0.017153 0.000000 0.002686 0.000000 0.011403 0.000000 0.000000 0.000000 0.021628 0.000000 0.000000 0.000000 Le Trong, I. Freitag, S. Klumb, L.A. Chu, V. Stayton, P.S. Stenkamp, R.E. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 98.90 90.00 58.300 87.700 46.800 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 DK Acta Crystallogr.,Sect.D ABCRE6 0766 0907-4449 59 1567 1573 10.1107/S0907444903014562 12925786 Structural studies of hydrogen bonds in the high-affinity streptavidin-biotin complex: mutations of amino acids interacting with the ureido oxygen of biotin. 2003 10.2210/pdb1n7y/pdb pdb_00001n7y 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 293 1 AREA DETECTOR 1996-07-09 XENTRONICS graphite SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU 13296.347 Streptavidin core streptavidin, residues 13-139 N23E 4 man polymer 18.015 water 175 nat water no no AEAGITGTWYEQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS AEAGITGTWYEQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW 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 Escherichia coli sample core streptavidin 1895 Streptomyces avidinii 511693 Escherichia coli BL21 BL21 plasmid pET21a 1 2.06 44.65 VAPOR DIFFUSION, SITTING DROP 4.5 MPD, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K 293 software database_2 struct_ref_seq_dif chem_comp_atom chem_comp_bond repository Initial release Version format compliance Version format compliance Refinement description Database references Data collection 1 0 2003-09-02 1 1 2008-04-28 1 2 2011-07-13 1 3 2017-10-11 1 4 2021-10-27 1 5 2024-02-14 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_ref_seq_dif.details STREPTAVIDIN MUTANT N23A WITH BIOTIN AT 1.89A RESOLUTION STREPTAVIDIN MUTANT N23A AT 2.2A RESOLUTION RCSB Y RCSB 2002-11-18 REL REL HOH water HOH 6004 2 HOH HOH 6004 A HOH 6008 2 HOH HOH 6008 A HOH 6010 2 HOH HOH 6010 A HOH 6014 2 HOH HOH 6014 A HOH 6017 2 HOH HOH 6017 A HOH 6026 2 HOH HOH 6026 A HOH 6034 2 HOH HOH 6034 A HOH 6037 2 HOH HOH 6037 A HOH 6043 2 HOH HOH 6043 A HOH 6044 2 HOH HOH 6044 A HOH 6054 2 HOH HOH 6054 A HOH 6056 2 HOH HOH 6056 A HOH 6057 2 HOH HOH 6057 A HOH 6060 2 HOH HOH 6060 A HOH 6066 2 HOH HOH 6066 A HOH 6072 2 HOH HOH 6072 A HOH 6079 2 HOH HOH 6079 A HOH 6082 2 HOH HOH 6082 A HOH 6083 2 HOH HOH 6083 A HOH 6093 2 HOH HOH 6093 A HOH 6096 2 HOH HOH 6096 A HOH 6097 2 HOH HOH 6097 A HOH 6098 2 HOH HOH 6098 A HOH 6099 2 HOH HOH 6099 A HOH 6109 2 HOH HOH 6109 A HOH 6110 2 HOH HOH 6110 A HOH 6115 2 HOH HOH 6115 A HOH 6121 2 HOH HOH 6121 A HOH 6122 2 HOH HOH 6122 A HOH 6127 2 HOH HOH 6127 A HOH 6132 2 HOH HOH 6132 A HOH 6137 2 HOH HOH 6137 A HOH 6145 2 HOH HOH 6145 A HOH 6146 2 HOH HOH 6146 A HOH 6150 2 HOH HOH 6150 A HOH 6155 2 HOH HOH 6155 A HOH 6159 2 HOH HOH 6159 A HOH 6169 2 HOH HOH 6169 A HOH 6172 2 HOH HOH 6172 A HOH 6177 2 HOH HOH 6177 A HOH 6179 2 HOH HOH 6179 A HOH 6183 2 HOH HOH 6183 A HOH 6003 2 HOH HOH 6003 B HOH 6009 2 HOH HOH 6009 B HOH 6012 2 HOH HOH 6012 B HOH 6013 2 HOH HOH 6013 B HOH 6018 2 HOH HOH 6018 B HOH 6021 2 HOH HOH 6021 B HOH 6022 2 HOH HOH 6022 B HOH 6032 2 HOH HOH 6032 B HOH 6038 2 HOH HOH 6038 B HOH 6039 2 HOH HOH 6039 B HOH 6040 2 HOH HOH 6040 B HOH 6046 2 HOH HOH 6046 B HOH 6047 2 HOH HOH 6047 B HOH 6048 2 HOH HOH 6048 B HOH 6052 2 HOH HOH 6052 B HOH 6059 2 HOH HOH 6059 B HOH 6063 2 HOH HOH 6063 B HOH 6065 2 HOH HOH 6065 B HOH 6069 2 HOH HOH 6069 B HOH 6070 2 HOH HOH 6070 B HOH 6080 2 HOH HOH 6080 B HOH 6084 2 HOH HOH 6084 B HOH 6088 2 HOH HOH 6088 B HOH 6089 2 HOH HOH 6089 B HOH 6101 2 HOH HOH 6101 B HOH 6102 2 HOH HOH 6102 B HOH 6105 2 HOH HOH 6105 B HOH 6114 2 HOH HOH 6114 B HOH 6116 2 HOH HOH 6116 B HOH 6126 2 HOH HOH 6126 B HOH 6129 2 HOH HOH 6129 B HOH 6135 2 HOH HOH 6135 B HOH 6141 2 HOH HOH 6141 B HOH 6152 2 HOH HOH 6152 B HOH 6153 2 HOH HOH 6153 B HOH 6157 2 HOH HOH 6157 B HOH 6160 2 HOH HOH 6160 B HOH 6161 2 HOH HOH 6161 B HOH 6164 2 HOH HOH 6164 B HOH 6168 2 HOH HOH 6168 B HOH 6171 2 HOH HOH 6171 B HOH 6180 2 HOH HOH 6180 B HOH 6001 2 HOH HOH 6001 C HOH 6002 2 HOH HOH 6002 C HOH 6006 2 HOH HOH 6006 C HOH 6011 2 HOH HOH 6011 C HOH 6015 2 HOH HOH 6015 C HOH 6016 2 HOH HOH 6016 C HOH 6023 2 HOH HOH 6023 C HOH 6025 2 HOH HOH 6025 C HOH 6029 2 HOH HOH 6029 C HOH 6031 2 HOH HOH 6031 C HOH 6041 2 HOH HOH 6041 C HOH 6042 2 HOH HOH 6042 C HOH 6049 2 HOH HOH 6049 C HOH 6050 2 HOH HOH 6050 C HOH 6051 2 HOH HOH 6051 C HOH 6055 2 HOH HOH 6055 C HOH 6061 2 HOH HOH 6061 C HOH 6062 2 HOH HOH 6062 C HOH 6071 2 HOH HOH 6071 C HOH 6073 2 HOH HOH 6073 C HOH 6075 2 HOH HOH 6075 C HOH 6076 2 HOH HOH 6076 C HOH 6077 2 HOH HOH 6077 C HOH 6078 2 HOH HOH 6078 C HOH 6081 2 HOH HOH 6081 C HOH 6085 2 HOH HOH 6085 C HOH 6090 2 HOH HOH 6090 C HOH 6091 2 HOH HOH 6091 C HOH 6095 2 HOH HOH 6095 C HOH 6100 2 HOH HOH 6100 C HOH 6103 2 HOH HOH 6103 C HOH 6104 2 HOH HOH 6104 C HOH 6106 2 HOH HOH 6106 C HOH 6108 2 HOH HOH 6108 C HOH 6111 2 HOH HOH 6111 C HOH 6112 2 HOH HOH 6112 C HOH 6113 2 HOH HOH 6113 C HOH 6123 2 HOH HOH 6123 C HOH 6124 2 HOH HOH 6124 C HOH 6136 2 HOH HOH 6136 C HOH 6138 2 HOH HOH 6138 C HOH 6142 2 HOH HOH 6142 C HOH 6143 2 HOH HOH 6143 C HOH 6156 2 HOH HOH 6156 C HOH 6166 2 HOH HOH 6166 C HOH 6174 2 HOH HOH 6174 C HOH 6175 2 HOH HOH 6175 C HOH 6181 2 HOH HOH 6181 C HOH 6184 2 HOH HOH 6184 C HOH 6005 2 HOH HOH 6005 D HOH 6007 2 HOH HOH 6007 D HOH 6019 2 HOH HOH 6019 D HOH 6020 2 HOH HOH 6020 D HOH 6024 2 HOH HOH 6024 D HOH 6027 2 HOH HOH 6027 D HOH 6028 2 HOH HOH 6028 D HOH 6030 2 HOH HOH 6030 D HOH 6033 2 HOH HOH 6033 D HOH 6035 2 HOH HOH 6035 D HOH 6036 2 HOH HOH 6036 D HOH 6045 2 HOH HOH 6045 D HOH 6053 2 HOH HOH 6053 D HOH 6058 2 HOH HOH 6058 D HOH 6064 2 HOH HOH 6064 D HOH 6067 2 HOH HOH 6067 D HOH 6068 2 HOH HOH 6068 D HOH 6074 2 HOH HOH 6074 D HOH 6086 2 HOH HOH 6086 D HOH 6087 2 HOH HOH 6087 D HOH 6092 2 HOH HOH 6092 D HOH 6094 2 HOH HOH 6094 D HOH 6107 2 HOH HOH 6107 D HOH 6119 2 HOH HOH 6119 D HOH 6120 2 HOH HOH 6120 D HOH 6125 2 HOH HOH 6125 D HOH 6128 2 HOH HOH 6128 D HOH 6130 2 HOH HOH 6130 D HOH 6131 2 HOH HOH 6131 D HOH 6133 2 HOH HOH 6133 D HOH 6134 2 HOH HOH 6134 D HOH 6147 2 HOH HOH 6147 D HOH 6148 2 HOH HOH 6148 D HOH 6154 2 HOH HOH 6154 D HOH 6158 2 HOH HOH 6158 D HOH 6163 2 HOH HOH 6163 D HOH 6167 2 HOH HOH 6167 D HOH 6170 2 HOH HOH 6170 D HOH 6173 2 HOH HOH 6173 D HOH 6176 2 HOH HOH 6176 D HOH 6178 2 HOH HOH 6178 D HOH 6182 2 HOH HOH 6182 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 GLU 23 n 11 GLU 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 n 36 48 A n 37 49 A n 38 50 A n 39 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 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 GLU 23 n 11 GLU 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 n 33 45 B n 34 46 B n 35 47 B n 36 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 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 GLU 23 n 11 GLU 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 n 34 46 C n 35 47 C n 36 48 C n 37 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 GLU 23 n 11 GLU 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 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 0.1596 0.1859 21747 author_and_software_defined_assembly PISA 4 tetrameric 8480 -50 19660 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 32 A N THR 20 A O THR 40 A O THR 28 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 LEU 73 A N LEU 61 A O GLY 94 A O GLY 82 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 GLU 44 B O GLU 32 B N TYR 43 B N TYR 31 B O TYR 54 B O TYR 42 B N ARG 59 B N ARG 47 B O GLY 74 B O GLY 62 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 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 C N GLY 19 C N GLY 7 C O VAL 31 C O VAL 19 C N THR 32 C N THR 20 C O THR 40 C O THR 28 C N TYR 43 C N TYR 31 C O TYR 54 C O TYR 42 C N ARG 59 C N ARG 47 C O GLY 74 C O GLY 62 C N TRP 75 C N TRP 63 C O TRP 92 C O TRP 80 C N ALA 89 C N ALA 77 C O THR 111 C O THR 99 C N LEU 110 C N LEU 98 C O LEU 124 C O LEU 112 C O THR 131 C O THR 119 C N TYR 22 C N TYR 10 D N GLY 19 D N GLY 7 D O VAL 31 D O VAL 19 D N THR 28 D N THR 16 D O GLU 44 D O GLU 32 D N LEU 39 D N LEU 27 D O GLY 58 D O GLY 46 D N THR 57 D N THR 45 D O THR 76 D O THR 64 D N LEU 73 D N LEU 61 D O GLY 94 D O GLY 82 D N VAL 97 D N VAL 85 D O ARG 103 D O ARG 91 D N THR 106 D N THR 94 D O ASP 128 D O ASP 116 D O THR 131 D O THR 119 D N TYR 22 D N TYR 10 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 GLY 48 A GLY 36 1 Y 1 A ASN 49 A ASN 37 1 Y 1 A ALA 50 A ALA 38 1 Y 1 A GLU 51 A GLU 39 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 45 B SER 33 1 Y 1 B ALA 46 B ALA 34 1 Y 1 B VAL 47 B VAL 35 1 Y 1 B GLY 48 B GLY 36 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 ALA 46 C ALA 34 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 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 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 15.09 2.50 121.70 136.79 A A A C N CA GLY THR THR 113 114 114 Y 1 35.36 2.50 121.70 157.06 D D D C N CA GLY THR THR 113 114 114 Y 1 A ASP 67 -72.87 25.25 1 A ASN 81 -142.77 -159.60 1 B ASP 36 -105.21 60.29 1 B ALA 100 -52.22 -84.55 1 C GLU 101 -106.86 59.76 1 D GLN 24 -67.16 5.31 1 D LEU 25 -114.11 -72.37 0.284 0.182 0.1859 0.1859 1.96 10.00 14487 2712 27129 27129 14537 81.8 RANDOM 1 FREE R 0.0 isomorphous ENGH AND HUBER 0 3211.00 3621.00 1.96 10.00 175 3621 0 0 3446 0.006 0.024 0.000 0.0271 0.093 0.095 0.009 0.000 0.091 0.000 1.96 50.0 1N7Y 27382 27382 0 0 0.06 1 80.0 data collection FRAMBO data reduction SAINT data reduction SADABS refinement SHELXL-97 data scaling SAINT data scaling SADABS STREPTAVIDIN MUTANT N23E AT 1.96A 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 THR 115 A THR 103 HELX_P A LYS 121 A LYS 109 5 1 7 B ASN 49 B ASN 37 HELX_P B ARG 53 B ARG 41 5 2 5 B THR 115 B THR 103 HELX_P B LYS 121 B LYS 109 5 3 7 C THR 115 C THR 103 HELX_P C LYS 121 C LYS 109 5 4 7 D THR 115 D THR 103 HELX_P D LYS 121 D LYS 109 5 5 7 BIOTIN-BINDING PROTEIN homotetramer, BIOTIN-BINDING PROTEIN SAV_STRAV UNP 1 37 P22629 AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS 37 163 1N7Y 13 139 P22629 A 1 1 127 37 163 1N7Y 13 139 P22629 B 1 1 127 37 163 1N7Y 13 139 P22629 C 1 1 127 37 163 1N7Y 13 139 P22629 D 1 1 127 1 ASN engineered mutation GLU 23 1N7Y A P22629 UNP 47 11 2 ASN engineered mutation GLU 23 1N7Y B P22629 UNP 47 11 3 ASN engineered mutation GLU 23 1N7Y C P22629 UNP 47 11 4 ASN engineered mutation GLU 23 1N7Y D P22629 UNP 47 11 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 GLU 23 A GLU 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 THR 131 A THR 119 A GLY 19 A GLY 7 A GLU 23 A GLU 11 B GLY 19 B GLY 7 B GLU 23 B GLU 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 ASN 81 B ASN 69 B ARG 84 B ARG 72 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 GLU 23 B GLU 11 C GLY 19 C GLY 7 C GLU 23 C GLU 11 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 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 GLU 23 C GLU 11 D GLY 19 D GLY 7 D GLU 23 D GLU 11 D THR 28 D THR 16 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 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 GLU 23 D GLU 11 4 P 1 21 1