0.020833 0.000000 0.002669 0.000000 0.015083 0.000000 0.000000 0.000000 0.012250 0.00000 0.00000 0.00000 Freitag, S. Chu, V. Le Trong, I. Klumb, L.A. To, R. Stayton, P.S. Stenkamp, R.E. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 97.30 90.00 48.000 66.300 82.300 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C9 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 Y 221 N C Y 222 N C Y 223 N C Y 224 N C Y 225 N C Y 226 N C N 227 N O 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 H N 237 N H N 238 N H N 239 N N N 240 S C N 241 N C N 242 N O N 243 N C N 244 N C N 245 N C N 246 N O 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 H N 254 N H N 255 N H N 256 N N N 257 S C N 258 N C N 259 N O N 260 N C N 261 N O N 262 N O 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 R C N 275 N O N 276 N C N 277 N O N 278 N H N 279 N H N 280 N H N 281 N H N 282 N H N 283 N H N 284 N H N 285 N H N 286 N H N 287 N N N 288 S C N 289 N C N 290 N O N 291 N C Y 292 N C Y 293 N C Y 294 N C Y 295 N N Y 296 N C Y 297 N C Y 298 N C Y 299 N C Y 300 N C N 301 N O N 302 N H N 303 N H N 304 N H N 305 N H N 306 N H N 307 N H N 308 N H N 309 N H N 310 N H N 311 N H N 312 N H N 313 N H N 314 N N N 315 S C N 316 N C N 317 N O N 318 N C Y 319 N C Y 320 N C Y 321 N C Y 322 N C Y 323 N C Y 324 N C N 325 N O N 326 N O N 327 N H N 328 N H N 329 N H N 330 N H N 331 N H N 332 N H N 333 N H N 334 N H N 335 N H N 336 N H N 337 N H N 338 N N N 339 S C N 340 N C N 341 N O N 342 N C N 343 N C N 344 N C 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 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 Y 216 N doub Y 217 N sing Y 218 N sing N 219 N sing Y 220 N doub N 221 N sing Y 222 N doub N 223 N sing Y 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 sing N 233 N sing N 234 N doub N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N sing N 240 N sing N 241 N sing N 242 N sing N 243 N sing N 244 N 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 doub 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 sing N 272 N sing N 273 N sing N 274 N sing N 275 N sing N 276 N sing N 277 N sing N 278 N sing N 279 N sing N 280 N doub N 281 N sing N 282 N sing N 283 N sing N 284 N sing Y 285 N doub Y 286 N sing Y 287 N sing N 288 N sing Y 289 N doub Y 290 N sing Y 291 N sing N 292 N sing Y 293 N sing Y 294 N doub N 295 N sing Y 296 N doub N 297 N sing Y 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 doub N 309 N sing N 310 N sing N 311 N sing N 312 N sing Y 313 N doub Y 314 N sing Y 315 N sing N 316 N sing Y 317 N doub N 318 N sing Y 319 N doub N 320 N sing Y 321 N sing N 322 N sing N 323 N sing N 324 N sing N 325 N sing N 326 N sing N 327 N sing N 328 N sing N 329 N sing N 330 N sing N 331 N sing N 332 N doub 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 sing N 341 N sing N 342 N sing N 343 N sing US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 96 8384 8389 10.1073/pnas.96.15.8384 10411884 A structural snapshot of an intermediate on the streptavidin-biotin dissociation pathway. 1999 10.2210/pdb1sws/pdb pdb_00001sws 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 295 1 IMAGE PLATE 1996-11-13 RIGAKU RAXIS II GRAPHITE CRYSTAL SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RU200 13237.326 PROTEIN (STREPTAVIDIN) D128A 4 man polymer 18.015 water 178 nat water no no AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHATFTKVKPSAAS AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHATFTKVKPSAAS 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 T7 EXPRESSION SYSTEM (PET-210, NOVAGEN, INC., MADISON,WI. SYNTHETIC GENE) 1895 Streptomyces avidinii 562 Escherichia coli 1 2.29 49.85 4.5 50% MPD (2-METHYL-2,4-PENTANEDIOLE), PH 4.5. 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 1999-07-30 1 1 2008-04-27 1 2 2011-07-13 1 3 2021-11-03 1 4 2023-08-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_ref_seq_dif.details BNL Y RCSB 1998-10-22 REL REL HOH water 1SWC PDB ENTRY 1SWC PDB experimental model HOH 201 2 HOH HOH 201 A HOH 208 2 HOH HOH 208 A HOH 210 2 HOH HOH 210 A HOH 213 2 HOH HOH 213 A HOH 214 2 HOH HOH 214 A HOH 215 2 HOH HOH 215 A HOH 218 2 HOH HOH 218 A HOH 222 2 HOH HOH 222 A HOH 224 2 HOH HOH 224 A HOH 231 2 HOH HOH 231 A HOH 233 2 HOH HOH 233 A HOH 240 2 HOH HOH 240 A HOH 250 2 HOH HOH 250 A HOH 251 2 HOH HOH 251 A HOH 254 2 HOH HOH 254 A HOH 257 2 HOH HOH 257 A HOH 261 2 HOH HOH 261 A HOH 274 2 HOH HOH 274 A HOH 276 2 HOH HOH 276 A HOH 278 2 HOH HOH 278 A HOH 289 2 HOH HOH 289 A HOH 292 2 HOH HOH 292 A HOH 294 2 HOH HOH 294 A HOH 296 2 HOH HOH 296 A HOH 299 2 HOH HOH 299 A HOH 300 2 HOH HOH 300 A HOH 302 2 HOH HOH 302 A HOH 316 2 HOH HOH 316 A HOH 317 2 HOH HOH 317 A HOH 324 2 HOH HOH 324 A HOH 328 2 HOH HOH 328 A HOH 330 2 HOH HOH 330 A HOH 332 2 HOH HOH 332 A HOH 333 2 HOH HOH 333 A HOH 336 2 HOH HOH 336 A HOH 338 2 HOH HOH 338 A HOH 339 2 HOH HOH 339 A HOH 341 2 HOH HOH 341 A HOH 344 2 HOH HOH 344 A HOH 346 2 HOH HOH 346 A HOH 349 2 HOH HOH 349 A HOH 356 2 HOH HOH 356 A HOH 358 2 HOH HOH 358 A HOH 360 2 HOH HOH 360 A HOH 372 2 HOH HOH 372 A HOH 373 2 HOH HOH 373 A HOH 202 2 HOH HOH 202 B HOH 204 2 HOH HOH 204 B HOH 205 2 HOH HOH 205 B HOH 207 2 HOH HOH 207 B HOH 212 2 HOH HOH 212 B HOH 216 2 HOH HOH 216 B HOH 225 2 HOH HOH 225 B HOH 227 2 HOH HOH 227 B HOH 229 2 HOH HOH 229 B HOH 234 2 HOH HOH 234 B HOH 238 2 HOH HOH 238 B HOH 242 2 HOH HOH 242 B HOH 246 2 HOH HOH 246 B HOH 253 2 HOH HOH 253 B HOH 255 2 HOH HOH 255 B HOH 259 2 HOH HOH 259 B HOH 262 2 HOH HOH 262 B HOH 263 2 HOH HOH 263 B HOH 264 2 HOH HOH 264 B HOH 269 2 HOH HOH 269 B HOH 270 2 HOH HOH 270 B HOH 271 2 HOH HOH 271 B HOH 279 2 HOH HOH 279 B HOH 282 2 HOH HOH 282 B HOH 283 2 HOH HOH 283 B HOH 288 2 HOH HOH 288 B HOH 295 2 HOH HOH 295 B HOH 304 2 HOH HOH 304 B HOH 309 2 HOH HOH 309 B HOH 310 2 HOH HOH 310 B HOH 312 2 HOH HOH 312 B HOH 313 2 HOH HOH 313 B HOH 315 2 HOH HOH 315 B HOH 318 2 HOH HOH 318 B HOH 319 2 HOH HOH 319 B HOH 321 2 HOH HOH 321 B HOH 322 2 HOH HOH 322 B HOH 323 2 HOH HOH 323 B HOH 325 2 HOH HOH 325 B HOH 326 2 HOH HOH 326 B HOH 331 2 HOH HOH 331 B HOH 340 2 HOH HOH 340 B HOH 348 2 HOH HOH 348 B HOH 357 2 HOH HOH 357 B HOH 362 2 HOH HOH 362 B HOH 364 2 HOH HOH 364 B HOH 365 2 HOH HOH 365 B HOH 366 2 HOH HOH 366 B HOH 368 2 HOH HOH 368 B HOH 370 2 HOH HOH 370 B HOH 376 2 HOH HOH 376 B HOH 377 2 HOH HOH 377 B HOH 206 2 HOH HOH 206 C HOH 209 2 HOH HOH 209 C HOH 211 2 HOH HOH 211 C HOH 217 2 HOH HOH 217 C HOH 221 2 HOH HOH 221 C HOH 236 2 HOH HOH 236 C HOH 241 2 HOH HOH 241 C HOH 265 2 HOH HOH 265 C HOH 266 2 HOH HOH 266 C HOH 273 2 HOH HOH 273 C HOH 275 2 HOH HOH 275 C HOH 277 2 HOH HOH 277 C HOH 280 2 HOH HOH 280 C HOH 286 2 HOH HOH 286 C HOH 290 2 HOH HOH 290 C HOH 291 2 HOH HOH 291 C HOH 303 2 HOH HOH 303 C HOH 305 2 HOH HOH 305 C HOH 307 2 HOH HOH 307 C HOH 308 2 HOH HOH 308 C HOH 311 2 HOH HOH 311 C HOH 320 2 HOH HOH 320 C HOH 329 2 HOH HOH 329 C HOH 342 2 HOH HOH 342 C HOH 347 2 HOH HOH 347 C HOH 350 2 HOH HOH 350 C HOH 353 2 HOH HOH 353 C HOH 354 2 HOH HOH 354 C HOH 361 2 HOH HOH 361 C HOH 363 2 HOH HOH 363 C HOH 367 2 HOH HOH 367 C HOH 369 2 HOH HOH 369 C HOH 375 2 HOH HOH 375 C HOH 378 2 HOH HOH 378 C HOH 203 2 HOH HOH 203 D HOH 219 2 HOH HOH 219 D HOH 220 2 HOH HOH 220 D HOH 223 2 HOH HOH 223 D HOH 226 2 HOH HOH 226 D HOH 228 2 HOH HOH 228 D HOH 230 2 HOH HOH 230 D HOH 232 2 HOH HOH 232 D HOH 235 2 HOH HOH 235 D HOH 237 2 HOH HOH 237 D HOH 239 2 HOH HOH 239 D HOH 243 2 HOH HOH 243 D HOH 244 2 HOH HOH 244 D HOH 245 2 HOH HOH 245 D HOH 247 2 HOH HOH 247 D HOH 248 2 HOH HOH 248 D HOH 249 2 HOH HOH 249 D HOH 252 2 HOH HOH 252 D HOH 256 2 HOH HOH 256 D HOH 258 2 HOH HOH 258 D HOH 260 2 HOH HOH 260 D HOH 267 2 HOH HOH 267 D HOH 268 2 HOH HOH 268 D HOH 272 2 HOH HOH 272 D HOH 281 2 HOH HOH 281 D HOH 284 2 HOH HOH 284 D HOH 285 2 HOH HOH 285 D HOH 287 2 HOH HOH 287 D HOH 293 2 HOH HOH 293 D HOH 297 2 HOH HOH 297 D HOH 298 2 HOH HOH 298 D HOH 301 2 HOH HOH 301 D HOH 306 2 HOH HOH 306 D HOH 314 2 HOH HOH 314 D HOH 327 2 HOH HOH 327 D HOH 334 2 HOH HOH 334 D HOH 335 2 HOH HOH 335 D HOH 337 2 HOH HOH 337 D HOH 343 2 HOH HOH 343 D HOH 345 2 HOH HOH 345 D HOH 351 2 HOH HOH 351 D HOH 352 2 HOH HOH 352 D HOH 355 2 HOH HOH 355 D HOH 359 2 HOH HOH 359 D HOH 371 2 HOH HOH 371 D HOH 374 2 HOH HOH 374 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 GLU 44 n 32 GLU 44 A n 33 45 A n 34 46 A n 35 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 ALA 128 n 116 ALA 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 n 121 133 A n 122 134 A n 123 135 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 n 3 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 GLU 44 n 32 GLU 44 B SER 45 n 33 SER 45 B ALA 46 n 34 ALA 46 B VAL 47 n 35 VAL 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 ALA 128 n 116 ALA 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 n 121 133 B n 122 134 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 GLU 44 n 32 GLU 44 C SER 45 n 33 SER 45 C ALA 46 n 34 ALA 46 C n 35 47 C n 36 48 C n 37 49 C n 38 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 ALA 128 n 116 ALA 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 n 121 133 C n 122 134 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 GLU 44 n 32 GLU 44 D n 33 45 D n 34 46 D n 35 47 D n 36 48 D n 37 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 ALA 128 n 116 ALA 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 n 121 133 D n 122 134 D n 123 135 D n 124 136 D n 125 137 D n 126 138 D n 127 139 D 0.1670000 0.1910000 0.1620000 0.1850000 0.2430000 0.2720000 2618 3197 10 10.0 26445 author_and_software_defined_assembly PISA 4 tetrameric 8390 -52 19390 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 A O GLY 19 A O GLY 7 A N VAL 31 A N VAL 19 A O ILE 30 A O ILE 18 A N THR 42 A N THR 30 A O LEU 39 A O LEU 27 A N GLY 58 A N GLY 46 A O THR 57 A O THR 45 A N THR 76 A N THR 64 A O THR 71 A O THR 59 A N TYR 96 A N TYR 84 A O ALA 89 A O ALA 77 A N THR 111 A N THR 99 A O ILE 104 A O ILE 92 A N PHE 130 A N PHE 118 B O GLY 19 B O GLY 7 B N VAL 31 B N VAL 19 B O THR 28 B O THR 16 B N GLU 44 B N GLU 32 B O LEU 39 B O LEU 27 B N GLY 58 B N GLY 46 B O THR 57 B O THR 45 B N THR 76 B N THR 64 B O THR 71 B O THR 59 B N TYR 96 B N TYR 84 B O ALA 89 B O ALA 77 B N THR 111 B N THR 99 B O ILE 104 B O ILE 92 B N PHE 130 B N PHE 118 C O GLY 19 C O GLY 7 C N VAL 31 C N VAL 19 C O THR 28 C O THR 16 C N GLU 44 C N GLU 32 C O LEU 39 C O LEU 27 C N GLY 58 C N GLY 46 C O THR 57 C O THR 45 C N THR 76 C N THR 64 C O THR 71 C O THR 59 C N TYR 96 C N TYR 84 C O ALA 89 C O ALA 77 C N THR 111 C N THR 99 C O ILE 104 C O ILE 92 C N PHE 130 C N PHE 118 D O GLY 19 D O GLY 7 D N VAL 31 D N VAL 19 D O THR 28 D O THR 16 D N GLU 44 D N GLU 32 D O LEU 39 D O LEU 27 D N GLY 58 D N GLY 46 D O THR 57 D O THR 45 D N THR 76 D N THR 64 D O THR 71 D O THR 59 D N TYR 96 D N TYR 84 D O ALA 89 D O ALA 77 D N THR 111 D N THR 99 D O ILE 104 D O ILE 92 D N PHE 130 D N PHE 118 1 A ALA 13 A ALA 1 1 Y 1 A GLU 14 A GLU 2 1 Y 1 A ALA 15 A ALA 3 1 Y 1 A SER 45 A SER 33 1 Y 1 A ALA 46 A ALA 34 1 Y 1 A VAL 47 A VAL 35 1 Y 1 A VAL 133 A VAL 121 1 Y 1 A LYS 134 A LYS 122 1 Y 1 A PRO 135 A PRO 123 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 ALA 13 B ALA 1 1 Y 1 B GLU 14 B GLU 2 1 Y 1 B ALA 15 B ALA 3 1 Y 1 B VAL 133 B VAL 121 1 Y 1 B LYS 134 B LYS 122 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 ALA 13 C ALA 1 1 Y 1 C GLU 14 C GLU 2 1 Y 1 C ALA 15 C ALA 3 1 Y 1 C VAL 47 C VAL 35 1 Y 1 C GLY 48 C GLY 36 1 Y 1 C ASN 49 C ASN 37 1 Y 1 C ALA 50 C ALA 38 1 Y 1 C VAL 133 C VAL 121 1 Y 1 C LYS 134 C LYS 122 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 ALA 13 D ALA 1 1 Y 1 D GLU 14 D GLU 2 1 Y 1 D ALA 15 D ALA 3 1 Y 1 D SER 45 D SER 33 1 Y 1 D ALA 46 D ALA 34 1 Y 1 D VAL 47 D VAL 35 1 Y 1 D GLY 48 D GLY 36 1 Y 1 D ASN 49 D ASN 37 1 Y 1 D VAL 133 D VAL 121 1 Y 1 D LYS 134 D LYS 122 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 16.38 2.30 115.30 131.68 B B B CA CB CG LEU LEU LEU 56 56 56 N 1 26.44 2.50 121.70 148.14 B B B C N CA GLY THR THR 113 114 114 Y 1 A THR 66 -110.31 60.56 1 A GLU 101 -111.47 61.70 1 C GLN 24 -27.29 -59.84 1 D GLU 101 -100.49 56.28 0.2720000 0.1910000 0.1850000 2.0 10.00 14379 3197 31972 14409 10.0 85 EVERY 10TH REFLECTION 1 RFREE 0.0 MOLECULAR REPLACEMENT PDB ENTRY 1SWC ENGH AND HUBER MOEWS & KRETSINGER, J.MOL.BIOL.91(1973) 201-228 0 3230.0 3594.0 2.0 10.00 178 3594 0 0 3416 0.006 0.024 0.000 0.019 0.107 0.056 0.014 0.000 0.088 0.000 2.0 50 1SWS 30500 1 0.0300000 1 15 2.5 85 2.0 2.1 2.0 46 phasing SHELXS refinement SHELXL-97 CORE-STREPTAVIDIN MUTANT D128A AT PH 4.5 1 N N 1 N N 1 N N 1 N N 2 N N 2 N N 2 N N 2 N N A ALA 50 A ALA 38 HELX_P A SER 52 A SER 40 5 1 3 A GLU 116 A GLU 104 HELX_P A LYS 121 A LYS 109 5 2 6 B ALA 50 B ALA 38 HELX_P B SER 52 B SER 40 5 3 3 B GLU 116 B GLU 104 HELX_P B LYS 121 B LYS 109 5 4 6 C GLU 116 C GLU 104 HELX_P C LYS 121 C LYS 109 5 5 6 D GLU 116 D GLU 104 HELX_P D LYS 121 D LYS 109 5 6 6 BINDING PROTEIN BIOTIN BINDING PROTEIN, BINDING PROTEIN SAV_STRAV UNP 1 37 163 1SWS 13 139 P22629 A 1 1 127 37 163 1SWS 13 139 P22629 B 1 1 127 37 163 1SWS 13 139 P22629 C 1 1 127 37 163 1SWS 13 139 P22629 D 1 1 127 1 ASP engineered mutation ALA 128 1SWS A P22629 UNP 152 116 2 ASP engineered mutation ALA 128 1SWS B P22629 UNP 152 116 3 ASP engineered mutation ALA 128 1SWS C P22629 UNP 152 116 4 ASP engineered mutation ALA 128 1SWS D P22629 UNP 152 116 8 8 8 8 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 TYR 22 A TYR 10 A THR 28 A THR 16 A ALA 33 A ALA 21 A ALA 38 A ALA 26 A TYR 43 A TYR 31 A TYR 54 A TYR 42 A TYR 60 A TYR 48 A THR 71 A THR 59 A ALA 78 A ALA 66 A SER 88 A SER 76 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 B GLY 19 B GLY 7 B ASN 23 B ASN 11 B SER 27 B SER 15 B ALA 33 B ALA 21 B ALA 38 B ALA 26 B GLU 44 B GLU 32 B ARG 53 B ARG 41 B TYR 60 B TYR 48 B THR 71 B THR 59 B ALA 78 B ALA 66 B SER 88 B SER 76 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 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 GLU 44 C GLU 32 C ARG 53 C ARG 41 C TYR 60 C TYR 48 C THR 71 C THR 59 C ALA 78 C ALA 66 C SER 88 C SER 76 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 D GLY 19 D GLY 7 D ASN 23 D ASN 11 D SER 27 D SER 15 D ALA 33 D ALA 21 D ALA 38 D ALA 26 D GLU 44 D GLU 32 D TYR 54 D TYR 42 D TYR 60 D TYR 48 D THR 71 D THR 59 D ALA 78 D ALA 66 D SER 88 D SER 76 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 4 P 1 21 1