0.021596 0.000000 0.000000 0.000000 0.010705 0.000000 0.000000 0.000000 0.009622 0.000000 0.000000 0.000000 Hyre, D.E. Le Trong, I. Merritt, E.A. Green, N.M. Stenkamp, R.E. Stayton, P.S. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 16 90.00 90.00 90.00 46.305 93.414 103.931 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 C10 H16 N2 O3 S 244.311 BIOTIN non-polymer 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 C N 75 N O N 76 N O N 77 N C N 78 N C N 79 N C N 80 N C N 81 S C N 82 N S N 83 N C N 84 R C N 85 N N N 86 N C N 87 N O N 88 N N N 89 S C N 90 N H N 91 N H N 92 N H N 93 N H N 94 N H N 95 N H N 96 N H N 97 N H N 98 N H N 99 N H N 100 N H N 101 N H N 102 N H N 103 N H N 104 N H N 105 N H N 106 N N N 107 S C N 108 N C N 109 N O N 110 N C N 111 N C N 112 N C N 113 N O N 114 N N N 115 N O N 116 N H N 117 N H N 118 N H N 119 N H N 120 N H N 121 N H N 122 N H N 123 N H N 124 N H N 125 N H N 126 N N N 127 S C N 128 N C N 129 N O N 130 N C N 131 N C N 132 N C N 133 N O N 134 N O N 135 N O 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 H N 145 N N N 146 N C N 147 N C N 148 N O N 149 N O N 150 N H N 151 N H N 152 N H N 153 N H N 154 N H N 155 N N N 156 S C N 157 N C N 158 N O N 159 N C Y 160 N C Y 161 N N Y 162 N C Y 163 N C Y 164 N N N 165 N O N 166 N H N 167 N H N 168 N H N 169 N H N 170 N H N 171 N H N 172 N H N 173 N H N 174 N H N 175 N H N 176 N O N 177 N H N 178 N H N 179 N N N 180 S C N 181 N C N 182 N O N 183 S C N 184 N C N 185 N C N 186 N C N 187 N O N 188 N H N 189 N H N 190 N H N 191 N H N 192 N H N 193 N H N 194 N H N 195 N H N 196 N H N 197 N H N 198 N H N 199 N H N 200 N H N 201 N N N 202 S C N 203 N C N 204 N O N 205 N C N 206 N C N 207 N C N 208 N C N 209 N O N 210 N H N 211 N H N 212 N H N 213 N H N 214 N H N 215 N H N 216 N H N 217 N H N 218 N H N 219 N H N 220 N H N 221 N H N 222 N H N 223 N N N 224 S C N 225 N C N 226 N O N 227 N C N 228 N C N 229 N C N 230 N C N 231 N N N 232 N O N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N H N 239 N H N 240 N H N 241 N H N 242 N H N 243 N H N 244 N H N 245 N H N 246 N H N 247 N H N 248 N N N 249 S C N 250 N C N 251 N O N 252 N C Y 253 N C Y 254 N C Y 255 N C Y 256 N C Y 257 N C Y 258 N C N 259 N O N 260 N H N 261 N H N 262 N H N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N H N 269 N H N 270 N H N 271 N N N 272 S C N 273 N C N 274 N O N 275 N C N 276 N C N 277 N C N 278 N O 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 H N 288 N N N 289 S C N 290 N C N 291 N O N 292 N C N 293 N O N 294 N O N 295 N H N 296 N H N 297 N H N 298 N H N 299 N H N 300 N H N 301 N H N 302 N N N 303 S C N 304 N C N 305 N O N 306 R C N 307 N O N 308 N C N 309 N O N 310 N H N 311 N H N 312 N H N 313 N H N 314 N H N 315 N H N 316 N H N 317 N H N 318 N H N 319 N N N 320 S C N 321 N C N 322 N O N 323 N C Y 324 N C Y 325 N C Y 326 N C Y 327 N N Y 328 N C Y 329 N C Y 330 N C Y 331 N C Y 332 N C N 333 N O N 334 N H N 335 N H N 336 N H N 337 N H N 338 N H N 339 N H N 340 N H N 341 N H N 342 N H N 343 N H N 344 N H N 345 N H N 346 N N N 347 S C N 348 N C N 349 N O N 350 N C Y 351 N C Y 352 N C Y 353 N C Y 354 N C Y 355 N C Y 356 N C N 357 N O N 358 N O N 359 N H N 360 N H N 361 N H N 362 N H N 363 N H N 364 N H N 365 N H N 366 N H N 367 N H N 368 N H N 369 N H N 370 N N N 371 S C N 372 N C N 373 N O N 374 N C N 375 N C N 376 N C N 377 N O N 378 N H N 379 N H N 380 N H N 381 N H N 382 N H N 383 N H N 384 N H N 385 N H N 386 N H N 387 N H N 388 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 doub N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N sing N 77 N sing N 78 N sing N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N 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 sing N 96 N sing N 97 N sing N 98 N doub 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 sing N 109 N doub 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 sing N 117 N doub 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 sing N 127 N sing N 128 N doub N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N sing N 136 N doub 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 sing N 146 N doub 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 doub N 156 N sing N 157 N sing N 158 N sing N 159 N sing Y 160 N sing Y 161 N doub Y 162 N doub N 163 N sing Y 164 N sing N 165 N sing Y 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 doub 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 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 doub N 200 N sing N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N sing N 210 N sing N 211 N sing N 212 N sing N 213 N sing N 214 N sing N 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N doub 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 sing N 231 N sing N 232 N sing N 233 N sing N 234 N sing N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N sing N 240 N sing N 241 N sing N 242 N sing N 243 N sing N 244 N doub N 245 N sing N 246 N sing N 247 N sing N 248 N sing Y 249 N doub Y 250 N sing Y 251 N sing N 252 N sing Y 253 N doub N 254 N sing Y 255 N doub N 256 N sing Y 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 doub 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 sing N 281 N sing N 282 N sing N 283 N sing N 284 N doub N 285 N sing N 286 N sing N 287 N sing N 288 N sing N 289 N sing N 290 N sing N 291 N sing N 292 N sing N 293 N sing N 294 N sing N 295 N sing N 296 N sing N 297 N doub N 298 N sing N 299 N sing N 300 N sing N 301 N sing N 302 N sing N 303 N sing N 304 N sing N 305 N sing N 306 N sing N 307 N sing N 308 N sing N 309 N sing N 310 N sing N 311 N sing N 312 N sing N 313 N doub N 314 N sing N 315 N sing N 316 N sing N 317 N sing Y 318 N doub Y 319 N sing Y 320 N sing N 321 N sing Y 322 N doub Y 323 N sing Y 324 N sing N 325 N sing Y 326 N sing Y 327 N doub N 328 N sing Y 329 N doub N 330 N sing Y 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N sing N 339 N sing N 340 N sing N 341 N doub N 342 N sing N 343 N sing N 344 N sing N 345 N sing Y 346 N doub Y 347 N sing Y 348 N sing N 349 N sing Y 350 N doub N 351 N sing Y 352 N doub N 353 N sing Y 354 N sing N 355 N sing N 356 N sing N 357 N sing N 358 N sing N 359 N sing N 360 N sing N 361 N sing N 362 N sing N 363 N sing N 364 N sing N 365 N doub N 366 N sing N 367 N sing N 368 N sing N 369 N sing N 370 N sing N 371 N sing N 372 N sing N 373 N sing N 374 N sing N 375 N sing N 376 N sing US Protein Sci. PRCIEI 0795 0961-8368 15 459 467 10.1110/ps.051970306 16452627 Cooperative hydrogen bond interactions in the streptavidin-biotin system 2006 10.2210/pdb1mk5/pdb pdb_00001mk5 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 100 1 CCD 2001-10-01 ADSC QUANTUM 4 SINGLE WAVELENGTH M x-ray 1 1.00 1.0 5.0.1 ALS 1.00 1.00 SYNCHROTRON ALS BEAMLINE 5.0.1 13281.336 Streptavidin Core Streptavidin (residues 13-139) 2 man polymer 244.311 BIOTIN 2 syn non-polymer 18.015 water 239 nat water no no AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS A,B polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n 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 Escherichia coli sample core streptavidin 1895 Streptomyces avidinii 511693 Escherichia coli BL21 BL21 plasmid pET21a 1 1.86 33.8 VAPOR DIFFUSION, SITTING DROP 4.5 ammonium sulphate, sodium acetate, sodium chloride, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K 293 chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model struct_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations Refinement description 1 0 2003-09-09 1 1 2008-04-28 1 2 2011-07-13 1 3 2024-02-14 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id Streptavidin Double Mutant S45A/D128A With Biotin Apo-Core-Streptavidin in Complex With Biotin At pH 4.5 RCSB Y RCSB 2002-08-28 REL REL BTN BIOTIN HOH water 1DF8 PDB experimental model BTN 5100 2 BTN BTN 5100 A BTN 5200 2 BTN BTN 5200 B HOH 6006 3 HOH HOH 6006 A HOH 6007 3 HOH HOH 6007 A HOH 6008 3 HOH HOH 6008 A HOH 6009 3 HOH HOH 6009 A HOH 6011 3 HOH HOH 6011 A HOH 6013 3 HOH HOH 6013 A HOH 6015 3 HOH HOH 6015 A HOH 6016 3 HOH HOH 6016 A HOH 6019 3 HOH HOH 6019 A HOH 6020 3 HOH HOH 6020 A HOH 6025 3 HOH HOH 6025 A HOH 6029 3 HOH HOH 6029 A HOH 6031 3 HOH HOH 6031 A HOH 6032 3 HOH HOH 6032 A HOH 6033 3 HOH HOH 6033 A HOH 6034 3 HOH HOH 6034 A HOH 6035 3 HOH HOH 6035 A HOH 6039 3 HOH HOH 6039 A HOH 6041 3 HOH HOH 6041 A HOH 6042 3 HOH HOH 6042 A HOH 6043 3 HOH HOH 6043 A HOH 6045 3 HOH HOH 6045 A HOH 6047 3 HOH HOH 6047 A HOH 6050 3 HOH HOH 6050 A HOH 6051 3 HOH HOH 6051 A HOH 6052 3 HOH HOH 6052 A HOH 6053 3 HOH HOH 6053 A HOH 6054 3 HOH HOH 6054 A HOH 6055 3 HOH HOH 6055 A HOH 6057 3 HOH HOH 6057 A HOH 6059 3 HOH HOH 6059 A HOH 6062 3 HOH HOH 6062 A HOH 6065 3 HOH HOH 6065 A HOH 6066 3 HOH HOH 6066 A HOH 6069 3 HOH HOH 6069 A HOH 6070 3 HOH HOH 6070 A HOH 6074 3 HOH HOH 6074 A HOH 6077 3 HOH HOH 6077 A HOH 6079 3 HOH HOH 6079 A HOH 6080 3 HOH HOH 6080 A HOH 6082 3 HOH HOH 6082 A HOH 6083 3 HOH HOH 6083 A HOH 6085 3 HOH HOH 6085 A HOH 6086 3 HOH HOH 6086 A HOH 6087 3 HOH HOH 6087 A HOH 6094 3 HOH HOH 6094 A HOH 6095 3 HOH HOH 6095 A HOH 6096 3 HOH HOH 6096 A HOH 6097 3 HOH HOH 6097 A HOH 6099 3 HOH HOH 6099 A HOH 6100 3 HOH HOH 6100 A HOH 6110 3 HOH HOH 6110 A HOH 6116 3 HOH HOH 6116 A HOH 6117 3 HOH HOH 6117 A HOH 6118 3 HOH HOH 6118 A HOH 6119 3 HOH HOH 6119 A HOH 6120 3 HOH HOH 6120 A HOH 6121 3 HOH HOH 6121 A HOH 6122 3 HOH HOH 6122 A HOH 6125 3 HOH HOH 6125 A HOH 6126 3 HOH HOH 6126 A HOH 6127 3 HOH HOH 6127 A HOH 6129 3 HOH HOH 6129 A HOH 6130 3 HOH HOH 6130 A HOH 6133 3 HOH HOH 6133 A HOH 6134 3 HOH HOH 6134 A HOH 6136 3 HOH HOH 6136 A HOH 6139 3 HOH HOH 6139 A HOH 6140 3 HOH HOH 6140 A HOH 6142 3 HOH HOH 6142 A HOH 6145 3 HOH HOH 6145 A HOH 6148 3 HOH HOH 6148 A HOH 6150 3 HOH HOH 6150 A HOH 6151 3 HOH HOH 6151 A HOH 6152 3 HOH HOH 6152 A HOH 6154 3 HOH HOH 6154 A HOH 6155 3 HOH HOH 6155 A HOH 6156 3 HOH HOH 6156 A HOH 6157 3 HOH HOH 6157 A HOH 6160 3 HOH HOH 6160 A HOH 6161 3 HOH HOH 6161 A HOH 6163 3 HOH HOH 6163 A HOH 6165 3 HOH HOH 6165 A HOH 6167 3 HOH HOH 6167 A HOH 6168 3 HOH HOH 6168 A HOH 6169 3 HOH HOH 6169 A HOH 6171 3 HOH HOH 6171 A HOH 6175 3 HOH HOH 6175 A HOH 6177 3 HOH HOH 6177 A HOH 6178 3 HOH HOH 6178 A HOH 6181 3 HOH HOH 6181 A HOH 6188 3 HOH HOH 6188 A HOH 6189 3 HOH HOH 6189 A HOH 6190 3 HOH HOH 6190 A HOH 6195 3 HOH HOH 6195 A HOH 6196 3 HOH HOH 6196 A HOH 6197 3 HOH HOH 6197 A HOH 6206 3 HOH HOH 6206 A HOH 6208 3 HOH HOH 6208 A HOH 6210 3 HOH HOH 6210 A HOH 6211 3 HOH HOH 6211 A HOH 6212 3 HOH HOH 6212 A HOH 6214 3 HOH HOH 6214 A HOH 6215 3 HOH HOH 6215 A HOH 6216 3 HOH HOH 6216 A HOH 6219 3 HOH HOH 6219 A HOH 6220 3 HOH HOH 6220 A HOH 6221 3 HOH HOH 6221 A HOH 6223 3 HOH HOH 6223 A HOH 6224 3 HOH HOH 6224 A HOH 6225 3 HOH HOH 6225 A HOH 6227 3 HOH HOH 6227 A HOH 6228 3 HOH HOH 6228 A HOH 6229 3 HOH HOH 6229 A HOH 6233 3 HOH HOH 6233 A HOH 6234 3 HOH HOH 6234 A HOH 6236 3 HOH HOH 6236 A HOH 6239 3 HOH HOH 6239 A HOH 6001 3 HOH HOH 6001 B HOH 6002 3 HOH HOH 6002 B HOH 6003 3 HOH HOH 6003 B HOH 6004 3 HOH HOH 6004 B HOH 6005 3 HOH HOH 6005 B HOH 6010 3 HOH HOH 6010 B HOH 6012 3 HOH HOH 6012 B HOH 6014 3 HOH HOH 6014 B HOH 6017 3 HOH HOH 6017 B HOH 6018 3 HOH HOH 6018 B HOH 6021 3 HOH HOH 6021 B HOH 6022 3 HOH HOH 6022 B HOH 6023 3 HOH HOH 6023 B HOH 6024 3 HOH HOH 6024 B HOH 6026 3 HOH HOH 6026 B HOH 6027 3 HOH HOH 6027 B HOH 6028 3 HOH HOH 6028 B HOH 6030 3 HOH HOH 6030 B HOH 6036 3 HOH HOH 6036 B HOH 6037 3 HOH HOH 6037 B HOH 6038 3 HOH HOH 6038 B HOH 6040 3 HOH HOH 6040 B HOH 6044 3 HOH HOH 6044 B HOH 6046 3 HOH HOH 6046 B HOH 6048 3 HOH HOH 6048 B HOH 6049 3 HOH HOH 6049 B HOH 6056 3 HOH HOH 6056 B HOH 6058 3 HOH HOH 6058 B HOH 6060 3 HOH HOH 6060 B HOH 6061 3 HOH HOH 6061 B HOH 6063 3 HOH HOH 6063 B HOH 6064 3 HOH HOH 6064 B HOH 6067 3 HOH HOH 6067 B HOH 6068 3 HOH HOH 6068 B HOH 6071 3 HOH HOH 6071 B HOH 6072 3 HOH HOH 6072 B HOH 6073 3 HOH HOH 6073 B HOH 6075 3 HOH HOH 6075 B HOH 6076 3 HOH HOH 6076 B HOH 6078 3 HOH HOH 6078 B HOH 6081 3 HOH HOH 6081 B HOH 6084 3 HOH HOH 6084 B HOH 6088 3 HOH HOH 6088 B HOH 6089 3 HOH HOH 6089 B HOH 6090 3 HOH HOH 6090 B HOH 6091 3 HOH HOH 6091 B HOH 6092 3 HOH HOH 6092 B HOH 6093 3 HOH HOH 6093 B HOH 6098 3 HOH HOH 6098 B HOH 6101 3 HOH HOH 6101 B HOH 6102 3 HOH HOH 6102 B HOH 6103 3 HOH HOH 6103 B HOH 6104 3 HOH HOH 6104 B HOH 6105 3 HOH HOH 6105 B HOH 6106 3 HOH HOH 6106 B HOH 6107 3 HOH HOH 6107 B HOH 6108 3 HOH HOH 6108 B HOH 6109 3 HOH HOH 6109 B HOH 6111 3 HOH HOH 6111 B HOH 6112 3 HOH HOH 6112 B HOH 6113 3 HOH HOH 6113 B HOH 6114 3 HOH HOH 6114 B HOH 6115 3 HOH HOH 6115 B HOH 6123 3 HOH HOH 6123 B HOH 6124 3 HOH HOH 6124 B HOH 6128 3 HOH HOH 6128 B HOH 6131 3 HOH HOH 6131 B HOH 6132 3 HOH HOH 6132 B HOH 6135 3 HOH HOH 6135 B HOH 6137 3 HOH HOH 6137 B HOH 6138 3 HOH HOH 6138 B HOH 6141 3 HOH HOH 6141 B HOH 6143 3 HOH HOH 6143 B HOH 6144 3 HOH HOH 6144 B HOH 6146 3 HOH HOH 6146 B HOH 6147 3 HOH HOH 6147 B HOH 6149 3 HOH HOH 6149 B HOH 6153 3 HOH HOH 6153 B HOH 6158 3 HOH HOH 6158 B HOH 6159 3 HOH HOH 6159 B HOH 6162 3 HOH HOH 6162 B HOH 6164 3 HOH HOH 6164 B HOH 6166 3 HOH HOH 6166 B HOH 6170 3 HOH HOH 6170 B HOH 6172 3 HOH HOH 6172 B HOH 6173 3 HOH HOH 6173 B HOH 6174 3 HOH HOH 6174 B HOH 6176 3 HOH HOH 6176 B HOH 6179 3 HOH HOH 6179 B HOH 6180 3 HOH HOH 6180 B HOH 6182 3 HOH HOH 6182 B HOH 6183 3 HOH HOH 6183 B HOH 6184 3 HOH HOH 6184 B HOH 6185 3 HOH HOH 6185 B HOH 6186 3 HOH HOH 6186 B HOH 6187 3 HOH HOH 6187 B HOH 6191 3 HOH HOH 6191 B HOH 6192 3 HOH HOH 6192 B HOH 6193 3 HOH HOH 6193 B HOH 6194 3 HOH HOH 6194 B HOH 6198 3 HOH HOH 6198 B HOH 6199 3 HOH HOH 6199 B HOH 6200 3 HOH HOH 6200 B HOH 6201 3 HOH HOH 6201 B HOH 6202 3 HOH HOH 6202 B HOH 6203 3 HOH HOH 6203 B HOH 6204 3 HOH HOH 6204 B HOH 6205 3 HOH HOH 6205 B HOH 6207 3 HOH HOH 6207 B HOH 6209 3 HOH HOH 6209 B HOH 6213 3 HOH HOH 6213 B HOH 6217 3 HOH HOH 6217 B HOH 6218 3 HOH HOH 6218 B HOH 6222 3 HOH HOH 6222 B HOH 6226 3 HOH HOH 6226 B HOH 6230 3 HOH HOH 6230 B HOH 6231 3 HOH HOH 6231 B HOH 6232 3 HOH HOH 6232 B HOH 6235 3 HOH HOH 6235 B HOH 6237 3 HOH HOH 6237 B HOH 6238 3 HOH HOH 6238 B n 1 13 A GLU 14 n 2 GLU 14 A ALA 15 n 3 ALA 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 SER 45 n 33 SER 45 A ALA 46 n 34 ALA 46 A VAL 47 n 35 VAL 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 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 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 PRO 135 n 123 PRO 135 B n 124 136 B n 125 137 B n 126 138 B n 127 139 B 0.1194 0.1279 0.04 0.1777 0.189 1942 2201 5.0 5.0 38979 author_defined_assembly 4 tetrameric 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 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 3_655 -x+1,y,-z crystal symmetry operation 46.3050000000 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 GLU 44 A O GLU 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 THR 71 A N THR 59 A O TYR 96 A O TYR 84 A N VAL 97 A N VAL 85 A O ARG 103 A O ARG 91 A N ILE 104 A N ILE 92 A O PHE 130 A O PHE 118 A O VAL 133 A O VAL 121 A N THR 20 A N THR 8 B N TRP 21 B N TRP 9 B O PHE 29 B O PHE 17 B N ILE 30 B N ILE 18 B O THR 42 B O THR 30 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 THR 71 B N THR 59 B O TYR 96 B O TYR 84 B N VAL 97 B N VAL 85 B O ARG 103 B O ARG 91 B N ILE 104 B N ILE 92 B O PHE 130 B O PHE 118 B O THR 131 B O THR 119 B N TYR 22 B N TYR 10 1 A HOH 6126 E HOH 1 B HOH 6078 F HOH 1 A ALA 13 A ALA 1 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 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 A TYR 22 0.072 SIDE CHAIN 1 8.49 1.40 123.60 132.09 A A A CD NE CZ ARG ARG ARG 84 84 84 N 1 -3.94 0.50 120.30 116.36 A A A NE CZ NH1 ARG ARG ARG 84 84 84 N 1 -10.49 1.60 122.70 112.21 A A A O C N GLY GLY THR 113 113 114 Y 1 22.69 2.50 121.70 144.39 A A A C N CA GLY THR THR 113 114 114 Y 1 -6.57 0.90 118.30 111.73 B B B CB CG OD1 ASP ASP ASP 36 36 36 N 1 10.87 1.40 123.60 134.47 B B B CD NE CZ ARG ARG ARG 53 53 53 N 1 -7.60 1.10 119.40 111.80 B B B NH1 CZ NH2 ARG ARG ARG 53 53 53 N 1 5.65 0.50 120.30 125.95 B B B NE CZ NH1 ARG ARG ARG 53 53 53 N 1 -9.28 1.40 112.40 103.12 B B B CA CB CG2 THR THR THR 57 57 57 B N 1 -5.71 0.50 120.30 114.59 B B B NE CZ NH1 ARG ARG ARG 84 84 84 N 1 14.57 2.20 113.40 127.97 B B B CA CB CG GLU GLU GLU 101 101 101 N 1 4.56 0.50 120.30 124.86 B B B NE CZ NH2 ARG ARG ARG 103 103 103 N 1 A SER 52 A 72.91 -159.04 1 A SER 52 B 63.10 -165.34 1 A GLU 101 -112.41 69.83 1 B SER 52 62.80 -160.56 ANISOTROPIC REFINEMENT REDUCED FREE R (NO CUTOFF) BY ? 0.189 0.1279 0.1279 1.40 10.00 18964 2201 44020 44020 23730 5.0 98.7 RANDOM 1 FREE R 0.0 ISOMORPHOUS 1DF8 ENGH AND HUBER 12 1690.00 2069.00 1.40 10.00 239 2115 32 0 1844 0.012 0.032 0.000 0.0322 0.059 0.072 0.040 0.003 0.051 0.091 1.40 50.0 1MK5 44171 44171 -3.0 0.043 1 30.5 8.7 98.8 0.2 1.40 1.45 4.5 93.4 data reduction DENZO data scaling SCALEPACK refinement SHELXL-97 Wildtype Core-Streptavidin with Biotin at 1.4A. 1 N N 1 N N 2 N N 2 N N 3 N N 3 N N A THR 115 A THR 103 HELX_P A LYS 121 A LYS 109 5 1 7 B THR 115 B THR 103 HELX_P B LYS 121 B LYS 109 5 2 7 Biotin-binding protein homodimer, biotin-binding protein SAV_STRAV UNP 1 37 P22629 AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS 37 163 1MK5 13 139 P22629 A 1 1 127 37 163 1MK5 13 139 P22629 B 1 1 127 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 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 GLU 44 A GLU 32 A TYR 54 A TYR 42 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 VAL 133 A VAL 121 A GLY 19 A GLY 7 A ASN 23 A ASN 11 B GLY 19 B GLY 7 B ASN 23 B ASN 11 B THR 28 B THR 16 B ALA 33 B ALA 21 B ALA 38 B ALA 26 B GLU 44 B GLU 32 B TYR 54 B TYR 42 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 ASN 23 B ASN 11 BINDING SITE FOR RESIDUE BTN A 5100 A BTN 5100 Software 15 BINDING SITE FOR RESIDUE BTN B 5200 B BTN 5200 Software 15 A ASN 23 A ASN 11 15 1_555 A LEU 25 A LEU 13 15 1_555 A SER 27 A SER 15 15 1_555 A TYR 43 A TYR 31 15 1_555 A SER 45 A SER 33 15 1_555 A VAL 47 A VAL 35 15 1_555 A GLY 48 A GLY 36 15 1_555 A ASN 49 A ASN 37 15 1_555 A TRP 79 A TRP 67 15 1_555 A SER 88 A SER 76 15 1_555 A THR 90 A THR 78 15 1_555 A TRP 108 A TRP 96 15 1_555 A ASP 128 A ASP 116 15 1_555 A HOH 6154 E HOH 15 1_555 B TRP 120 B TRP 108 15 3_655 A TRP 120 A TRP 108 15 3_655 B ASN 23 B ASN 11 15 1_555 B LEU 25 B LEU 13 15 1_555 B SER 27 B SER 15 15 1_555 B TYR 43 B TYR 31 15 1_555 B SER 45 B SER 33 15 1_555 B VAL 47 B VAL 35 15 1_555 B ASN 49 B ASN 37 15 1_555 B TRP 79 B TRP 67 15 1_555 B SER 88 B SER 76 15 1_555 B THR 90 B THR 78 15 1_555 B TRP 108 B TRP 96 15 1_555 B LEU 110 B LEU 98 15 1_555 B ASP 128 B ASP 116 15 1_555 B HOH 6205 F HOH 15 1_555 23 I 2 2 2