1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Castaneda, C.A. Fushman, D. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 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 C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking 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 N N 145 S C N 146 N C N 147 N O N 148 S C N 149 N C N 150 N C N 151 N C N 152 N O N 153 N H N 154 N H N 155 N H 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 N N 167 S C N 168 N C N 169 N O N 170 N C N 171 N C N 172 N C N 173 N C N 174 N O N 175 N H N 176 N H N 177 N H N 178 N H N 179 N H N 180 N H N 181 N H N 182 N H N 183 N H N 184 N H N 185 N H N 186 N H N 187 N H N 188 N N N 189 S C N 190 N C N 191 N O N 192 N C N 193 N C N 194 N C N 195 N C N 196 N N N 197 N O N 198 N H N 199 N H N 200 N H N 201 N H N 202 N H N 203 N H N 204 N H N 205 N 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 N N 214 S C N 215 N C N 216 N O N 217 N C N 218 N C N 219 N S N 220 N C N 221 N O N 222 N H N 223 N H N 224 N H N 225 N H N 226 N H N 227 N H N 228 N H N 229 N H N 230 N H N 231 N H N 232 N H N 233 N N N 234 S C N 235 N C N 236 N O N 237 N C Y 238 N C Y 239 N C Y 240 N C Y 241 N C Y 242 N C Y 243 N C N 244 N O N 245 N H N 246 N H N 247 N H N 248 N H N 249 N H N 250 N H N 251 N H N 252 N H N 253 N 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 C N 262 N C N 263 N O 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 H N 272 N H N 273 N N N 274 S C N 275 N C N 276 N O N 277 N C N 278 N O N 279 N O 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 R C N 292 N O N 293 N C 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 H N 303 N H N 304 N N N 305 S C N 306 N C N 307 N O N 308 N C Y 309 N C Y 310 N C Y 311 N C Y 312 N C Y 313 N C Y 314 N C N 315 N O N 316 N O N 317 N H N 318 N H N 319 N H N 320 N H N 321 N H N 322 N H N 323 N H N 324 N H N 325 N H N 326 N H N 327 N H N 328 N N N 329 S C N 330 N C N 331 N O N 332 N C N 333 N C N 334 N C N 335 N O 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 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 doub N 144 N sing N 145 N sing 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 doub N 165 N sing N 166 N sing N 167 N sing N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing N 177 N sing N 178 N sing N 179 N sing N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N doub N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing N 194 N sing N 195 N sing N 196 N sing N 197 N sing N 198 N sing N 199 N sing N 200 N 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 doub N 210 N sing N 211 N sing N 212 N sing N 213 N sing N 214 N sing N 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N sing N 221 N sing N 222 N sing N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N doub N 229 N sing N 230 N sing N 231 N sing N 232 N sing Y 233 N doub Y 234 N sing Y 235 N sing N 236 N sing Y 237 N doub N 238 N sing Y 239 N doub N 240 N sing Y 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 sing N 265 N sing N 266 N sing N 267 N sing N 268 N doub 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 doub N 282 N sing N 283 N sing N 284 N sing N 285 N sing N 286 N sing N 287 N sing N 288 N sing N 289 N sing N 290 N sing N 291 N sing N 292 N sing N 293 N sing N 294 N sing N 295 N sing N 296 N sing N 297 N doub N 298 N sing N 299 N sing N 300 N sing N 301 N sing Y 302 N doub Y 303 N sing Y 304 N sing N 305 N sing Y 306 N doub N 307 N sing Y 308 N doub N 309 N sing Y 310 N sing N 311 N sing N 312 N sing N 313 N sing N 314 N sing N 315 N sing N 316 N sing N 317 N sing N 318 N sing N 319 N sing N 320 N sing N 321 N doub 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 sing UK Structure STRUE6 2005 0969-2126 21 1168 1181 10.1016/j.str.2013.04.029 23823328 Unique structural, dynamical, and functional properties of k11-linked polyubiquitin chains. 2013 10.2210/pdb2mbq/pdb pdb_00002mbq 10.13018/BMR19412 8576.831 Ubiquitin UNP residues 1-76 2 man polymer no no MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG 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 human sample UBC 9606 Homo sapiens 469008 Escherichia coli BL21(DE3) pJY2 plasmid pET3a database_2 pdbx_database_status pdbx_nmr_software pdbx_nmr_spectrometer chem_comp_atom chem_comp_bond database_2 repository Initial release Data collection Database references Other Data collection Database references 1 0 2013-09-04 1 1 2023-06-14 1 2 2024-05-15 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.status_code_nmr_data _pdbx_nmr_software.name _pdbx_nmr_spectrometer.model _database_2.pdbx_DOI K11-linked Ub2 average solution structure in the absence of NaCl BMRB Y RCSB 2013-08-03 REL REL REL REL DISTAL UBIQUITIN (CHAIN A) AND PROXIMAL UBIQUITIN (CHAIN B) ARE CONNECTED VIA A COVALENT LINKAGE BETWEEN C GLY 76 OF CHAIN A AND NZ LYS 11 OF CHAIN B. THIS LINKAGE HAS NOT BEEN MODELED IN THIS STRUCTURE. target function 1 1 2D 1H-15N HSQC 2D 1H-15N IPAP HSQC 75 uM [U-99% 15N] 20 mM 150 mM 150 6.8 ambient 296 K Ub/Ub orientation determined from RDCs via alignment tensors, and Z-distance refined using site-directed spin labeling distance constraints (MTSL on distal position 36) from 0 mM NaCl structure. No MTSL data was collected at 150 mM NaCl. in-house RDC (orientation) and MTSL (distance) 1 closest to the average 75 uM [U-99% 15N] ubiquitin, 20 mM sodium phosphate, 150 mM sodium chloride, 93% H2O/7% D2O 93% H2O/7% D2O Bruker Biospin collection TopSpin 2.1 Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax processing NMRPipe Goddard chemical shift assignment Sparky refinement in-house 600 Bruker AVANCE Bruker Avance MET 1 n 1 MET 1 A GLN 2 n 2 GLN 2 A ILE 3 n 3 ILE 3 A PHE 4 n 4 PHE 4 A VAL 5 n 5 VAL 5 A LYS 6 n 6 LYS 6 A THR 7 n 7 THR 7 A LEU 8 n 8 LEU 8 A THR 9 n 9 THR 9 A GLY 10 n 10 GLY 10 A LYS 11 n 11 LYS 11 A THR 12 n 12 THR 12 A ILE 13 n 13 ILE 13 A THR 14 n 14 THR 14 A LEU 15 n 15 LEU 15 A GLU 16 n 16 GLU 16 A VAL 17 n 17 VAL 17 A GLU 18 n 18 GLU 18 A PRO 19 n 19 PRO 19 A SER 20 n 20 SER 20 A ASP 21 n 21 ASP 21 A THR 22 n 22 THR 22 A ILE 23 n 23 ILE 23 A GLU 24 n 24 GLU 24 A ASN 25 n 25 ASN 25 A VAL 26 n 26 VAL 26 A LYS 27 n 27 LYS 27 A ALA 28 n 28 ALA 28 A LYS 29 n 29 LYS 29 A ILE 30 n 30 ILE 30 A GLN 31 n 31 GLN 31 A ASP 32 n 32 ASP 32 A LYS 33 n 33 LYS 33 A GLU 34 n 34 GLU 34 A GLY 35 n 35 GLY 35 A ILE 36 n 36 ILE 36 A PRO 37 n 37 PRO 37 A PRO 38 n 38 PRO 38 A ASP 39 n 39 ASP 39 A GLN 40 n 40 GLN 40 A GLN 41 n 41 GLN 41 A ARG 42 n 42 ARG 42 A LEU 43 n 43 LEU 43 A ILE 44 n 44 ILE 44 A PHE 45 n 45 PHE 45 A ALA 46 n 46 ALA 46 A GLY 47 n 47 GLY 47 A LYS 48 n 48 LYS 48 A GLN 49 n 49 GLN 49 A LEU 50 n 50 LEU 50 A GLU 51 n 51 GLU 51 A ASP 52 n 52 ASP 52 A GLY 53 n 53 GLY 53 A ARG 54 n 54 ARG 54 A THR 55 n 55 THR 55 A LEU 56 n 56 LEU 56 A SER 57 n 57 SER 57 A ASP 58 n 58 ASP 58 A TYR 59 n 59 TYR 59 A ASN 60 n 60 ASN 60 A ILE 61 n 61 ILE 61 A GLN 62 n 62 GLN 62 A LYS 63 n 63 LYS 63 A GLU 64 n 64 GLU 64 A SER 65 n 65 SER 65 A THR 66 n 66 THR 66 A LEU 67 n 67 LEU 67 A HIS 68 n 68 HIS 68 A LEU 69 n 69 LEU 69 A VAL 70 n 70 VAL 70 A LEU 71 n 71 LEU 71 A ARG 72 n 72 ARG 72 A n 73 73 A n 74 74 A n 75 75 A n 76 76 A MET 1 n 1 MET 1 B GLN 2 n 2 GLN 2 B ILE 3 n 3 ILE 3 B PHE 4 n 4 PHE 4 B VAL 5 n 5 VAL 5 B LYS 6 n 6 LYS 6 B THR 7 n 7 THR 7 B LEU 8 n 8 LEU 8 B THR 9 n 9 THR 9 B GLY 10 n 10 GLY 10 B LYS 11 n 11 LYS 11 B THR 12 n 12 THR 12 B ILE 13 n 13 ILE 13 B THR 14 n 14 THR 14 B LEU 15 n 15 LEU 15 B GLU 16 n 16 GLU 16 B VAL 17 n 17 VAL 17 B GLU 18 n 18 GLU 18 B PRO 19 n 19 PRO 19 B SER 20 n 20 SER 20 B ASP 21 n 21 ASP 21 B THR 22 n 22 THR 22 B ILE 23 n 23 ILE 23 B GLU 24 n 24 GLU 24 B ASN 25 n 25 ASN 25 B VAL 26 n 26 VAL 26 B LYS 27 n 27 LYS 27 B ALA 28 n 28 ALA 28 B LYS 29 n 29 LYS 29 B ILE 30 n 30 ILE 30 B GLN 31 n 31 GLN 31 B ASP 32 n 32 ASP 32 B LYS 33 n 33 LYS 33 B GLU 34 n 34 GLU 34 B GLY 35 n 35 GLY 35 B ILE 36 n 36 ILE 36 B PRO 37 n 37 PRO 37 B PRO 38 n 38 PRO 38 B ASP 39 n 39 ASP 39 B GLN 40 n 40 GLN 40 B GLN 41 n 41 GLN 41 B ARG 42 n 42 ARG 42 B LEU 43 n 43 LEU 43 B ILE 44 n 44 ILE 44 B PHE 45 n 45 PHE 45 B ALA 46 n 46 ALA 46 B GLY 47 n 47 GLY 47 B LYS 48 n 48 LYS 48 B GLN 49 n 49 GLN 49 B LEU 50 n 50 LEU 50 B GLU 51 n 51 GLU 51 B ASP 52 n 52 ASP 52 B GLY 53 n 53 GLY 53 B ARG 54 n 54 ARG 54 B THR 55 n 55 THR 55 B LEU 56 n 56 LEU 56 B SER 57 n 57 SER 57 B ASP 58 n 58 ASP 58 B TYR 59 n 59 TYR 59 B ASN 60 n 60 ASN 60 B ILE 61 n 61 ILE 61 B GLN 62 n 62 GLN 62 B LYS 63 n 63 LYS 63 B GLU 64 n 64 GLU 64 B SER 65 n 65 SER 65 B THR 66 n 66 THR 66 B LEU 67 n 67 LEU 67 B HIS 68 n 68 HIS 68 B LEU 69 n 69 LEU 69 B VAL 70 n 70 VAL 70 B LEU 71 n 71 LEU 71 B ARG 72 n 72 ARG 72 B n 73 73 B n 74 74 B n 75 75 B n 76 76 B author_defined_assembly 2 dimeric 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 ILE 13 A O ILE 13 A N VAL 5 A N VAL 5 A N PHE 4 A N PHE 4 A O LEU 67 A O LEU 67 A O HIS 68 A O HIS 68 A N ILE 44 A N ILE 44 A N PHE 45 A N PHE 45 A O LYS 48 A O LYS 48 B O ILE 13 B O ILE 13 B N VAL 5 B N VAL 5 B N PHE 4 B N PHE 4 B O LEU 67 B O LEU 67 B O HIS 68 B O HIS 68 B N ILE 44 B N ILE 44 B N PHE 45 B N PHE 45 B O LYS 48 B O LYS 48 1 A LEU 73 A LEU 73 1 Y 1 A ARG 74 A ARG 74 1 Y 1 A GLY 75 A GLY 75 1 Y 1 A GLY 76 A GLY 76 1 Y 1 B LEU 73 B LEU 73 1 Y 1 B ARG 74 B ARG 74 1 Y 1 B GLY 75 B GLY 75 1 Y 1 B GLY 76 B GLY 76 1 Y 1 A B HE OE1 ARG GLU 72 34 1.15 1 A A H3 O MET VAL 1 17 1.51 1 B B H3 O MET VAL 1 17 1.51 1 A B NE OE1 ARG GLU 72 34 1.98 1 A ARG 54 0.147 SIDE CHAIN 1 A ARG 72 0.246 SIDE CHAIN 1 B ARG 54 0.148 SIDE CHAIN 1 B ARG 72 0.246 SIDE CHAIN closest to the average, model1 K11-linked Diubiquitin average solution structure at pH 6.8, 150 mM NaCl 1 N N 1 N N A THR 22 A THR 22 HELX_P A GLY 35 A GLY 35 1 1 14 A PRO 37 A PRO 37 HELX_P A ASP 39 A ASP 39 5 2 3 A LEU 56 A LEU 56 HELX_P A ASN 60 A ASN 60 5 3 5 B THR 22 B THR 22 HELX_P B GLY 35 B GLY 35 1 4 14 B PRO 37 B PRO 37 HELX_P B ASP 39 B ASP 39 5 5 3 B LEU 56 B LEU 56 HELX_P B ASN 60 B ASN 60 5 6 5 SIGNALING PROTEIN diubiquitin, K11, SIGNALING PROTEIN UBC_HUMAN UNP 1 1 P0CG48 MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG 1 76 2MBQ 1 76 P0CG48 A 1 1 76 1 76 2MBQ 1 76 P0CG48 B 1 1 76 5 5 anti-parallel parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel A THR 12 A THR 12 A GLU 16 A GLU 16 A GLN 2 A GLN 2 A LYS 6 A LYS 6 A THR 66 A THR 66 A LEU 71 A LEU 71 A GLN 41 A GLN 41 A PHE 45 A PHE 45 A LYS 48 A LYS 48 A GLN 49 A GLN 49 B THR 12 B THR 12 B GLU 16 B GLU 16 B GLN 2 B GLN 2 B LYS 6 B LYS 6 B THR 66 B THR 66 B LEU 71 B LEU 71 B GLN 41 B GLN 41 B PHE 45 B PHE 45 B LYS 48 B LYS 48 B GLN 49 B GLN 49 1 P 1