0.009776 0.000000 0.001794 0.000000 0.014556 0.000000 0.000000 0.000000 0.017679 0.00000 0.00000 0.00000 Sevcik, J. Dauter, Z. Wilson, K.S. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 12 90.00 100.40 90.00 102.290 68.700 57.510 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 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 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 O4 S -2 96.063 SULFATE ION non-polymer 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 R C N 76 N C N 77 N O N 78 N C N 79 N S N 80 N O 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 N N 89 S C N 90 N C N 91 N O N 92 N C 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 H N 107 N H N 108 N N N 109 S C N 110 N C N 111 N O N 112 N C N 113 N C N 114 N C N 115 N O 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 H N 124 N H N 125 N H N 126 N H N 127 N N N 128 N C N 129 N C N 130 N O N 131 N O N 132 N H N 133 N H N 134 N H N 135 N H N 136 N H N 137 N N N 138 S C N 139 N C N 140 N O N 141 N C Y 142 N C Y 143 N N Y 144 N C Y 145 N C Y 146 N N N 147 N O N 148 N H N 149 N H N 150 N H N 151 N H N 152 N H N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N O N 159 N H N 160 N H N 161 N N N 162 S C N 163 N C N 164 N O N 165 S C N 166 N C N 167 N C N 168 N C N 169 N O 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 H N 180 N H N 181 N H N 182 N H N 183 N N N 184 S C N 185 N C N 186 N O N 187 N C N 188 N C N 189 N C N 190 N C N 191 N O 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 H N 200 N H N 201 N H N 202 N H N 203 N H N 204 N H N 205 N N N 206 S C N 207 N C N 208 N O N 209 N C N 210 N C N 211 N C N 212 N C N 213 N N N 214 N O N 215 N H N 216 N H N 217 N H N 218 N H N 219 N H N 220 N H N 221 N H N 222 N H N 223 N H N 224 N H N 225 N H N 226 N H N 227 N H N 228 N H N 229 N H N 230 N N N 231 S C N 232 N C N 233 N O N 234 N C Y 235 N C Y 236 N C Y 237 N C Y 238 N C Y 239 N C Y 240 N C N 241 N O 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 H N 251 N H N 252 N H N 253 N N N 254 S C N 255 N C N 256 N O 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 N N 271 S C N 272 N C N 273 N O N 274 N C N 275 N O N 276 N O N 277 N H 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 S N 285 N O N 286 N O N 287 N O N 288 N O N 289 N N N 290 S C N 291 N C N 292 N O N 293 R C N 294 N O N 295 N C N 296 N O N 297 N H N 298 N H N 299 N H N 300 N H N 301 N H N 302 N H N 303 N H N 304 N H N 305 N H N 306 N N N 307 S C N 308 N C N 309 N O N 310 N C Y 311 N C Y 312 N C Y 313 N C Y 314 N N Y 315 N C Y 316 N C Y 317 N C Y 318 N C Y 319 N C N 320 N O N 321 N H N 322 N H N 323 N H N 324 N H N 325 N H N 326 N H 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 N N 334 S C N 335 N C N 336 N O N 337 N C Y 338 N C Y 339 N C Y 340 N C Y 341 N C Y 342 N C Y 343 N C N 344 N O N 345 N O N 346 N H N 347 N H N 348 N H N 349 N H N 350 N H N 351 N H N 352 N H N 353 N H N 354 N H N 355 N H N 356 N H N 357 N N N 358 S C N 359 N C N 360 N O N 361 N C N 362 N C N 363 N C N 364 N O N 365 N H N 366 N H N 367 N H N 368 N H N 369 N H N 370 N H N 371 N H N 372 N H N 373 N H N 374 N H N 375 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 sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N doub 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 sing N 103 N sing N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N doub N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N doub N 117 N sing N 118 N sing 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 doub N 127 N sing N 128 N sing 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 Y 140 N sing Y 141 N doub Y 142 N doub N 143 N sing Y 144 N sing N 145 N sing Y 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 doub 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 sing 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 doub 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 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 sing N 195 N sing N 196 N sing N 197 N sing N 198 N sing N 199 N sing N 200 N doub 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 doub N 225 N sing N 226 N sing N 227 N sing N 228 N sing Y 229 N doub Y 230 N sing Y 231 N sing N 232 N sing Y 233 N doub N 234 N sing Y 235 N doub N 236 N sing Y 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 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 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 doub 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 doub N 272 N doub 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 sing N 281 N doub 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 Y 302 N doub Y 303 N sing Y 304 N sing N 305 N sing Y 306 N doub Y 307 N sing Y 308 N sing N 309 N sing Y 310 N sing Y 311 N doub N 312 N sing Y 313 N doub N 314 N sing Y 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 sing N 322 N sing N 323 N sing N 324 N sing N 325 N doub N 326 N sing N 327 N sing N 328 N sing N 329 N sing Y 330 N doub Y 331 N sing Y 332 N sing N 333 N sing Y 334 N doub N 335 N sing Y 336 N doub N 337 N sing Y 338 N sing N 339 N sing N 340 N sing N 341 N sing N 342 N sing N 343 N sing N 344 N sing N 345 N sing N 346 N sing N 347 N sing N 348 N sing N 349 N doub N 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 DK Acta Crystallogr.,Sect.D ABCRE6 0766 0907-4449 60 1198 1204 10.1107/S0907444904009035 15213380 Crystal structure reveals two alternative conformations in the active site of ribonuclease Sa2. 2004 US Protein Expr.Purif. PEXPEJ 0757 1046-5928 11 162 168 10.1006/prep.1997.0776 Purification of Ribonucleases Sa, Sa2 and Sa3 after Expression in Escherichia coli 1997 10.2210/pdb1py3/pdb pdb_00001py3 chirality error at N27A,V37A,N51A,N33B 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 293.0 1 mirrors AREA DETECTOR 1996-04-17 MARRESEARCH Si 111 CHANNEL SINGLE WAVELENGTH M x-ray 1 0.9185 1.0 X31 EMBL/DESY, HAMBURG 0.9185 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 10909.012 ribonuclease 3.1.4.8 3 man polymer 96.063 SULFATE ION 1 syn non-polymer 18.015 water 277 nat water no no ADPALADVCRTKLPSQAQDTLALIAKNGPYPYNRDGVVFENRESRLPKKGNGYYHEFTVVTPGSNDRGTRRVVTGGYGEQ YWSPDHYATFQEIDPRC ADPALADVCRTKLPSQAQDTLALIAKNGPYPYNRDGVVFENRESRLPKKGNGYYHEFTVVTPGSNDRGTRRVVTGGYGEQ YWSPDHYATFQEIDPRC A,B,C 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 Streptomyces R8-26 Escherichia sample 1894 Streptomyces aureofaciens 562 Escherichia coli PLASMID pEH100 1 3.03 59.46 VAPOR DIFFUSION, HANGING DROP 7.2 ammonium sulfate, phosphate buffer, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K 293 chem_comp_atom chem_comp_bond database_2 diffrn_source pdbx_initial_refinement_model pdbx_struct_special_symmetry struct_site repository Initial release Version format compliance Version format compliance Other Data collection Database references Derived calculations Refinement description 1 0 2004-07-13 1 1 2008-04-29 1 2 2011-07-13 1 3 2012-07-25 1 4 2023-08-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _diffrn_source.pdbx_synchrotron_site _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id Ribonuclease Sa at 1.2 A resolution Ribonuclease Sa at 1.0 A resolution Ribonuclease Sa3 Ribonuclease Sa3 RCSB Y RCSB 2003-07-08 REL REL SO4 SULFATE ION HOH water 1RGG PDB entry 1RGG PDB experimental model SO4 98 2 SO4 SO4 300 A HOH 1 3 HOH HOH 301 A HOH 2 3 HOH HOH 302 A HOH 3 3 HOH HOH 303 A HOH 4 3 HOH HOH 304 A HOH 5 3 HOH HOH 305 A HOH 8 3 HOH HOH 306 A HOH 10 3 HOH HOH 307 A HOH 11 3 HOH HOH 308 A HOH 12 3 HOH HOH 309 A HOH 14 3 HOH HOH 310 A HOH 19 3 HOH HOH 311 A HOH 21 3 HOH HOH 312 A HOH 24 3 HOH HOH 313 A HOH 27 3 HOH HOH 314 A HOH 30 3 HOH HOH 315 A HOH 38 3 HOH HOH 316 A HOH 39 3 HOH HOH 317 A HOH 43 3 HOH HOH 318 A HOH 44 3 HOH HOH 319 A HOH 46 3 HOH HOH 320 A HOH 47 3 HOH HOH 321 A HOH 48 3 HOH HOH 322 A HOH 49 3 HOH HOH 323 A HOH 50 3 HOH HOH 324 A HOH 51 3 HOH HOH 325 A HOH 52 3 HOH HOH 326 A HOH 54 3 HOH HOH 327 A HOH 55 3 HOH HOH 328 A HOH 57 3 HOH HOH 329 A HOH 58 3 HOH HOH 330 A HOH 64 3 HOH HOH 331 A HOH 65 3 HOH HOH 332 A HOH 68 3 HOH HOH 333 A HOH 71 3 HOH HOH 334 A HOH 73 3 HOH HOH 335 A HOH 74 3 HOH HOH 336 A HOH 76 3 HOH HOH 337 A HOH 78 3 HOH HOH 338 A HOH 79 3 HOH HOH 339 A HOH 80 3 HOH HOH 340 A HOH 82 3 HOH HOH 341 A HOH 84 3 HOH HOH 342 A HOH 85 3 HOH HOH 343 A HOH 87 3 HOH HOH 344 A HOH 89 3 HOH HOH 345 A HOH 93 3 HOH HOH 346 A HOH 94 3 HOH HOH 347 A HOH 99 3 HOH HOH 348 A HOH 101 3 HOH HOH 349 A HOH 103 3 HOH HOH 350 A HOH 110 3 HOH HOH 351 A HOH 111 3 HOH HOH 352 A HOH 112 3 HOH HOH 353 A HOH 113 3 HOH HOH 354 A HOH 114 3 HOH HOH 355 A HOH 120 3 HOH HOH 356 A HOH 121 3 HOH HOH 357 A HOH 122 3 HOH HOH 358 A HOH 124 3 HOH HOH 359 A HOH 130 3 HOH HOH 360 A HOH 131 3 HOH HOH 361 A HOH 132 3 HOH HOH 362 A HOH 133 3 HOH HOH 363 A HOH 136 3 HOH HOH 364 A HOH 148 3 HOH HOH 365 A HOH 150 3 HOH HOH 366 A HOH 151 3 HOH HOH 367 A HOH 156 3 HOH HOH 368 A HOH 157 3 HOH HOH 369 A HOH 159 3 HOH HOH 370 A HOH 171 3 HOH HOH 371 A HOH 177 3 HOH HOH 372 A HOH 179 3 HOH HOH 373 A HOH 187 3 HOH HOH 374 A HOH 191 3 HOH HOH 375 A HOH 192 3 HOH HOH 376 A HOH 196 3 HOH HOH 377 A HOH 204 3 HOH HOH 378 A HOH 205 3 HOH HOH 379 A HOH 212 3 HOH HOH 380 A HOH 213 3 HOH HOH 381 A HOH 218 3 HOH HOH 382 A HOH 219 3 HOH HOH 383 A HOH 220 3 HOH HOH 384 A HOH 221 3 HOH HOH 385 A HOH 222 3 HOH HOH 386 A HOH 223 3 HOH HOH 387 A HOH 225 3 HOH HOH 388 A HOH 227 3 HOH HOH 389 A HOH 228 3 HOH HOH 390 A HOH 232 3 HOH HOH 391 A HOH 234 3 HOH HOH 392 A HOH 236 3 HOH HOH 393 A HOH 237 3 HOH HOH 394 A HOH 238 3 HOH HOH 395 A HOH 243 3 HOH HOH 396 A HOH 246 3 HOH HOH 397 A HOH 248 3 HOH HOH 398 A HOH 249 3 HOH HOH 399 A HOH 250 3 HOH HOH 400 A HOH 251 3 HOH HOH 401 A HOH 253 3 HOH HOH 402 A HOH 262 3 HOH HOH 403 A HOH 268 3 HOH HOH 404 A HOH 270 3 HOH HOH 405 A HOH 271 3 HOH HOH 406 A HOH 273 3 HOH HOH 407 A HOH 276 3 HOH HOH 408 A HOH 277 3 HOH HOH 409 A HOH 6 3 HOH HOH 98 B HOH 9 3 HOH HOH 99 B HOH 17 3 HOH HOH 100 B HOH 23 3 HOH HOH 101 B HOH 25 3 HOH HOH 102 B HOH 26 3 HOH HOH 103 B HOH 28 3 HOH HOH 104 B HOH 29 3 HOH HOH 105 B HOH 31 3 HOH HOH 106 B HOH 32 3 HOH HOH 107 B HOH 35 3 HOH HOH 108 B HOH 37 3 HOH HOH 109 B HOH 40 3 HOH HOH 110 B HOH 42 3 HOH HOH 111 B HOH 45 3 HOH HOH 112 B HOH 53 3 HOH HOH 113 B HOH 56 3 HOH HOH 114 B HOH 59 3 HOH HOH 115 B HOH 61 3 HOH HOH 116 B HOH 62 3 HOH HOH 117 B HOH 66 3 HOH HOH 118 B HOH 72 3 HOH HOH 119 B HOH 77 3 HOH HOH 120 B HOH 81 3 HOH HOH 121 B HOH 83 3 HOH HOH 122 B HOH 86 3 HOH HOH 123 B HOH 92 3 HOH HOH 124 B HOH 95 3 HOH HOH 125 B HOH 98 3 HOH HOH 126 B HOH 100 3 HOH HOH 127 B HOH 102 3 HOH HOH 128 B HOH 104 3 HOH HOH 129 B HOH 105 3 HOH HOH 130 B HOH 106 3 HOH HOH 131 B HOH 108 3 HOH HOH 132 B HOH 109 3 HOH HOH 133 B HOH 118 3 HOH HOH 134 B HOH 119 3 HOH HOH 135 B HOH 125 3 HOH HOH 136 B HOH 126 3 HOH HOH 137 B HOH 138 3 HOH HOH 138 B HOH 140 3 HOH HOH 139 B HOH 141 3 HOH HOH 140 B HOH 142 3 HOH HOH 141 B HOH 145 3 HOH HOH 142 B HOH 147 3 HOH HOH 143 B HOH 152 3 HOH HOH 144 B HOH 153 3 HOH HOH 145 B HOH 154 3 HOH HOH 146 B HOH 155 3 HOH HOH 147 B HOH 164 3 HOH HOH 148 B HOH 165 3 HOH HOH 149 B HOH 167 3 HOH HOH 150 B HOH 168 3 HOH HOH 151 B HOH 169 3 HOH HOH 152 B HOH 172 3 HOH HOH 153 B HOH 174 3 HOH HOH 154 B HOH 181 3 HOH HOH 155 B HOH 186 3 HOH HOH 156 B HOH 195 3 HOH HOH 157 B HOH 198 3 HOH HOH 158 B HOH 199 3 HOH HOH 159 B HOH 201 3 HOH HOH 160 B HOH 206 3 HOH HOH 161 B HOH 207 3 HOH HOH 162 B HOH 208 3 HOH HOH 163 B HOH 209 3 HOH HOH 164 B HOH 216 3 HOH HOH 165 B HOH 217 3 HOH HOH 166 B HOH 226 3 HOH HOH 167 B HOH 231 3 HOH HOH 168 B HOH 235 3 HOH HOH 169 B HOH 240 3 HOH HOH 170 B HOH 241 3 HOH HOH 171 B HOH 247 3 HOH HOH 172 B HOH 252 3 HOH HOH 173 B HOH 254 3 HOH HOH 174 B HOH 256 3 HOH HOH 175 B HOH 258 3 HOH HOH 176 B HOH 259 3 HOH HOH 177 B HOH 260 3 HOH HOH 178 B HOH 261 3 HOH HOH 179 B HOH 263 3 HOH HOH 180 B HOH 265 3 HOH HOH 181 B HOH 275 3 HOH HOH 182 B HOH 7 3 HOH HOH 98 C HOH 13 3 HOH HOH 99 C HOH 15 3 HOH HOH 100 C HOH 16 3 HOH HOH 101 C HOH 18 3 HOH HOH 102 C HOH 20 3 HOH HOH 103 C HOH 22 3 HOH HOH 104 C HOH 33 3 HOH HOH 105 C HOH 34 3 HOH HOH 106 C HOH 36 3 HOH HOH 107 C HOH 41 3 HOH HOH 108 C HOH 60 3 HOH HOH 109 C HOH 63 3 HOH HOH 110 C HOH 67 3 HOH HOH 111 C HOH 69 3 HOH HOH 112 C HOH 70 3 HOH HOH 113 C HOH 75 3 HOH HOH 114 C HOH 88 3 HOH HOH 115 C HOH 90 3 HOH HOH 116 C HOH 91 3 HOH HOH 117 C HOH 96 3 HOH HOH 118 C HOH 97 3 HOH HOH 119 C HOH 107 3 HOH HOH 120 C HOH 115 3 HOH HOH 121 C HOH 116 3 HOH HOH 122 C HOH 117 3 HOH HOH 123 C HOH 123 3 HOH HOH 124 C HOH 127 3 HOH HOH 125 C HOH 128 3 HOH HOH 126 C HOH 129 3 HOH HOH 127 C HOH 134 3 HOH HOH 128 C HOH 135 3 HOH HOH 129 C HOH 137 3 HOH HOH 130 C HOH 139 3 HOH HOH 131 C HOH 143 3 HOH HOH 132 C HOH 144 3 HOH HOH 133 C HOH 146 3 HOH HOH 134 C HOH 149 3 HOH HOH 135 C HOH 158 3 HOH HOH 136 C HOH 160 3 HOH HOH 137 C HOH 161 3 HOH HOH 138 C HOH 162 3 HOH HOH 139 C HOH 163 3 HOH HOH 140 C HOH 166 3 HOH HOH 141 C HOH 170 3 HOH HOH 142 C HOH 173 3 HOH HOH 143 C HOH 175 3 HOH HOH 144 C HOH 176 3 HOH HOH 145 C HOH 178 3 HOH HOH 146 C HOH 180 3 HOH HOH 147 C HOH 182 3 HOH HOH 148 C HOH 183 3 HOH HOH 149 C HOH 184 3 HOH HOH 150 C HOH 185 3 HOH HOH 151 C HOH 188 3 HOH HOH 152 C HOH 189 3 HOH HOH 153 C HOH 190 3 HOH HOH 154 C HOH 193 3 HOH HOH 155 C HOH 194 3 HOH HOH 156 C HOH 197 3 HOH HOH 157 C HOH 200 3 HOH HOH 158 C HOH 202 3 HOH HOH 159 C HOH 203 3 HOH HOH 160 C HOH 210 3 HOH HOH 161 C HOH 211 3 HOH HOH 162 C HOH 214 3 HOH HOH 163 C HOH 215 3 HOH HOH 164 C HOH 224 3 HOH HOH 165 C HOH 229 3 HOH HOH 166 C HOH 230 3 HOH HOH 167 C HOH 233 3 HOH HOH 168 C HOH 239 3 HOH HOH 169 C HOH 242 3 HOH HOH 170 C HOH 244 3 HOH HOH 171 C HOH 245 3 HOH HOH 172 C HOH 255 3 HOH HOH 173 C HOH 257 3 HOH HOH 174 C HOH 264 3 HOH HOH 175 C HOH 266 3 HOH HOH 176 C HOH 267 3 HOH HOH 177 C HOH 269 3 HOH HOH 178 C HOH 272 3 HOH HOH 179 C HOH 274 3 HOH HOH 180 C n 1 1 A n 2 2 A n 3 3 A ALA 4 n 4 ALA 4 A LEU 5 n 5 LEU 5 A ALA 6 n 6 ALA 6 A ASP 7 n 7 ASP 7 A VAL 8 n 8 VAL 8 A CYS 9 n 9 CYS 9 A ARG 10 n 10 ARG 10 A THR 11 n 11 THR 11 A LYS 12 n 12 LYS 12 A LEU 13 n 13 LEU 13 A PRO 14 n 14 PRO 14 A SER 15 n 15 SER 15 A GLN 16 n 16 GLN 16 A ALA 17 n 17 ALA 17 A GLN 18 n 18 GLN 18 A ASP 19 n 19 ASP 19 A THR 20 n 20 THR 20 A LEU 21 n 21 LEU 21 A ALA 22 n 22 ALA 22 A LEU 23 n 23 LEU 23 A ILE 24 n 24 ILE 24 A ALA 25 n 25 ALA 25 A LYS 26 n 26 LYS 26 A ASN 27 n 27 ASN 27 A GLY 28 n 28 GLY 28 A PRO 29 n 29 PRO 29 A TYR 30 n 30 TYR 30 A PRO 31 n 31 PRO 31 A TYR 32 n 32 TYR 32 A ASN 33 n 33 ASN 33 A ARG 34 n 34 ARG 34 A ASP 35 n 35 ASP 35 A GLY 36 n 36 GLY 36 A VAL 37 n 37 VAL 37 A VAL 38 n 38 VAL 38 A PHE 39 n 39 PHE 39 A GLU 40 n 40 GLU 40 A ASN 41 n 41 ASN 41 A ARG 42 n 42 ARG 42 A GLU 43 n 43 GLU 43 A SER 44 n 44 SER 44 A ARG 45 n 45 ARG 45 A LEU 46 n 46 LEU 46 A PRO 47 n 47 PRO 47 A LYS 48 n 48 LYS 48 A LYS 49 n 49 LYS 49 A GLY 50 n 50 GLY 50 A ASN 51 n 51 ASN 51 A GLY 52 n 52 GLY 52 A TYR 53 n 53 TYR 53 A TYR 54 n 54 TYR 54 A HIS 55 n 55 HIS 55 A GLU 56 n 56 GLU 56 A PHE 57 n 57 PHE 57 A THR 58 n 58 THR 58 A VAL 59 n 59 VAL 59 A VAL 60 n 60 VAL 60 A THR 61 n 61 THR 61 A PRO 62 n 62 PRO 62 A GLY 63 n 63 GLY 63 A SER 64 n 64 SER 64 A ASN 65 n 65 ASN 65 A ASP 66 n 66 ASP 66 A ARG 67 n 67 ARG 67 A GLY 68 n 68 GLY 68 A THR 69 n 69 THR 69 A ARG 70 n 70 ARG 70 A ARG 71 n 71 ARG 71 A VAL 72 n 72 VAL 72 A VAL 73 n 73 VAL 73 A THR 74 n 74 THR 74 A GLY 75 n 75 GLY 75 A GLY 76 n 76 GLY 76 A TYR 77 n 77 TYR 77 A GLY 78 n 78 GLY 78 A GLU 79 n 79 GLU 79 A GLN 80 n 80 GLN 80 A TYR 81 n 81 TYR 81 A TRP 82 n 82 TRP 82 A SER 83 n 83 SER 83 A PRO 84 n 84 PRO 84 A ASP 85 n 85 ASP 85 A HIS 86 n 86 HIS 86 A TYR 87 n 87 TYR 87 A ALA 88 n 88 ALA 88 A THR 89 n 89 THR 89 A PHE 90 n 90 PHE 90 A GLN 91 n 91 GLN 91 A GLU 92 n 92 GLU 92 A ILE 93 n 93 ILE 93 A ASP 94 n 94 ASP 94 A PRO 95 n 95 PRO 95 A ARG 96 n 96 ARG 96 A CYS 97 n 97 CYS 97 A ALA 1 n 1 ALA 1 B ASP 2 n 2 ASP 2 B PRO 3 n 3 PRO 3 B ALA 4 n 4 ALA 4 B LEU 5 n 5 LEU 5 B ALA 6 n 6 ALA 6 B ASP 7 n 7 ASP 7 B VAL 8 n 8 VAL 8 B CYS 9 n 9 CYS 9 B ARG 10 n 10 ARG 10 B THR 11 n 11 THR 11 B LYS 12 n 12 LYS 12 B LEU 13 n 13 LEU 13 B PRO 14 n 14 PRO 14 B SER 15 n 15 SER 15 B GLN 16 n 16 GLN 16 B ALA 17 n 17 ALA 17 B GLN 18 n 18 GLN 18 B ASP 19 n 19 ASP 19 B THR 20 n 20 THR 20 B LEU 21 n 21 LEU 21 B ALA 22 n 22 ALA 22 B LEU 23 n 23 LEU 23 B ILE 24 n 24 ILE 24 B ALA 25 n 25 ALA 25 B LYS 26 n 26 LYS 26 B ASN 27 n 27 ASN 27 B GLY 28 n 28 GLY 28 B PRO 29 n 29 PRO 29 B TYR 30 n 30 TYR 30 B PRO 31 n 31 PRO 31 B TYR 32 n 32 TYR 32 B ASN 33 n 33 ASN 33 B ARG 34 n 34 ARG 34 B ASP 35 n 35 ASP 35 B GLY 36 n 36 GLY 36 B VAL 37 n 37 VAL 37 B VAL 38 n 38 VAL 38 B PHE 39 n 39 PHE 39 B GLU 40 n 40 GLU 40 B ASN 41 n 41 ASN 41 B ARG 42 n 42 ARG 42 B GLU 43 n 43 GLU 43 B SER 44 n 44 SER 44 B ARG 45 n 45 ARG 45 B LEU 46 n 46 LEU 46 B PRO 47 n 47 PRO 47 B LYS 48 n 48 LYS 48 B LYS 49 n 49 LYS 49 B GLY 50 n 50 GLY 50 B ASN 51 n 51 ASN 51 B GLY 52 n 52 GLY 52 B TYR 53 n 53 TYR 53 B TYR 54 n 54 TYR 54 B HIS 55 n 55 HIS 55 B GLU 56 n 56 GLU 56 B PHE 57 n 57 PHE 57 B THR 58 n 58 THR 58 B VAL 59 n 59 VAL 59 B VAL 60 n 60 VAL 60 B THR 61 n 61 THR 61 B PRO 62 n 62 PRO 62 B n 63 63 B n 64 64 B n 65 65 B ASP 66 n 66 ASP 66 B ARG 67 n 67 ARG 67 B GLY 68 n 68 GLY 68 B THR 69 n 69 THR 69 B ARG 70 n 70 ARG 70 B ARG 71 n 71 ARG 71 B VAL 72 n 72 VAL 72 B VAL 73 n 73 VAL 73 B THR 74 n 74 THR 74 B GLY 75 n 75 GLY 75 B GLY 76 n 76 GLY 76 B TYR 77 n 77 TYR 77 B GLY 78 n 78 GLY 78 B GLU 79 n 79 GLU 79 B GLN 80 n 80 GLN 80 B TYR 81 n 81 TYR 81 B TRP 82 n 82 TRP 82 B SER 83 n 83 SER 83 B PRO 84 n 84 PRO 84 B ASP 85 n 85 ASP 85 B HIS 86 n 86 HIS 86 B TYR 87 n 87 TYR 87 B ALA 88 n 88 ALA 88 B THR 89 n 89 THR 89 B PHE 90 n 90 PHE 90 B GLN 91 n 91 GLN 91 B GLU 92 n 92 GLU 92 B ILE 93 n 93 ILE 93 B ASP 94 n 94 ASP 94 B PRO 95 n 95 PRO 95 B ARG 96 n 96 ARG 96 B CYS 97 n 97 CYS 97 B n 1 1 C ASP 2 n 2 ASP 2 C PRO 3 n 3 PRO 3 C ALA 4 n 4 ALA 4 C LEU 5 n 5 LEU 5 C ALA 6 n 6 ALA 6 C ASP 7 n 7 ASP 7 C VAL 8 n 8 VAL 8 C CYS 9 n 9 CYS 9 C ARG 10 n 10 ARG 10 C THR 11 n 11 THR 11 C LYS 12 n 12 LYS 12 C LEU 13 n 13 LEU 13 C PRO 14 n 14 PRO 14 C SER 15 n 15 SER 15 C GLN 16 n 16 GLN 16 C ALA 17 n 17 ALA 17 C GLN 18 n 18 GLN 18 C ASP 19 n 19 ASP 19 C THR 20 n 20 THR 20 C LEU 21 n 21 LEU 21 C ALA 22 n 22 ALA 22 C LEU 23 n 23 LEU 23 C ILE 24 n 24 ILE 24 C ALA 25 n 25 ALA 25 C LYS 26 n 26 LYS 26 C ASN 27 n 27 ASN 27 C GLY 28 n 28 GLY 28 C PRO 29 n 29 PRO 29 C TYR 30 n 30 TYR 30 C PRO 31 n 31 PRO 31 C TYR 32 n 32 TYR 32 C ASN 33 n 33 ASN 33 C ARG 34 n 34 ARG 34 C ASP 35 n 35 ASP 35 C GLY 36 n 36 GLY 36 C VAL 37 n 37 VAL 37 C VAL 38 n 38 VAL 38 C PHE 39 n 39 PHE 39 C GLU 40 n 40 GLU 40 C ASN 41 n 41 ASN 41 C ARG 42 n 42 ARG 42 C GLU 43 n 43 GLU 43 C SER 44 n 44 SER 44 C ARG 45 n 45 ARG 45 C LEU 46 n 46 LEU 46 C PRO 47 n 47 PRO 47 C LYS 48 n 48 LYS 48 C LYS 49 n 49 LYS 49 C GLY 50 n 50 GLY 50 C ASN 51 n 51 ASN 51 C GLY 52 n 52 GLY 52 C TYR 53 n 53 TYR 53 C TYR 54 n 54 TYR 54 C HIS 55 n 55 HIS 55 C GLU 56 n 56 GLU 56 C PHE 57 n 57 PHE 57 C THR 58 n 58 THR 58 C VAL 59 n 59 VAL 59 C VAL 60 n 60 VAL 60 C THR 61 n 61 THR 61 C PRO 62 n 62 PRO 62 C n 63 63 C n 64 64 C n 65 65 C n 66 66 C ARG 67 n 67 ARG 67 C GLY 68 n 68 GLY 68 C THR 69 n 69 THR 69 C ARG 70 n 70 ARG 70 C ARG 71 n 71 ARG 71 C VAL 72 n 72 VAL 72 C VAL 73 n 73 VAL 73 C THR 74 n 74 THR 74 C GLY 75 n 75 GLY 75 C GLY 76 n 76 GLY 76 C TYR 77 n 77 TYR 77 C GLY 78 n 78 GLY 78 C GLU 79 n 79 GLU 79 C GLN 80 n 80 GLN 80 C TYR 81 n 81 TYR 81 C TRP 82 n 82 TRP 82 C SER 83 n 83 SER 83 C PRO 84 n 84 PRO 84 C ASP 85 n 85 ASP 85 C HIS 86 n 86 HIS 86 C TYR 87 n 87 TYR 87 C ALA 88 n 88 ALA 88 C THR 89 n 89 THR 89 C PHE 90 n 90 PHE 90 C GLN 91 n 91 GLN 91 C GLU 92 n 92 GLU 92 C ILE 93 n 93 ILE 93 C ASP 94 n 94 ASP 94 C PRO 95 n 95 PRO 95 C ARG 96 n 96 ARG 96 C CYS 97 n 97 CYS 97 C author_defined_assembly 1 monomeric author_defined_assembly 1 monomeric author_defined_assembly 1 monomeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 A N VAL 8 A N VAL 8 A O ASP 94 A O ASP 94 A O GLN 91 A O GLN 91 A N TRP 82 A N TRP 82 A O SER 83 A O SER 83 A N ARG 71 A N ARG 71 A O VAL 72 A O VAL 72 A N PHE 57 A N PHE 57 A O TYR 54 A O TYR 54 A N PHE 39 A N PHE 39 B N ALA 6 B N ALA 6 B O GLU 92 B O GLU 92 B O GLN 91 B O GLN 91 B N TRP 82 B N TRP 82 B O SER 83 B O SER 83 B N ARG 71 B N ARG 71 B O THR 74 B O THR 74 B N HIS 55 B N HIS 55 C N ALA 6 C N ALA 6 C O GLU 92 C O GLU 92 C O GLN 91 C O GLN 91 C N TRP 82 C N TRP 82 C O TYR 81 C O TYR 81 C N VAL 73 C N VAL 73 C O VAL 72 C O VAL 72 C N PHE 57 C N PHE 57 C O GLU 56 C O GLU 56 C N VAL 37 C N VAL 37 1 A ASN 27 A ASN 27 1 A HOH 317 E HOH 1 B C PRO 62 B C PRO 62 1 Y 1 B O PRO 62 B O PRO 62 1 Y 1 B N ASP 66 B N ASP 66 1 Y 1 B CA ASP 66 B CA ASP 66 1 Y 1 B CB ASP 66 B CB ASP 66 1 Y 1 B CG ASP 66 B CG ASP 66 1 Y 1 B OD1 ASP 66 B OD1 ASP 66 1 Y 1 B OD2 ASP 66 B OD2 ASP 66 1 Y 1 C N ASP 2 C N ASP 2 1 Y 1 C CB ASP 2 C CB ASP 2 1 Y 1 C CG ASP 2 C CG ASP 2 1 Y 1 C OD1 ASP 2 C OD1 ASP 2 1 Y 1 C OD2 ASP 2 C OD2 ASP 2 1 Y 1 C NE ARG 34 C NE ARG 34 1 Y 1 C CZ ARG 34 C CZ ARG 34 1 Y 1 C NH1 ARG 34 C NH1 ARG 34 1 Y 1 C NH2 ARG 34 C NH2 ARG 34 1 Y 1 C O PRO 62 C O PRO 62 1 Y 1 C N ARG 67 C N ARG 67 1 Y 1 C CB ARG 67 C CB ARG 67 1 Y 1 C CG ARG 67 C CG ARG 67 1 Y 1 C CD ARG 67 C CD ARG 67 1 Y 1 C NE ARG 67 C NE ARG 67 1 Y 1 C CZ ARG 67 C CZ ARG 67 1 Y 1 C NH1 ARG 67 C NH1 ARG 67 1 Y 1 C NH2 ARG 67 C NH2 ARG 67 1 Y 1 A ALA 1 A ALA 1 1 Y 1 A ASP 2 A ASP 2 1 Y 1 A PRO 3 A PRO 3 1 Y 1 B GLY 63 B GLY 63 1 Y 1 B SER 64 B SER 64 1 Y 1 B ASN 65 B ASN 65 1 Y 1 C ALA 1 C ALA 1 1 Y 1 C GLY 63 C GLY 63 1 Y 1 C SER 64 C SER 64 1 Y 1 C ASN 65 C ASN 65 1 Y 1 C ASP 66 C ASP 66 1 Y 1 A A OE2 O GLU HOH 40 407 2.01 1 A A O O HOH HOH 370 406 2.07 1 A A O O PRO HOH 95 403 2.13 1 B B CA O PRO HOH 62 176 2.16 1 A A OE1 O GLN HOH 80 404 2.19 1 A A ARG CYS 96 97 -140.40 1 5.54 0.90 118.30 123.84 A A A CB CG OD1 ASP ASP ASP 19 19 19 N 1 7.23 0.90 118.30 125.53 A A A CB CG OD2 ASP ASP ASP 66 66 66 N 1 3.12 0.50 120.30 123.42 A A A NE CZ NH1 ARG ARG ARG 71 71 71 N 1 A A CB SG CYS CYS 97 97 -0.107 0.016 1.812 1.705 N 1 C C CD OE1 GLU GLU 40 40 0.072 0.011 1.252 1.324 A A N 1 A B O O HOH HOH 385 180 2.14 1_555 2_665 1 A TYR 87 80.10 11.24 1 B ASP 85 -141.66 39.67 26.486 -0.89 0.00 0.13 2.17 0.00 -1.23 0.962 0.944 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS 0.21825 0.17246 0.175 0.17484 1.80 15.00 1796 34158 5.0 99.2 2.443 0.077 RANDOM 1 Isotropic THROUGHOUT 0 0 MOLECULAR REPLACEMENT 0.149 0.109 0.80 0.80 1.40 PDB entry 1RGG MAXIMUM LIKELIHOOD BABINET MODEL WITH MASK 1.80 15.00 277 2497 5 0 2215 0.021 0.021 2313 0.002 0.020 1987 1.832 1.946 3143 2.112 3.000 4630 7.282 5.000 274 0.123 0.200 317 0.009 0.020 2617 0.005 0.020 504 0.240 0.200 454 0.254 0.200 2328 0.098 0.200 1422 0.234 0.200 163 0.303 0.200 15 0.307 0.200 60 0.231 0.200 22 2.048 1.500 1386 3.229 2.000 2243 4.179 3.000 927 6.332 4.500 900 2.131 2.000 2313 16.616 5.000 277 5.693 5.000 2251 0.28 0.203 1.846 119 2426 2426 20 23.2 1.8 15 1PY3 35955 35955 0 0 0.052 1 20.5 3.45 99.2 0.378 1.80 1.83 2.96 1759 1 2.8 98.4 refinement REFMAC 5.1.24 data reduction DENZO data scaling SCALEPACK phasing MOLREP Crystal structure of Ribonuclease Sa2 1 N N 1 N N 1 N N 2 N N 3 N N 3 N N 3 N N A THR 11 A THR 11 HELX_P A LEU 13 A LEU 13 5 1 3 A PRO 14 A PRO 14 HELX_P A ASN 27 A ASN 27 1 2 14 B THR 11 B THR 11 HELX_P B LEU 13 B LEU 13 5 3 3 B PRO 14 B PRO 14 HELX_P B ASN 27 B ASN 27 1 4 14 C THR 11 C THR 11 HELX_P C LEU 13 C LEU 13 5 5 3 C PRO 14 C PRO 14 HELX_P C LYS 26 C LYS 26 1 6 13 disulf 2.017 A CYS 9 A SG CYS 9 1_555 A CYS 97 A SG CYS 97 1_555 disulf 2.004 B CYS 9 B SG CYS 9 1_555 B CYS 97 B SG CYS 97 1_555 disulf 1.995 C CYS 9 C SG CYS 9 1_555 C CYS 97 C SG CYS 97 1_555 HYDROLASE ALPHA-BETA STRUCTURE, HYDROLASE A GLY 28 A GLY 28 1 A PRO 29 A PRO 29 -3.87 B GLY 28 B GLY 28 1 B PRO 29 B PRO 29 -8.42 C GLY 28 C GLY 28 1 C PRO 29 C PRO 29 2.75 Q53752_STRAU UNP 1 67 Q53752 ADPALADVCRTKLPSQAQDTLALIAKNGPYPYNRDGVVFENRESRLPKKGNGYYHEFTVVTPGSNDRGTRRVVTGGYGEQ YWSPDHYATFQEIDPRC 67 163 1PY3 1 97 Q53752 A 1 1 97 67 163 1PY3 1 97 Q53752 B 1 1 97 67 163 1PY3 1 97 Q53752 C 1 1 97 6 5 6 parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel A ASP 7 A ASP 7 A CYS 9 A CYS 9 A GLN 91 A GLN 91 A ASP 94 A ASP 94 A GLN 80 A GLN 80 A SER 83 A SER 83 A ARG 71 A ARG 71 A THR 74 A THR 74 A TYR 54 A TYR 54 A THR 58 A THR 58 A VAL 38 A VAL 38 A PHE 39 A PHE 39 B ALA 6 B ALA 6 B CYS 9 B CYS 9 B GLN 91 B GLN 91 B ASP 94 B ASP 94 B GLN 80 B GLN 80 B SER 83 B SER 83 B ARG 71 B ARG 71 B THR 74 B THR 74 B HIS 55 B HIS 55 B THR 58 B THR 58 C ALA 6 C ALA 6 C CYS 9 C CYS 9 C GLN 91 C GLN 91 C ASP 94 C ASP 94 C GLN 80 C GLN 80 C SER 83 C SER 83 C ARG 71 C ARG 71 C THR 74 C THR 74 C TYR 54 C TYR 54 C THR 58 C THR 58 C VAL 37 C VAL 37 C PHE 39 C PHE 39 BINDING SITE FOR RESIDUE SO4 A 300 A SO4 300 Software 8 A ARG 34 A ARG 34 8 1_555 A GLU 56 A GLU 56 8 1_555 A ARG 67 A ARG 67 8 1_555 A ARG 71 A ARG 71 8 1_555 A HIS 86 A HIS 86 8 1_555 A TYR 87 A TYR 87 8 1_555 C ARG 45 C ARG 45 8 1_555 C HOH 180 G HOH 8 1_555 5 C 1 2 1