH 127 5 HOH HOH 427 A HOH 128 5 HOH HOH 428 A HOH 129 5 HOH HOH 429 A HOH 130 5 HOH HOH 430 A HOH 131 5 HOH HOH 431 A HOH 132 5 HOH HOH 432 A HOH 133 5 HOH HOH 433 A HOH 134 5 HOH HOH 434 A HOH 135 5 HOH HOH 435 A HOH 136 5 HOH HOH 436 A HOH 137 5 HOH HOH 437 A HOH 138 5 HOH HOH 438 A HOH 139 5 HOH HOH 439 A HOH 140 5 HOH HOH 440 A HOH 141 5 HOH HOH 441 A HOH 142 5 HOH HOH 442 A HOH 143 5 HOH HOH 443 A HOH 144 5 HOH HOH 444 A HOH 145 5 HOH HOH 445 A HOH 146 5 HOH HOH 446 A HOH 147 5 HOH HOH 447 A HOH 148 5 HOH HOH 448 A HOH 149 5 HOH HOH 449 A HOH 150 5 HOH HOH 450 A HOH 151 5 HOH HOH 451 A HOH 152 5 HOH HOH 452 A HOH 153 5 HOH HOH 453 A HOH 154 5 HOH HOH 454 A HOH 155 5 HOH HOH 455 A HOH 156 5 HOH HOH 456 A HOH 157 5 HOH HOH 457 A HOH 158 5 HOH HOH 458 A HOH 159 5 HOH HOH 459 A HOH 160 5 HOH HOH 460 A HOH 161 5 HOH HOH 461 A HOH 162 5 HOH HOH 462 A HOH 163 5 HOH HOH 463 A HOH 164 5 HOH HOH 464 A HOH 165 5 HOH HOH 465 A HOH 166 5 HOH HOH 466 A HOH 167 5 HOH HOH 467 A HOH 168 5 HOH HOH 468 A HOH 169 5 HOH HOH 469 A HOH 170 5 HOH HOH 470 A HOH 171 5 HOH HOH 471 A HOH 172 5 HOH HOH 472 A HOH 173 5 HOH HOH 473 A HOH 174 5 HOH HOH 474 A HOH 175 5 HOH HOH 475 A HOH 176 5 HOH HOH 476 A HOH 177 5 HOH HOH 477 A HOH 178 5 HOH HOH 478 A HOH 179 5 HOH HOH 479 A HOH 180 5 HOH HOH 480 A HOH 181 5 HOH HOH 481 A HOH 182 5 HOH HOH 482 A HOH 183 5 HOH HOH 483 A HOH 184 5 HOH HOH 484 A HOH 185 5 HOH HOH 485 A HOH 186 5 HOH HOH 486 A HOH 187 5 HOH HOH 487 A HOH 188 5 HOH HOH 488 A HOH 189 5 HOH HOH 489 A HOH 190 5 HOH HOH 490 A HOH 191 5 HOH HOH 491 A HOH 192 5 HOH HOH 492 A HOH 193 5 HOH HOH 493 A HOH 194 5 HOH HOH 494 A HOH 195 5 HOH HOH 495 A HOH 196 5 HOH HOH 496 A HOH 197 5 HOH HOH 497 A HOH 198 5 HOH HOH 498 A HOH 199 5 HOH HOH 499 A HOH 200 5 HOH HOH 500 A HOH 201 5 HOH HOH 501 A HOH 202 5 HOH HOH 502 A HOH 203 5 HOH HOH 503 A HOH 204 5 HOH HOH 504 A HOH 205 5 HOH HOH 505 A HOH 206 5 HOH HOH 506 A HOH 207 5 HOH HOH 507 A HOH 208 5 HOH HOH 508 A HOH 209 5 HOH HOH 509 A HOH 210 5 HOH HOH 510 A HOH 211 5 HOH HOH 511 A HOH 212 5 HOH HOH 512 A HOH 213 5 HOH HOH 513 A HOH 214 5 HOH HOH 514 A HOH 215 5 HOH HOH 515 A HOH 216 5 HOH HOH 516 A HOH 217 5 HOH HOH 517 A HOH 218 5 HOH HOH 518 A HOH 219 5 HOH HOH 519 A HOH 220 5 HOH HOH 520 A HOH 221 5 HOH HOH 521 A HOH 222 5 HOH HOH 522 A HOH 223 5 HOH HOH 523 A HOH 224 5 HOH HOH 524 A HOH 225 5 HOH HOH 525 A HOH 226 5 HOH HOH 526 A HOH 227 5 HOH HOH 527 A HOH 228 5 HOH HOH 528 A HOH 229 5 HOH HOH 529 A HOH 230 5 HOH HOH 530 A HOH 231 5 HOH HOH 531 A HOH 232 5 HOH HOH 532 A HOH 233 5 HOH HOH 533 A HOH 234 5 HOH HOH 534 A HOH 235 5 HOH HOH 535 A HOH 236 5 HOH HOH 536 A HOH 237 5 HOH HOH 537 A HOH 238 5 HOH HOH 538 A HOH 239 5 HOH HOH 539 A HOH 240 5 HOH HOH 540 A HOH 241 5 HOH HOH 541 A HOH 242 5 HOH HOH 542 A HOH 243 5 HOH HOH 543 A HOH 244 5 HOH HOH 544 A HOH 245 5 HOH HOH 545 A HOH 246 5 HOH HOH 546 A HOH 247 5 HOH HOH 547 A HOH 248 5 HOH HOH 548 A HOH 249 5 HOH HOH 549 A HOH 250 5 HOH HOH 550 A HOH 251 5 HOH HOH 551 A HOH 252 5 HOH HOH 552 A HOH 253 5 HOH HOH 553 A HOH 254 5 HOH HOH 554 A HOH 255 5 HOH HOH 555 A HOH 256 5 HOH HOH 556 A HOH 257 5 HOH HOH 557 A HOH 258 5 HOH HOH 558 A HOH 259 5 HOH HOH 559 A HOH 260 5 HOH HOH 560 A HOH 261 5 HOH HOH 561 A HOH 262 5 HOH HOH 562 A HOH 263 5 HOH HOH 563 A HOH 264 5 HOH HOH 564 A HOH 265 5 HOH HOH 565 A HOH 266 5 HOH HOH 566 A HOH 267 5 HOH HOH 567 A HOH 268 5 HOH HOH 568 A HOH 269 5 HOH HOH 569 A HOH 270 5 HOH HOH 570 A HOH 271 5 HOH HOH 571 A HOH 272 5 HOH HOH 572 A HOH 273 5 HOH HOH 573 A HOH 274 5 HOH HOH 574 A HOH 275 5 HOH HOH 575 A HOH 276 5 HOH HOH 576 A HOH 277 5 HOH HOH 577 A HOH 278 5 HOH HOH 578 A HOH 279 5 HOH HOH 579 A HOH 280 5 HOH HOH 580 A HOH 281 5 HOH HOH 581 A HOH 282 5 HOH HOH 582 A GLY 0 n 1 GLY 0 A MET 1 n 2 MET 1 A THR 2 n 3 THR 2 A GLU 3 n 4 GLU 3 A TYR 4 n 5 TYR 4 A LYS 5 n 6 LYS 5 A LEU 6 n 7 LEU 6 A VAL 7 n 8 VAL 7 A VAL 8 n 9 VAL 8 A VAL 9 n 10 VAL 9 A GLY 10 n 11 GLY 10 A ALA 11 n 12 ALA 11 A VAL 12 n 13 VAL 12 A GLY 13 n 14 GLY 13 A VAL 14 n 15 VAL 14 A GLY 15 n 16 GLY 15 A LYS 16 n 17 LYS 16 A SER 17 n 18 SER 17 A ALA 18 n 19 ALA 18 A LEU 19 n 20 LEU 19 A THR 20 n 21 THR 20 A ILE 21 n 22 ILE 21 A GLN 22 n 23 GLN 22 A LEU 23 n 24 LEU 23 A ILE 24 n 25 ILE 24 A GLN 25 n 26 GLN 25 A ASN 26 n 27 ASN 26 A HIS 27 n 28 HIS 27 A PHE 28 n 29 PHE 28 A VAL 29 n 30 VAL 29 A ASP 30 n 31 ASP 30 A GLU 31 n 32 GLU 31 A TYR 32 n 33 TYR 32 A ASP 33 n 34 ASP 33 A PRO 34 n 35 PRO 34 A THR 35 n 36 THR 35 A ILE 36 n 37 ILE 36 A GLU 37 n 38 GLU 37 A ASP 38 n 39 ASP 38 A SER 39 n 40 SER 39 A TYR 40 n 41 TYR 40 A ARG 41 n 42 ARG 41 A LYS 42 n 43 LYS 42 A GLN 43 n 44 GLN 43 A VAL 44 n 45 VAL 44 A VAL 45 n 46 VAL 45 A ILE 46 n 47 ILE 46 A ASP 47 n 48 ASP 47 A GLY 48 n 49 GLY 48 A GLU 49 n 50 GLU 49 A THR 50 n 51 THR 50 A CYS 51 n 52 CYS 51 A LEU 52 n 53 LEU 52 A LEU 53 n 54 LEU 53 A ASP 54 n 55 ASP 54 A ILE 55 n 56 ILE 55 A LEU 56 n 57 LEU 56 A ASP 57 n 58 ASP 57 A THR 58 n 59 THR 58 A ALA 59 n 60 ALA 59 A GLY 60 n 61 GLY 60 A GLN 61 n 62 GLN 61 A GLU 62 n 63 GLU 62 A GLU 63 n 64 GLU 63 A TYR 64 n 65 TYR 64 A SER 65 n 66 SER 65 A ALA 66 n 67 ALA 66 A MET 67 n 68 MET 67 A ARG 68 n 69 ARG 68 A ASP 69 n 70 ASP 69 A GLN 70 n 71 GLN 70 A TYR 71 n 72 TYR 71 A MET 72 n 73 MET 72 A ARG 73 n 74 ARG 73 A THR 74 n 75 THR 74 A GLY 75 n 76 GLY 75 A GLU 76 n 77 GLU 76 A GLY 77 n 78 GLY 77 A PHE 78 n 79 PHE 78 A LEU 79 n 80 LEU 79 A CYS 80 n 81 CYS 80 A VAL 81 n 82 VAL 81 A PHE 82 n 83 PHE 82 A ALA 83 n 84 ALA 83 A ILE 84 n 85 ILE 84 A ASN 85 n 86 ASN 85 A ASN 86 n 87 ASN 86 A THR 87 n 88 THR 87 A LYS 88 n 89 LYS 88 A SER 89 n 90 SER 89 A PHE 90 n 91 PHE 90 A GLU 91 n 92 GLU 91 A ASP 92 n 93 ASP 92 A ILE 93 n 94 ILE 93 A HIS 94 n 95 HIS 94 A HIS 95 n 96 HIS 95 A TYR 96 n 97 TYR 96 A ARG 97 n 98 ARG 97 A GLU 98 n 99 GLU 98 A GLN 99 n 100 GLN 99 A ILE 100 n 101 ILE 100 A LYS 101 n 102 LYS 101 A ARG 102 n 103 ARG 102 A VAL 103 n 104 VAL 103 A LYS 104 n 105 LYS 104 A ASP 105 n 106 ASP 105 A SER 106 n 107 SER 106 A GLU 107 n 108 GLU 107 A ASP 108 n 109 ASP 108 A VAL 109 n 110 VAL 109 A PRO 110 n 111 PRO 110 A MET 111 n 112 MET 111 A VAL 112 n 113 VAL 112 A LEU 113 n 114 LEU 113 A VAL 114 n 115 VAL 114 A GLY 115 n 116 GLY 115 A ASN 116 n 117 ASN 116 A LYS 117 n 118 LYS 117 A SER 118 n 119 SER 118 A ASP 119 n 120 ASP 119 A LEU 120 n 121 LEU 120 A PRO 121 n 122 PRO 121 A SER 122 n 123 SER 122 A ARG 123 n 124 ARG 123 A THR 124 n 125 THR 124 A VAL 125 n 126 VAL 125 A ASP 126 n 127 ASP 126 A THR 127 n 128 THR 127 A LYS 128 n 129 LYS 128 A GLN 129 n 130 GLN 129 A ALA 130 n 131 ALA 130 A GLN 131 n 132 GLN 131 A ASP 132 n 133 ASP 132 A LEU 133 n 134 LEU 133 A ALA 134 n 135 ALA 134 A ARG 135 n 136 ARG 135 A SER 136 n 137 SER 136 A TYR 137 n 138 TYR 137 A GLY 138 n 139 GLY 138 A ILE 139 n 140 ILE 139 A PRO 140 n 141 PRO 140 A PHE 141 n 142 PHE 141 A ILE 142 n 143 ILE 142 A GLU 143 n 144 GLU 143 A THR 144 n 145 THR 144 A SER 145 n 146 SER 145 A ALA 146 n 147 ALA 146 A LYS 147 n 148 LYS 147 A THR 148 n 149 THR 148 A ARG 149 n 150 ARG 149 A GLN 150 n 151 GLN 150 A GLY 151 n 152 GLY 151 A VAL 152 n 153 VAL 152 A ASP 153 n 154 ASP 153 A ASP 154 n 155 ASP 154 A ALA 155 n 156 ALA 155 A PHE 156 n 157 PHE 156 A TYR 157 n 158 TYR 157 A THR 158 n 159 THR 158 A LEU 159 n 160 LEU 159 A VAL 160 n 161 VAL 160 A ARG 161 n 162 ARG 161 A GLU 162 n 163 GLU 162 A ILE 163 n 164 ILE 163 A ARG 164 n 165 ARG 164 A LYS 165 n 166 LYS 165 A HIS 166 n 167 HIS 166 A LYS 167 n 168 LYS 167 A GLU 168 n 169 GLU 168 A LYS 169 n 170 LYS 169 A author_and_software_defined_assembly PISA 1 monomeric A SER 17 A OG SER 18 1_555 A MG 202 C MG MG 1_555 A GDP 201 B O1B GDP 1_555 90.3 A SER 17 A OG SER 18 1_555 A MG 202 C MG MG 1_555 A HOH 304 E O HOH 1_555 93.4 A GDP 201 B O1B GDP 1_555 A MG 202 C MG MG 1_555 A HOH 304 E O HOH 1_555 169.6 A SER 17 A OG SER 18 1_555 A MG 202 C MG MG 1_555 A HOH 305 E O HOH 1_555 83.6 A GDP 201 B O1B GDP 1_555 A MG 202 C MG MG 1_555 A HOH 305 E O HOH 1_555 88.8 A HOH 304 E O HOH 1_555 A MG 202 C MG MG 1_555 A HOH 305 E O HOH 1_555 101.3 A SER 17 A OG SER 18 1_555 A MG 202 C MG MG 1_555 A HOH 314 E O HOH 1_555 87.7 A GDP 201 B O1B GDP 1_555 A MG 202 C MG MG 1_555 A HOH 314 E O HOH 1_555 88.2 A HOH 304 E O HOH 1_555 A MG 202 C MG MG 1_555 A HOH 314 E O HOH 1_555 82.2 A HOH 305 E O HOH 1_555 A MG 202 C MG MG 1_555 A HOH 314 E O HOH 1_555 170.8 A SER 17 A OG SER 18 1_555 A MG 202 C MG MG 1_555 A HOH 450 E O HOH 1_555 176.5 A GDP 201 B O1B GDP 1_555 A MG 202 C MG MG 1_555 A HOH 450 E O HOH 1_555 91.6 A HOH 304 E O HOH 1_555 A MG 202 C MG MG 1_555 A HOH 450 E O HOH 1_555 85.2 A HOH 305 E O HOH 1_555 A MG 202 C MG MG 1_555 A HOH 450 E O HOH 1_555 93.5 A HOH 314 E O HOH 1_555 A MG 202 C MG MG 1_555 A HOH 450 E O HOH 1_555 95.3 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 TYR 40 A N TYR 41 A O ILE 55 A O ILE 56 A O LEU 56 A O LEU 57 A N LEU 6 A N LEU 7 A N VAL 9 A N VAL 10 A O LEU 79 A O LEU 80 A N PHE 82 A N PHE 83 A O ASN 116 A O ASN 117 A N LEU 113 A N LEU 114 A O ILE 142 A O ILE 143 1 A A O O HOH HOH 538 542 1.88 1 A A O O HOH HOH 561 565 1.94 1 A A O O HOH HOH 376 465 1.95 1 A A O O HOH HOH 550 581 1.98 1 A A O O HOH HOH 462 524 1.99 1 A A OE2 O GLU HOH 91 507 2.00 1 A A O O HOH HOH 515 531 2.03 1 A A OE2 O GLU HOH 76 348 2.19 1 A A O O HOH HOH 560 562 1.77 1_555 3_545 1 A A O O HOH HOH 496 505 1.94 1_555 3_545 1 A A O O HOH HOH 429 465 2.06 1_555 1_655 1 A LYS 117 71.29 33.83 -3.1960 0.0000 0.0000 2.5412 0.0000 0.6548 0.1991 0.1606 0.1625 1.801 27.13 690 14390 13753 5.02 95.96 0.38 1 1.34 MOLECULAR REPLACEMENT 17.13 0.86 1.10 4EPV ML FLAT BULK SOLVENT MODEL 29.295 0.327 1.801 27.13 282 1696 56 0 1358 0.004 1440 0.829 1951 15.672 540 0.053 214 0.003 247 0.2559 0.1976 1.9404 121 2113 80.00 0.2117 0.1613 2.1356 141 2665 100.00 0.2199 0.1624 2.4445 134 2709 100.00 0.1997 0.1607 3.0791 151 2705 100.00 0.1685 0.1513 27.1368 143 2871 100.00 1.8 27.13 4EPY 14390 13808 0 -3 0.087 1 13.8 96 0.098 1.8 1.83 7.0 1 1.3 39.8 data collection PROTEUM PLUS PLUS phasing PHASER refinement PHENIX (phenix.refine: 1.7.2_869) data reduction HKL-2000 data scaling HKL-2000 Discovery of Small Molecules that Bind to K-Ras and Inhibit Sos-mediated Activation 1 N N 2 N N 3 N N 4 N N 5 N N A GLY 15 A GLY 16 HELX_P A ASN 26 A ASN 27 1 1 12 A TYR 64 A TYR 65 HELX_P A GLY 75 A GLY 76 1 2 12 A ASN 86 A ASN 87 HELX_P A ASP 105 A ASP 106 1 3 20 A ASP 126 A ASP 127 HELX_P A GLY 138 A GLY 139 1 4 13 A GLY 151 A GLY 152 HELX_P A GLU 168 A GLU 169 1 5 18 metalc 2.540 A SER 17 A OG SER 18 1_555 A MG 202 C MG MG 1_555 metalc 2.508 A GDP 201 B O1B GDP 1_555 A MG 202 C MG MG 1_555 metalc 2.129 A MG 202 C MG MG 1_555 A HOH 304 E O HOH 1_555 metalc 2.268 A MG 202 C MG MG 1_555 A HOH 305 E O HOH 1_555 metalc 2.262 A MG 202 C MG MG 1_555 A HOH 314 E O HOH 1_555 metalc 2.115 A MG 202 C MG MG 1_555 A HOH 450 E O HOH 1_555 HYDROLASE Small molecule complex crystal structure, KRas, p21, GTP-binding protein, oncogenes, binder, HYDROLASE, Inhibitor of Sos-mediated activation RASK_HUMAN UNP 1 1 P01116 MTEYKLVVVGAGGVGKSALTIQLIQNHFVDEYDPTIEDSYRKQVVIDGETCLLDILDTAGQEEYSAMRDQYMRTGEGFLC VFAINNTKSFEDIHHYREQIKRVKDSEDVPMVLVGNKCDLPSRTVDTKQAQDLARSYGIPFIETSAKTRQGVDDAFYTLV REIRKHKEK 1 169 4EPY 1 169 P01116 A 1 2 170 1 expression tag GLY 0 4EPY A P01116 UNP 1 1 GLY engineered mutation VAL 12 4EPY A P01116 UNP 12 13 1 CYS engineered mutation SER 118 4EPY A P01116 UNP 118 119 6 anti-parallel parallel parallel parallel parallel A ASP 38 A ASP 39 A ILE 46 A ILE 47 A GLU 49 A GLU 50 A ASP 57 A ASP 58 A GLU 3 A GLU 4 A VAL 9 A VAL 10 A GLY 77 A GLY 78 A ALA 83 A ALA 84 A MET 111 A MET 112 A ASN 116 A ASN 117 A PHE 141 A PHE 142 A GLU 143 A GLU 144 BINDING SITE FOR RESIDUE GDP A 201 A GDP 201 Software 23 BINDING SITE FOR RESIDUE MG A 202 A MG 202 Software 6 BINDING SITE FOR RESIDUE 0QY A 203 A 0QY 203 Software 13 A GLY 13 A GLY 14 23 1_555 A VAL 14 A VAL 15 23 1_555 A GLY 15 A GLY 16 23 1_555 A LYS 16 A LYS 17 23 1_555 A SER 17 A SER 18 23 1_555 A ALA 18 A ALA 19 23 1_555 A PHE 28 A PHE 29 23 1_555 A ASP 30 A ASP 31 23 1_555 A TYR 32 A TYR 33 23 1_555 A ASN 116 A ASN 117 23 1_555 A LYS 117 A LYS 118 23 1_555 A ASP 119 A ASP 120 23 1_555 A LEU 120 A LEU 121 23 1_555 A SER 145 A SER 146 23 1_555 A ALA 146 A ALA 147 23 1_555 A LYS 147 A LYS 148 23 1_555 A MG 202 C MG 23 1_555 A HOH 310 E HOH 23 1_555 A HOH 314 E HOH 23 1_555 A HOH 427 E HOH 23 1_555 A HOH 450 E HOH 23 1_555 A HOH 514 E HOH 23 1_555 A HOH 516 E HOH 23 1_555 A SER 17 A SER 18 6 1_555 A GDP 201 B GDP 6 1_555 A HOH 304 E HOH 6 1_555 A HOH 305 E HOH 6 1_555 A HOH 314 E HOH 6 1_555 A HOH 450 E HOH 6 1_555 A LEU 6 A LEU 7 13 1_555 A VAL 7 A VAL 8 13 1_555 A GLU 37 A GLU 38 13 1_555 A ASP 38 A ASP 39 13 1_555 A SER 39 A SER 40 13 1_555 A ASP 54 A ASP 55 13 1_555 A TYR 71 A TYR 72 13 1_555 A THR 74 A THR 75 13 1_555 A HOH 331 E HOH 13 1_555 A HOH 333 E HOH 13 1_555 A HOH 408 E HOH 13 1_555 A HOH 509 E HOH 13 1_555 A HOH 521 E HOH 13 1_555 19 P 21 21 21