0.017109 0.000000 0.002654 0.000000 0.011519 0.000000 0.000000 0.000000 0.021493 0.00000 0.00000 0.00000 Korndoerfer, I.P. Skerra, A. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 98.82 90.00 58.450 86.814 47.084 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 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 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 N N 260 S C N 261 N C N 262 N O N 263 N C N 264 N C N 265 N C N 266 N O 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 H N 275 N H N 276 N N N 277 S C N 278 N C N 279 N O N 280 N C N 281 N O 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 N N 291 S C N 292 N C N 293 N O N 294 R C N 295 N O N 296 N C N 297 N O 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 H N 307 N N N 308 S C N 309 N C N 310 N O N 311 N C Y 312 N C Y 313 N C Y 314 N C Y 315 N N Y 316 N C Y 317 N C Y 318 N C Y 319 N C Y 320 N C N 321 N O 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 H N 334 N N N 335 S C N 336 N C N 337 N O N 338 N C Y 339 N C Y 340 N C Y 341 N C Y 342 N C Y 343 N C Y 344 N C N 345 N O N 346 N O 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 H N 358 N N N 359 S C N 360 N C N 361 N O N 362 N C N 363 N C N 364 N C N 365 N O 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 376 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 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 sing N 248 N sing N 249 N sing N 250 N sing N 251 N sing N 252 N sing N 253 N doub 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 sing N 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N doub 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 sing N 281 N sing N 282 N sing N 283 N doub 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 sing N 298 N sing N 299 N doub N 300 N sing N 301 N sing N 302 N sing N 303 N sing Y 304 N doub Y 305 N sing Y 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 sing Y 313 N doub N 314 N sing Y 315 N doub N 316 N sing Y 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 sing N 326 N sing N 327 N doub N 328 N sing N 329 N sing N 330 N sing N 331 N sing Y 332 N doub Y 333 N sing Y 334 N sing N 335 N sing Y 336 N doub N 337 N sing Y 338 N doub N 339 N sing Y 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 sing N 350 N sing N 351 N doub 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 sing N 362 N sing US Protein Sci. PRCIEI 0795 0961-8368 11 883 893 10.1110/ps.4150102 11910031 Improved affinity of engineered streptavidin for the Strep-tag II peptide is due to a fixed open conformation of the lid-like loop at the binding site. 2002 10.2210/pdb1kl4/pdb pdb_00001kl4 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 298.0 1 OSMIC MIRRORS IMAGE PLATE 2001-07-17 MARRESEARCH SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RU300 13353.535 streptavidin E44I,S45G,V47R 4 man polymer 18.015 water 195 nat water no no MEAGITGTWYNQLGSTFIVTAGADGALTGTYIGARGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS MEAGITGTWYNQLGSTFIVTAGADGALTGTYIGARGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS A,B,C,D 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 Streptomyces Escherichia sample 1895 Streptomyces avidinii 562 Escherichia coli plasmid pSA1 1 2.2 44 VAPOR DIFFUSION, HANGING DROP 6.9 50 mM Na3PO4, 50 mM Na3-citrate, 30% PEG 600, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K 293 database_2 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 Data collection Refinement description 1 0 2002-04-03 1 1 2008-04-27 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_ref_seq_dif.details an engineered streptavidin with improved affinity for the strep-tag II peptide : apo-SAm1 an engineered streptavidin with improved affinity for the strep-tag II peptide : SAm1-StrepII an engineered streptavidin with improved affinity for the strep-tag II peptide : : SAm2-StrepII Complex Between wild-type Streptavidin and The Strep-Tag II Peptide RCSB Y RCSB 2001-12-11 REL REL HOH water 1SWU PDB experimental model HOH 6 2 HOH HOH 140 A HOH 11 2 HOH HOH 141 A HOH 19 2 HOH HOH 142 A HOH 26 2 HOH HOH 143 A HOH 29 2 HOH HOH 144 A HOH 30 2 HOH HOH 145 A HOH 34 2 HOH HOH 146 A HOH 36 2 HOH HOH 147 A HOH 38 2 HOH HOH 148 A HOH 41 2 HOH HOH 149 A HOH 45 2 HOH HOH 150 A HOH 47 2 HOH HOH 151 A HOH 49 2 HOH HOH 152 A HOH 51 2 HOH HOH 153 A HOH 52 2 HOH HOH 154 A HOH 53 2 HOH HOH 155 A HOH 54 2 HOH HOH 156 A HOH 63 2 HOH HOH 157 A HOH 64 2 HOH HOH 158 A HOH 72 2 HOH HOH 159 A HOH 79 2 HOH HOH 160 A HOH 80 2 HOH HOH 161 A HOH 83 2 HOH HOH 162 A HOH 89 2 HOH HOH 163 A HOH 93 2 HOH HOH 164 A HOH 96 2 HOH HOH 165 A HOH 100 2 HOH HOH 166 A HOH 105 2 HOH HOH 167 A HOH 107 2 HOH HOH 168 A HOH 117 2 HOH HOH 169 A HOH 123 2 HOH HOH 170 A HOH 124 2 HOH HOH 171 A HOH 128 2 HOH HOH 172 A HOH 129 2 HOH HOH 173 A HOH 131 2 HOH HOH 174 A HOH 140 2 HOH HOH 175 A HOH 143 2 HOH HOH 176 A HOH 145 2 HOH HOH 177 A HOH 148 2 HOH HOH 178 A HOH 151 2 HOH HOH 179 A HOH 152 2 HOH HOH 180 A HOH 154 2 HOH HOH 181 A HOH 156 2 HOH HOH 182 A HOH 158 2 HOH HOH 183 A HOH 164 2 HOH HOH 184 A HOH 167 2 HOH HOH 185 A HOH 173 2 HOH HOH 186 A HOH 174 2 HOH HOH 187 A HOH 177 2 HOH HOH 188 A HOH 182 2 HOH HOH 189 A HOH 184 2 HOH HOH 190 A HOH 1 2 HOH HOH 140 B HOH 8 2 HOH HOH 141 B HOH 12 2 HOH HOH 142 B HOH 14 2 HOH HOH 143 B HOH 16 2 HOH HOH 144 B HOH 20 2 HOH HOH 145 B HOH 21 2 HOH HOH 146 B HOH 32 2 HOH HOH 147 B HOH 37 2 HOH HOH 148 B HOH 43 2 HOH HOH 149 B HOH 50 2 HOH HOH 150 B HOH 57 2 HOH HOH 151 B HOH 58 2 HOH HOH 152 B HOH 59 2 HOH HOH 153 B HOH 62 2 HOH HOH 154 B HOH 66 2 HOH HOH 155 B HOH 67 2 HOH HOH 156 B HOH 75 2 HOH HOH 157 B HOH 77 2 HOH HOH 158 B HOH 78 2 HOH HOH 159 B HOH 87 2 HOH HOH 160 B HOH 103 2 HOH HOH 161 B HOH 104 2 HOH HOH 162 B HOH 109 2 HOH HOH 163 B HOH 113 2 HOH HOH 164 B HOH 114 2 HOH HOH 165 B HOH 118 2 HOH HOH 166 B HOH 121 2 HOH HOH 167 B HOH 122 2 HOH HOH 168 B HOH 126 2 HOH HOH 169 B HOH 132 2 HOH HOH 170 B HOH 133 2 HOH HOH 171 B HOH 134 2 HOH HOH 172 B HOH 135 2 HOH HOH 173 B HOH 144 2 HOH HOH 174 B HOH 147 2 HOH HOH 175 B HOH 149 2 HOH HOH 176 B HOH 155 2 HOH HOH 177 B HOH 160 2 HOH HOH 178 B HOH 162 2 HOH HOH 179 B HOH 165 2 HOH HOH 180 B HOH 166 2 HOH HOH 181 B HOH 168 2 HOH HOH 182 B HOH 170 2 HOH HOH 183 B HOH 171 2 HOH HOH 184 B HOH 175 2 HOH HOH 185 B HOH 178 2 HOH HOH 186 B HOH 180 2 HOH HOH 187 B HOH 183 2 HOH HOH 188 B HOH 189 2 HOH HOH 189 B HOH 194 2 HOH HOH 190 B HOH 2 2 HOH HOH 140 C HOH 3 2 HOH HOH 141 C HOH 4 2 HOH HOH 142 C HOH 13 2 HOH HOH 143 C HOH 15 2 HOH HOH 144 C HOH 17 2 HOH HOH 145 C HOH 22 2 HOH HOH 146 C HOH 23 2 HOH HOH 147 C HOH 24 2 HOH HOH 148 C HOH 27 2 HOH HOH 149 C HOH 28 2 HOH HOH 150 C HOH 33 2 HOH HOH 151 C HOH 40 2 HOH HOH 152 C HOH 44 2 HOH HOH 153 C HOH 46 2 HOH HOH 154 C HOH 55 2 HOH HOH 155 C HOH 56 2 HOH HOH 156 C HOH 61 2 HOH HOH 157 C HOH 65 2 HOH HOH 158 C HOH 68 2 HOH HOH 159 C HOH 73 2 HOH HOH 160 C HOH 76 2 HOH HOH 161 C HOH 81 2 HOH HOH 162 C HOH 82 2 HOH HOH 163 C HOH 84 2 HOH HOH 164 C HOH 85 2 HOH HOH 165 C HOH 88 2 HOH HOH 166 C HOH 92 2 HOH HOH 167 C HOH 94 2 HOH HOH 168 C HOH 97 2 HOH HOH 169 C HOH 99 2 HOH HOH 170 C HOH 101 2 HOH HOH 171 C HOH 102 2 HOH HOH 172 C HOH 106 2 HOH HOH 173 C HOH 108 2 HOH HOH 174 C HOH 111 2 HOH HOH 175 C HOH 115 2 HOH HOH 176 C HOH 125 2 HOH HOH 177 C HOH 127 2 HOH HOH 178 C HOH 130 2 HOH HOH 179 C HOH 137 2 HOH HOH 180 C HOH 138 2 HOH HOH 181 C HOH 139 2 HOH HOH 182 C HOH 142 2 HOH HOH 183 C HOH 146 2 HOH HOH 184 C HOH 150 2 HOH HOH 185 C HOH 153 2 HOH HOH 186 C HOH 159 2 HOH HOH 187 C HOH 169 2 HOH HOH 188 C HOH 176 2 HOH HOH 189 C HOH 179 2 HOH HOH 190 C HOH 181 2 HOH HOH 191 C HOH 185 2 HOH HOH 192 C HOH 186 2 HOH HOH 193 C HOH 187 2 HOH HOH 194 C HOH 190 2 HOH HOH 195 C HOH 191 2 HOH HOH 196 C HOH 192 2 HOH HOH 197 C HOH 195 2 HOH HOH 198 C HOH 5 2 HOH HOH 140 D HOH 7 2 HOH HOH 141 D HOH 9 2 HOH HOH 142 D HOH 10 2 HOH HOH 143 D HOH 18 2 HOH HOH 144 D HOH 25 2 HOH HOH 145 D HOH 31 2 HOH HOH 146 D HOH 35 2 HOH HOH 147 D HOH 39 2 HOH HOH 148 D HOH 42 2 HOH HOH 149 D HOH 48 2 HOH HOH 150 D HOH 60 2 HOH HOH 151 D HOH 69 2 HOH HOH 152 D HOH 70 2 HOH HOH 153 D HOH 71 2 HOH HOH 154 D HOH 74 2 HOH HOH 155 D HOH 86 2 HOH HOH 156 D HOH 90 2 HOH HOH 157 D HOH 91 2 HOH HOH 158 D HOH 95 2 HOH HOH 159 D HOH 98 2 HOH HOH 160 D HOH 110 2 HOH HOH 161 D HOH 112 2 HOH HOH 162 D HOH 116 2 HOH HOH 163 D HOH 119 2 HOH HOH 164 D HOH 120 2 HOH HOH 165 D HOH 136 2 HOH HOH 166 D HOH 141 2 HOH HOH 167 D HOH 157 2 HOH HOH 168 D HOH 161 2 HOH HOH 169 D HOH 163 2 HOH HOH 170 D HOH 172 2 HOH HOH 171 D HOH 188 2 HOH HOH 172 D HOH 193 2 HOH HOH 173 D n 1 13 A n 2 14 A n 3 15 A GLY 16 n 4 GLY 16 A ILE 17 n 5 ILE 17 A THR 18 n 6 THR 18 A GLY 19 n 7 GLY 19 A THR 20 n 8 THR 20 A TRP 21 n 9 TRP 21 A TYR 22 n 10 TYR 22 A ASN 23 n 11 ASN 23 A GLN 24 n 12 GLN 24 A LEU 25 n 13 LEU 25 A GLY 26 n 14 GLY 26 A SER 27 n 15 SER 27 A THR 28 n 16 THR 28 A PHE 29 n 17 PHE 29 A ILE 30 n 18 ILE 30 A VAL 31 n 19 VAL 31 A THR 32 n 20 THR 32 A ALA 33 n 21 ALA 33 A GLY 34 n 22 GLY 34 A ALA 35 n 23 ALA 35 A ASP 36 n 24 ASP 36 A GLY 37 n 25 GLY 37 A ALA 38 n 26 ALA 38 A LEU 39 n 27 LEU 39 A THR 40 n 28 THR 40 A GLY 41 n 29 GLY 41 A THR 42 n 30 THR 42 A TYR 43 n 31 TYR 43 A ILE 44 n 32 ILE 44 A GLY 45 n 33 GLY 45 A ALA 46 n 34 ALA 46 A ARG 47 n 35 ARG 47 A GLY 48 n 36 GLY 48 A ASN 49 n 37 ASN 49 A ALA 50 n 38 ALA 50 A GLU 51 n 39 GLU 51 A SER 52 n 40 SER 52 A ARG 53 n 41 ARG 53 A TYR 54 n 42 TYR 54 A VAL 55 n 43 VAL 55 A LEU 56 n 44 LEU 56 A THR 57 n 45 THR 57 A GLY 58 n 46 GLY 58 A ARG 59 n 47 ARG 59 A TYR 60 n 48 TYR 60 A ASP 61 n 49 ASP 61 A SER 62 n 50 SER 62 A ALA 63 n 51 ALA 63 A PRO 64 n 52 PRO 64 A ALA 65 n 53 ALA 65 A THR 66 n 54 THR 66 A ASP 67 n 55 ASP 67 A GLY 68 n 56 GLY 68 A SER 69 n 57 SER 69 A GLY 70 n 58 GLY 70 A THR 71 n 59 THR 71 A ALA 72 n 60 ALA 72 A LEU 73 n 61 LEU 73 A GLY 74 n 62 GLY 74 A TRP 75 n 63 TRP 75 A THR 76 n 64 THR 76 A VAL 77 n 65 VAL 77 A ALA 78 n 66 ALA 78 A TRP 79 n 67 TRP 79 A LYS 80 n 68 LYS 80 A ASN 81 n 69 ASN 81 A ASN 82 n 70 ASN 82 A TYR 83 n 71 TYR 83 A ARG 84 n 72 ARG 84 A ASN 85 n 73 ASN 85 A ALA 86 n 74 ALA 86 A HIS 87 n 75 HIS 87 A SER 88 n 76 SER 88 A ALA 89 n 77 ALA 89 A THR 90 n 78 THR 90 A THR 91 n 79 THR 91 A TRP 92 n 80 TRP 92 A SER 93 n 81 SER 93 A GLY 94 n 82 GLY 94 A GLN 95 n 83 GLN 95 A TYR 96 n 84 TYR 96 A VAL 97 n 85 VAL 97 A GLY 98 n 86 GLY 98 A GLY 99 n 87 GLY 99 A ALA 100 n 88 ALA 100 A GLU 101 n 89 GLU 101 A ALA 102 n 90 ALA 102 A ARG 103 n 91 ARG 103 A ILE 104 n 92 ILE 104 A ASN 105 n 93 ASN 105 A THR 106 n 94 THR 106 A GLN 107 n 95 GLN 107 A TRP 108 n 96 TRP 108 A LEU 109 n 97 LEU 109 A LEU 110 n 98 LEU 110 A THR 111 n 99 THR 111 A SER 112 n 100 SER 112 A GLY 113 n 101 GLY 113 A THR 114 n 102 THR 114 A THR 115 n 103 THR 115 A GLU 116 n 104 GLU 116 A ALA 117 n 105 ALA 117 A ASN 118 n 106 ASN 118 A ALA 119 n 107 ALA 119 A TRP 120 n 108 TRP 120 A LYS 121 n 109 LYS 121 A SER 122 n 110 SER 122 A THR 123 n 111 THR 123 A LEU 124 n 112 LEU 124 A VAL 125 n 113 VAL 125 A GLY 126 n 114 GLY 126 A HIS 127 n 115 HIS 127 A ASP 128 n 116 ASP 128 A THR 129 n 117 THR 129 A PHE 130 n 118 PHE 130 A THR 131 n 119 THR 131 A LYS 132 n 120 LYS 132 A VAL 133 n 121 VAL 133 A LYS 134 n 122 LYS 134 A PRO 135 n 123 PRO 135 A n 124 136 A n 125 137 A n 126 138 A n 127 139 A n 1 13 B n 2 14 B ALA 15 n 3 ALA 15 B GLY 16 n 4 GLY 16 B ILE 17 n 5 ILE 17 B THR 18 n 6 THR 18 B GLY 19 n 7 GLY 19 B THR 20 n 8 THR 20 B TRP 21 n 9 TRP 21 B TYR 22 n 10 TYR 22 B ASN 23 n 11 ASN 23 B GLN 24 n 12 GLN 24 B LEU 25 n 13 LEU 25 B GLY 26 n 14 GLY 26 B SER 27 n 15 SER 27 B THR 28 n 16 THR 28 B PHE 29 n 17 PHE 29 B ILE 30 n 18 ILE 30 B VAL 31 n 19 VAL 31 B THR 32 n 20 THR 32 B ALA 33 n 21 ALA 33 B GLY 34 n 22 GLY 34 B ALA 35 n 23 ALA 35 B ASP 36 n 24 ASP 36 B GLY 37 n 25 GLY 37 B ALA 38 n 26 ALA 38 B LEU 39 n 27 LEU 39 B THR 40 n 28 THR 40 B GLY 41 n 29 GLY 41 B THR 42 n 30 THR 42 B TYR 43 n 31 TYR 43 B ILE 44 n 32 ILE 44 B GLY 45 n 33 GLY 45 B ALA 46 n 34 ALA 46 B ARG 47 n 35 ARG 47 B GLY 48 n 36 GLY 48 B ASN 49 n 37 ASN 49 B ALA 50 n 38 ALA 50 B GLU 51 n 39 GLU 51 B SER 52 n 40 SER 52 B ARG 53 n 41 ARG 53 B TYR 54 n 42 TYR 54 B VAL 55 n 43 VAL 55 B LEU 56 n 44 LEU 56 B THR 57 n 45 THR 57 B GLY 58 n 46 GLY 58 B ARG 59 n 47 ARG 59 B TYR 60 n 48 TYR 60 B ASP 61 n 49 ASP 61 B SER 62 n 50 SER 62 B ALA 63 n 51 ALA 63 B PRO 64 n 52 PRO 64 B ALA 65 n 53 ALA 65 B THR 66 n 54 THR 66 B ASP 67 n 55 ASP 67 B GLY 68 n 56 GLY 68 B SER 69 n 57 SER 69 B GLY 70 n 58 GLY 70 B THR 71 n 59 THR 71 B ALA 72 n 60 ALA 72 B LEU 73 n 61 LEU 73 B GLY 74 n 62 GLY 74 B TRP 75 n 63 TRP 75 B THR 76 n 64 THR 76 B VAL 77 n 65 VAL 77 B ALA 78 n 66 ALA 78 B TRP 79 n 67 TRP 79 B LYS 80 n 68 LYS 80 B ASN 81 n 69 ASN 81 B ASN 82 n 70 ASN 82 B TYR 83 n 71 TYR 83 B ARG 84 n 72 ARG 84 B ASN 85 n 73 ASN 85 B ALA 86 n 74 ALA 86 B HIS 87 n 75 HIS 87 B SER 88 n 76 SER 88 B ALA 89 n 77 ALA 89 B THR 90 n 78 THR 90 B THR 91 n 79 THR 91 B TRP 92 n 80 TRP 92 B SER 93 n 81 SER 93 B GLY 94 n 82 GLY 94 B GLN 95 n 83 GLN 95 B TYR 96 n 84 TYR 96 B VAL 97 n 85 VAL 97 B GLY 98 n 86 GLY 98 B GLY 99 n 87 GLY 99 B ALA 100 n 88 ALA 100 B GLU 101 n 89 GLU 101 B ALA 102 n 90 ALA 102 B ARG 103 n 91 ARG 103 B ILE 104 n 92 ILE 104 B ASN 105 n 93 ASN 105 B THR 106 n 94 THR 106 B GLN 107 n 95 GLN 107 B TRP 108 n 96 TRP 108 B LEU 109 n 97 LEU 109 B LEU 110 n 98 LEU 110 B THR 111 n 99 THR 111 B SER 112 n 100 SER 112 B GLY 113 n 101 GLY 113 B THR 114 n 102 THR 114 B THR 115 n 103 THR 115 B GLU 116 n 104 GLU 116 B ALA 117 n 105 ALA 117 B ASN 118 n 106 ASN 118 B ALA 119 n 107 ALA 119 B TRP 120 n 108 TRP 120 B LYS 121 n 109 LYS 121 B SER 122 n 110 SER 122 B THR 123 n 111 THR 123 B LEU 124 n 112 LEU 124 B VAL 125 n 113 VAL 125 B GLY 126 n 114 GLY 126 B HIS 127 n 115 HIS 127 B ASP 128 n 116 ASP 128 B THR 129 n 117 THR 129 B PHE 130 n 118 PHE 130 B THR 131 n 119 THR 131 B LYS 132 n 120 LYS 132 B VAL 133 n 121 VAL 133 B LYS 134 n 122 LYS 134 B n 123 135 B n 124 136 B n 125 137 B n 126 138 B n 127 139 B n 1 13 C n 2 14 C n 3 15 C GLY 16 n 4 GLY 16 C ILE 17 n 5 ILE 17 C THR 18 n 6 THR 18 C GLY 19 n 7 GLY 19 C THR 20 n 8 THR 20 C TRP 21 n 9 TRP 21 C TYR 22 n 10 TYR 22 C ASN 23 n 11 ASN 23 C GLN 24 n 12 GLN 24 C LEU 25 n 13 LEU 25 C GLY 26 n 14 GLY 26 C SER 27 n 15 SER 27 C THR 28 n 16 THR 28 C PHE 29 n 17 PHE 29 C ILE 30 n 18 ILE 30 C VAL 31 n 19 VAL 31 C THR 32 n 20 THR 32 C ALA 33 n 21 ALA 33 C GLY 34 n 22 GLY 34 C ALA 35 n 23 ALA 35 C ASP 36 n 24 ASP 36 C GLY 37 n 25 GLY 37 C ALA 38 n 26 ALA 38 C LEU 39 n 27 LEU 39 C THR 40 n 28 THR 40 C GLY 41 n 29 GLY 41 C THR 42 n 30 THR 42 C TYR 43 n 31 TYR 43 C ILE 44 n 32 ILE 44 C GLY 45 n 33 GLY 45 C ALA 46 n 34 ALA 46 C ARG 47 n 35 ARG 47 C GLY 48 n 36 GLY 48 C ASN 49 n 37 ASN 49 C ALA 50 n 38 ALA 50 C GLU 51 n 39 GLU 51 C SER 52 n 40 SER 52 C ARG 53 n 41 ARG 53 C TYR 54 n 42 TYR 54 C VAL 55 n 43 VAL 55 C LEU 56 n 44 LEU 56 C THR 57 n 45 THR 57 C GLY 58 n 46 GLY 58 C ARG 59 n 47 ARG 59 C TYR 60 n 48 TYR 60 C ASP 61 n 49 ASP 61 C SER 62 n 50 SER 62 C ALA 63 n 51 ALA 63 C PRO 64 n 52 PRO 64 C ALA 65 n 53 ALA 65 C THR 66 n 54 THR 66 C ASP 67 n 55 ASP 67 C GLY 68 n 56 GLY 68 C SER 69 n 57 SER 69 C GLY 70 n 58 GLY 70 C THR 71 n 59 THR 71 C ALA 72 n 60 ALA 72 C LEU 73 n 61 LEU 73 C GLY 74 n 62 GLY 74 C TRP 75 n 63 TRP 75 C THR 76 n 64 THR 76 C VAL 77 n 65 VAL 77 C ALA 78 n 66 ALA 78 C TRP 79 n 67 TRP 79 C LYS 80 n 68 LYS 80 C ASN 81 n 69 ASN 81 C ASN 82 n 70 ASN 82 C TYR 83 n 71 TYR 83 C ARG 84 n 72 ARG 84 C ASN 85 n 73 ASN 85 C ALA 86 n 74 ALA 86 C HIS 87 n 75 HIS 87 C SER 88 n 76 SER 88 C ALA 89 n 77 ALA 89 C THR 90 n 78 THR 90 C THR 91 n 79 THR 91 C TRP 92 n 80 TRP 92 C SER 93 n 81 SER 93 C GLY 94 n 82 GLY 94 C GLN 95 n 83 GLN 95 C TYR 96 n 84 TYR 96 C VAL 97 n 85 VAL 97 C GLY 98 n 86 GLY 98 C GLY 99 n 87 GLY 99 C ALA 100 n 88 ALA 100 C GLU 101 n 89 GLU 101 C ALA 102 n 90 ALA 102 C ARG 103 n 91 ARG 103 C ILE 104 n 92 ILE 104 C ASN 105 n 93 ASN 105 C THR 106 n 94 THR 106 C GLN 107 n 95 GLN 107 C TRP 108 n 96 TRP 108 C LEU 109 n 97 LEU 109 C LEU 110 n 98 LEU 110 C THR 111 n 99 THR 111 C SER 112 n 100 SER 112 C GLY 113 n 101 GLY 113 C THR 114 n 102 THR 114 C THR 115 n 103 THR 115 C GLU 116 n 104 GLU 116 C ALA 117 n 105 ALA 117 C ASN 118 n 106 ASN 118 C ALA 119 n 107 ALA 119 C TRP 120 n 108 TRP 120 C LYS 121 n 109 LYS 121 C SER 122 n 110 SER 122 C THR 123 n 111 THR 123 C LEU 124 n 112 LEU 124 C VAL 125 n 113 VAL 125 C GLY 126 n 114 GLY 126 C HIS 127 n 115 HIS 127 C ASP 128 n 116 ASP 128 C THR 129 n 117 THR 129 C PHE 130 n 118 PHE 130 C THR 131 n 119 THR 131 C LYS 132 n 120 LYS 132 C VAL 133 n 121 VAL 133 C LYS 134 n 122 LYS 134 C n 123 135 C n 124 136 C n 125 137 C n 126 138 C n 127 139 C n 1 13 D n 2 14 D n 3 15 D GLY 16 n 4 GLY 16 D ILE 17 n 5 ILE 17 D THR 18 n 6 THR 18 D GLY 19 n 7 GLY 19 D THR 20 n 8 THR 20 D TRP 21 n 9 TRP 21 D TYR 22 n 10 TYR 22 D ASN 23 n 11 ASN 23 D GLN 24 n 12 GLN 24 D LEU 25 n 13 LEU 25 D GLY 26 n 14 GLY 26 D SER 27 n 15 SER 27 D THR 28 n 16 THR 28 D PHE 29 n 17 PHE 29 D ILE 30 n 18 ILE 30 D VAL 31 n 19 VAL 31 D THR 32 n 20 THR 32 D ALA 33 n 21 ALA 33 D GLY 34 n 22 GLY 34 D ALA 35 n 23 ALA 35 D ASP 36 n 24 ASP 36 D GLY 37 n 25 GLY 37 D ALA 38 n 26 ALA 38 D LEU 39 n 27 LEU 39 D THR 40 n 28 THR 40 D GLY 41 n 29 GLY 41 D THR 42 n 30 THR 42 D TYR 43 n 31 TYR 43 D ILE 44 n 32 ILE 44 D GLY 45 n 33 GLY 45 D ALA 46 n 34 ALA 46 D ARG 47 n 35 ARG 47 D GLY 48 n 36 GLY 48 D ASN 49 n 37 ASN 49 D ALA 50 n 38 ALA 50 D GLU 51 n 39 GLU 51 D SER 52 n 40 SER 52 D ARG 53 n 41 ARG 53 D TYR 54 n 42 TYR 54 D VAL 55 n 43 VAL 55 D LEU 56 n 44 LEU 56 D THR 57 n 45 THR 57 D GLY 58 n 46 GLY 58 D ARG 59 n 47 ARG 59 D TYR 60 n 48 TYR 60 D ASP 61 n 49 ASP 61 D SER 62 n 50 SER 62 D ALA 63 n 51 ALA 63 D PRO 64 n 52 PRO 64 D ALA 65 n 53 ALA 65 D THR 66 n 54 THR 66 D ASP 67 n 55 ASP 67 D GLY 68 n 56 GLY 68 D SER 69 n 57 SER 69 D GLY 70 n 58 GLY 70 D THR 71 n 59 THR 71 D ALA 72 n 60 ALA 72 D LEU 73 n 61 LEU 73 D GLY 74 n 62 GLY 74 D TRP 75 n 63 TRP 75 D THR 76 n 64 THR 76 D VAL 77 n 65 VAL 77 D ALA 78 n 66 ALA 78 D TRP 79 n 67 TRP 79 D LYS 80 n 68 LYS 80 D ASN 81 n 69 ASN 81 D ASN 82 n 70 ASN 82 D TYR 83 n 71 TYR 83 D ARG 84 n 72 ARG 84 D ASN 85 n 73 ASN 85 D ALA 86 n 74 ALA 86 D HIS 87 n 75 HIS 87 D SER 88 n 76 SER 88 D ALA 89 n 77 ALA 89 D THR 90 n 78 THR 90 D THR 91 n 79 THR 91 D TRP 92 n 80 TRP 92 D SER 93 n 81 SER 93 D GLY 94 n 82 GLY 94 D GLN 95 n 83 GLN 95 D TYR 96 n 84 TYR 96 D VAL 97 n 85 VAL 97 D GLY 98 n 86 GLY 98 D GLY 99 n 87 GLY 99 D ALA 100 n 88 ALA 100 D GLU 101 n 89 GLU 101 D ALA 102 n 90 ALA 102 D ARG 103 n 91 ARG 103 D ILE 104 n 92 ILE 104 D ASN 105 n 93 ASN 105 D THR 106 n 94 THR 106 D GLN 107 n 95 GLN 107 D TRP 108 n 96 TRP 108 D LEU 109 n 97 LEU 109 D LEU 110 n 98 LEU 110 D THR 111 n 99 THR 111 D SER 112 n 100 SER 112 D GLY 113 n 101 GLY 113 D THR 114 n 102 THR 114 D THR 115 n 103 THR 115 D GLU 116 n 104 GLU 116 D ALA 117 n 105 ALA 117 D ASN 118 n 106 ASN 118 D ALA 119 n 107 ALA 119 D TRP 120 n 108 TRP 120 D LYS 121 n 109 LYS 121 D SER 122 n 110 SER 122 D THR 123 n 111 THR 123 D LEU 124 n 112 LEU 124 D VAL 125 n 113 VAL 125 D GLY 126 n 114 GLY 126 D HIS 127 n 115 HIS 127 D ASP 128 n 116 ASP 128 D THR 129 n 117 THR 129 D PHE 130 n 118 PHE 130 D THR 131 n 119 THR 131 D LYS 132 n 120 LYS 132 D VAL 133 n 121 VAL 133 D LYS 134 n 122 LYS 134 D n 123 135 D n 124 136 D n 125 137 D n 126 138 D n 127 139 D author_and_software_defined_assembly PISA 4 tetrameric 8500 -54 20610 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 TRP 21 A N TRP 9 A O PHE 29 A O PHE 17 A N THR 28 A N THR 16 A O ILE 44 A O ILE 32 A N TYR 43 A N TYR 31 A O TYR 54 A O TYR 42 A N THR 57 A N THR 45 A O THR 76 A O THR 64 A N VAL 77 A N VAL 65 A O THR 90 A O THR 78 A N SER 93 A N SER 81 A O GLN 107 A O GLN 95 A N TRP 108 A N TRP 96 A O GLY 126 A O GLY 114 A O THR 131 A O THR 119 A N TYR 22 A N TYR 10 B N GLY 19 B N GLY 7 B O VAL 31 B O VAL 19 B N THR 28 B N THR 16 B O ILE 44 B O ILE 32 B N TYR 43 B N TYR 31 B O TYR 54 B O TYR 42 B N THR 57 B N THR 45 B O THR 76 B O THR 64 B N VAL 77 B N VAL 65 B O THR 90 B O THR 78 B N SER 93 B N SER 81 B O GLN 107 B O GLN 95 B N THR 106 B N THR 94 B O ASP 128 B O ASP 116 B O THR 131 B O THR 119 B N TYR 22 B N TYR 10 C N GLY 19 C N GLY 7 C O VAL 31 C O VAL 19 C N THR 28 C N THR 16 C O ILE 44 C O ILE 32 C N TYR 43 C N TYR 31 C O TYR 54 C O TYR 42 C N THR 57 C N THR 45 C O THR 76 C O THR 64 C N THR 71 C N THR 59 C O TYR 96 C O TYR 84 C N VAL 97 C N VAL 85 C O ARG 103 C O ARG 91 C N TRP 108 C N TRP 96 C O GLY 126 C O GLY 114 C O THR 131 C O THR 119 C N TYR 22 C N TYR 10 D N TRP 21 D N TRP 9 D O PHE 29 D O PHE 17 D N ILE 30 D N ILE 18 D O THR 42 D O THR 30 D N TYR 43 D N TYR 31 D O TYR 54 D O TYR 42 D N THR 57 D N THR 45 D O THR 76 D O THR 64 D N VAL 77 D N VAL 65 D O THR 90 D O THR 78 D N SER 93 D N SER 81 D O GLN 107 D O GLN 95 D N LEU 110 D N LEU 98 D O LEU 124 D O LEU 112 D O THR 131 D O THR 119 D N TYR 22 D N TYR 10 1 A MET 13 A MET 1 1 Y 1 A GLU 14 A GLU 2 1 Y 1 A ALA 15 A ALA 3 1 Y 1 A SER 136 A SER 124 1 Y 1 A ALA 137 A ALA 125 1 Y 1 A ALA 138 A ALA 126 1 Y 1 A SER 139 A SER 127 1 Y 1 B MET 13 B MET 1 1 Y 1 B GLU 14 B GLU 2 1 Y 1 B PRO 135 B PRO 123 1 Y 1 B SER 136 B SER 124 1 Y 1 B ALA 137 B ALA 125 1 Y 1 B ALA 138 B ALA 126 1 Y 1 B SER 139 B SER 127 1 Y 1 C MET 13 C MET 1 1 Y 1 C GLU 14 C GLU 2 1 Y 1 C ALA 15 C ALA 3 1 Y 1 C PRO 135 C PRO 123 1 Y 1 C SER 136 C SER 124 1 Y 1 C ALA 137 C ALA 125 1 Y 1 C ALA 138 C ALA 126 1 Y 1 C SER 139 C SER 127 1 Y 1 D MET 13 D MET 1 1 Y 1 D GLU 14 D GLU 2 1 Y 1 D ALA 15 D ALA 3 1 Y 1 D PRO 135 D PRO 123 1 Y 1 D SER 136 D SER 124 1 Y 1 D ALA 137 D ALA 125 1 Y 1 D ALA 138 D ALA 126 1 Y 1 D SER 139 D SER 127 1 Y 1 B B ND2 OE1 ASN GLU 49 51 1.87 1 C C O O HOH HOH 192 196 1.99 1 B B OH O TYR HOH 43 185 2.01 1 B C O O HOH HOH 190 188 2.08 1 5.89 0.90 118.30 124.19 A A A CB CG OD2 ASP ASP ASP 36 36 36 N 1 -5.70 0.90 118.30 112.60 A A A CB CG OD1 ASP ASP ASP 128 128 128 N 1 12.44 0.90 118.30 130.74 A A A CB CG OD2 ASP ASP ASP 128 128 128 N 1 -9.75 1.20 123.30 113.55 B B B OE1 CD OE2 GLU GLU GLU 51 51 51 N 1 -3.04 0.50 120.30 117.26 B B B NE CZ NH2 ARG ARG ARG 53 53 53 N 1 3.83 0.60 121.00 124.83 B B B CB CG CD2 TYR TYR TYR 60 60 60 N 1 -4.86 0.50 120.30 115.44 B B B NE CZ NH2 ARG ARG ARG 84 84 84 N 1 11.87 1.90 113.70 125.57 B B B CA CB CG TRP TRP TRP 92 92 92 N 1 6.45 0.90 118.30 124.75 C C C CB CG OD2 ASP ASP ASP 36 36 36 N 1 -21.12 2.30 110.00 88.88 C C C OG1 CB CG2 THR THR THR 42 42 42 N 1 7.23 0.90 118.30 125.53 C C C CB CG OD2 ASP ASP ASP 67 67 67 N 1 6.41 0.90 118.30 124.71 D D D CB CG OD1 ASP ASP ASP 61 61 61 N 1 B B CB CG TRP TRP 92 92 -0.115 0.018 1.498 1.383 N 1 A B O NH1 ASN ARG 82 47 2.14 1_555 1_556 1 B TRP 79 -85.68 49.30 1 B GLU 101 -113.15 58.77 1 C ALA 46 -37.42 -38.88 1 C GLU 101 -98.98 49.60 1 D TRP 79 -83.75 49.81 1 D ASN 81 -134.87 -159.16 1 D GLU 101 77.46 48.27 23.310 -0.72 0.00 0.02 0.98 0.00 -0.26 0.2276000 0.1911000 0.1929000 1.70 20.52 2387 45559 5.0 93.85 3.252 0.109 RANDOM 1 0 FOURIER SYNTHESIS 0.119 0.116 1SWU Engh & Huber 1.70 20.52 195 3775 0 0 3580 0.018 0.021 2.548 1.886 0.4400000 0.4000000 1.75 142 3245 89.47 1.7 20.52 1KL4 48419 -3.000 0.0070000 1 25.9 3.7 93.8 1.70 1.76 2.7 4604 0.5530000 3.44 89.7 refinement CNS refinement REFMAC data reduction DENZO data scaling SCALEPACK phasing CNS AN ENGINEERED STREPTAVIDIN WITH IMPROVED AFFINITY FOR THE STREP-TAG II PEPTIDE : apo-SAM2 1 N N 1 N N 1 N N 1 N N 2 N N 2 N N 2 N N 2 N N the biological assembly is one of the tetramers in the asymmetric unit A ASN 49 A ASN 37 HELX_P A GLU 51 A GLU 39 5 1 3 A THR 115 A THR 103 HELX_P A LYS 121 A LYS 109 5 2 7 B ASN 49 B ASN 37 HELX_P B GLU 51 B GLU 39 5 3 3 B THR 115 B THR 103 HELX_P B LYS 121 B LYS 109 5 4 7 C ASN 49 C ASN 37 HELX_P C GLU 51 C GLU 39 5 5 3 C THR 115 C THR 103 HELX_P C LYS 121 C LYS 109 5 6 7 D ASN 49 D ASN 37 HELX_P D GLU 51 D GLU 39 5 7 3 D THR 115 D THR 103 HELX_P D LYS 121 D LYS 109 5 8 7 PEPTIDE BINDING PROTEIN BIOTIN, PROTEIN ENGINEERING, STREP-TAG, STREPTAVIDIN, PEPTIDE BINDING PROTEIN SAV_STRAV UNP 1 38 P22629 EAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWS GQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS 38 163 1KL4 14 139 P22629 A 1 2 127 38 163 1KL4 14 139 P22629 B 1 2 127 38 163 1KL4 14 139 P22629 C 1 2 127 38 163 1KL4 14 139 P22629 D 1 2 127 1 initiating methionine MET 13 1KL4 A P22629 UNP 1 1 GLU engineered mutation ILE 44 1KL4 A P22629 UNP 68 32 1 SER engineered mutation GLY 45 1KL4 A P22629 UNP 69 33 1 VAL engineered mutation ARG 47 1KL4 A P22629 UNP 71 35 2 initiating methionine MET 13 1KL4 B P22629 UNP 1 2 GLU engineered mutation ILE 44 1KL4 B P22629 UNP 68 32 2 SER engineered mutation GLY 45 1KL4 B P22629 UNP 69 33 2 VAL engineered mutation ARG 47 1KL4 B P22629 UNP 71 35 3 initiating methionine MET 13 1KL4 C P22629 UNP 1 3 GLU engineered mutation ILE 44 1KL4 C P22629 UNP 68 32 3 SER engineered mutation GLY 45 1KL4 C P22629 UNP 69 33 3 VAL engineered mutation ARG 47 1KL4 C P22629 UNP 71 35 4 initiating methionine MET 13 1KL4 D P22629 UNP 1 4 GLU engineered mutation ILE 44 1KL4 D P22629 UNP 68 32 4 SER engineered mutation GLY 45 1KL4 D P22629 UNP 69 33 4 VAL engineered mutation ARG 47 1KL4 D P22629 UNP 71 35 9 9 9 9 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A GLY 19 A GLY 7 A ASN 23 A ASN 11 A THR 28 A THR 16 A ALA 33 A ALA 21 A ALA 38 A ALA 26 A ILE 44 A ILE 32 A ARG 53 A ARG 41 A TYR 60 A TYR 48 A THR 71 A THR 59 A LYS 80 A LYS 68 A ASN 85 A ASN 73 A VAL 97 A VAL 85 A ARG 103 A ARG 91 A SER 112 A SER 100 A THR 123 A THR 111 A THR 131 A THR 119 A GLY 19 A GLY 7 A ASN 23 A ASN 11 B GLY 19 B GLY 7 B TYR 22 B TYR 10 B THR 28 B THR 16 B ALA 33 B ALA 21 B ALA 38 B ALA 26 B ILE 44 B ILE 32 B ARG 53 B ARG 41 B TYR 60 B TYR 48 B THR 71 B THR 59 B LYS 80 B LYS 68 B ASN 85 B ASN 73 B VAL 97 B VAL 85 B ARG 103 B ARG 91 B SER 112 B SER 100 B THR 123 B THR 111 B THR 131 B THR 119 B GLY 19 B GLY 7 B TYR 22 B TYR 10 C GLY 19 C GLY 7 C TYR 22 C TYR 10 C THR 28 C THR 16 C ALA 33 C ALA 21 C ALA 38 C ALA 26 C ILE 44 C ILE 32 C ARG 53 C ARG 41 C TYR 60 C TYR 48 C THR 71 C THR 59 C LYS 80 C LYS 68 C ASN 85 C ASN 73 C VAL 97 C VAL 85 C ARG 103 C ARG 91 C SER 112 C SER 100 C THR 123 C THR 111 C THR 131 C THR 119 C GLY 19 C GLY 7 C TYR 22 C TYR 10 D GLY 19 D GLY 7 D ASN 23 D ASN 11 D THR 28 D THR 16 D ALA 33 D ALA 21 D ALA 38 D ALA 26 D ILE 44 D ILE 32 D ARG 53 D ARG 41 D TYR 60 D TYR 48 D THR 71 D THR 59 D LYS 80 D LYS 68 D ASN 85 D ASN 73 D VAL 97 D VAL 85 D ARG 103 D ARG 91 D SER 112 D SER 100 D THR 123 D THR 111 D THR 131 D THR 119 D GLY 19 D GLY 7 D ASN 23 D ASN 11 4 P 1 21 1