0.033784 0.000000 0.005109 0.000000 0.008540 0.000000 0.000000 0.000000 0.020350 0.00000 0.00000 0.00000 Schildbach, J.F. Waldburger, C.D. Sauer, R.T. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 12 90.00 98.60 90.00 29.600 117.100 49.700 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 H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking 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 O 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 S C N 131 N C N 132 N C N 133 N C N 134 N O 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 H N 145 N H N 146 N H N 147 N H N 148 N N N 149 S C N 150 N C N 151 N O N 152 N C N 153 N C N 154 N C N 155 N C N 156 N O 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 H N 170 N N N 171 S C N 172 N C N 173 N O N 174 N C N 175 N C N 176 N C N 177 N C N 178 N N N 179 N O 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 H N 192 N H N 193 N H N 194 N H N 195 N N N 196 S C N 197 N C N 198 N O N 199 N C N 200 N C N 201 N S N 202 N C N 203 N O 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 N N 216 S C N 217 N C N 218 N O N 219 N C Y 220 N C Y 221 N C Y 222 N C Y 223 N C Y 224 N C Y 225 N C N 226 N O N 227 N H N 228 N H N 229 N H N 230 N H N 231 N H N 232 N H N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N N N 239 S C N 240 N C N 241 N O N 242 N C N 243 N C N 244 N C N 245 N O 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 N N 256 S C N 257 N C N 258 N O N 259 N C N 260 N O N 261 N O 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 N N 270 S C N 271 N C N 272 N O N 273 N C Y 274 N C Y 275 N C Y 276 N C Y 277 N N Y 278 N C Y 279 N C Y 280 N C Y 281 N C Y 282 N C N 283 N O N 284 N H N 285 N H N 286 N H N 287 N H N 288 N H N 289 N H N 290 N H N 291 N H N 292 N H N 293 N H N 294 N H N 295 N H N 296 N N N 297 S C N 298 N C N 299 N O N 300 N C Y 301 N C Y 302 N C Y 303 N C Y 304 N C Y 305 N C Y 306 N C N 307 N O N 308 N O N 309 N H 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 H N 320 N N N 321 S C N 322 N C N 323 N O N 324 N C N 325 N C N 326 N C N 327 N O 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 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 sing N 123 N sing N 124 N doub N 125 N sing N 126 N sing N 127 N sing N 128 N sing 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 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 sing N 188 N sing N 189 N sing N 190 N doub 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 Y 214 N doub Y 215 N sing Y 216 N sing N 217 N sing Y 218 N doub N 219 N sing Y 220 N doub N 221 N sing Y 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 doub 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 sing N 245 N sing N 246 N sing N 247 N sing N 248 N sing N 249 N doub N 250 N sing N 251 N sing 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 doub N 263 N sing N 264 N sing N 265 N sing N 266 N sing Y 267 N doub Y 268 N sing Y 269 N sing N 270 N sing Y 271 N doub Y 272 N sing Y 273 N sing N 274 N sing Y 275 N sing Y 276 N doub N 277 N sing Y 278 N doub N 279 N sing Y 280 N sing N 281 N sing 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 doub N 291 N sing N 292 N sing N 293 N sing N 294 N sing Y 295 N doub Y 296 N sing Y 297 N sing N 298 N sing Y 299 N doub N 300 N sing Y 301 N doub N 302 N sing Y 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 sing N 314 N doub 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 sing N 322 N sing N 323 N sing N 324 N sing N 325 N sing US Nat.Struct.Biol. NSBIEW 2024 1072-8368 2 122 128 10.1038/nsb0295-122 7749916 Are buried salt bridges important for protein stability and conformational specificity? 1995 UK Nature NATUAS 0006 0028-0836 367 754 DNA Recognition by Beta-Sheets in the Arc Repressor-Operator Crystal Structure 1994 10.2210/pdb1myl/pdb pdb_00001myl 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 x-ray 1 1.0 6202.298 ARC REPRESSOR 6 man polymer 18.015 water 35 nat water no no MKGMSKMPQFNLRWPREVLDLVRKVAEENGMSVNSYIYQLVMESFKKEGRIGA MKGMSKMPQFNLRWPREVLDLVRKVAEENGMSVNSYIYQLVMESFKKEGRIGA A,B,C,D,E,F 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 P22-like viruses Escherichia sample MUTATED ARC GENE 10754 Enterobacteria phage P22 562 Escherichia coli PSA300-MYL GENE: MUTATED ARC GENE 2.29 46.24 chem_comp_atom chem_comp_bond database_2 pdbx_database_status struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Data collection Database references Other 1 0 1995-01-26 1 1 2008-03-24 1 2 2011-07-13 1 3 2024-02-14 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site _struct_ref_seq_dif.details Y BNL 1994-10-06 REL HOH water HOH 111 2 HOH HOH 111 A HOH 112 2 HOH HOH 112 A HOH 113 2 HOH HOH 113 A HOH 123 2 HOH HOH 123 A HOH 124 2 HOH HOH 124 A HOH 125 2 HOH HOH 125 A HOH 101 2 HOH HOH 101 B HOH 103 2 HOH HOH 103 B HOH 114 2 HOH HOH 114 B HOH 115 2 HOH HOH 115 B HOH 126 2 HOH HOH 126 B HOH 102 2 HOH HOH 102 C HOH 104 2 HOH HOH 104 C HOH 119 2 HOH HOH 119 C HOH 133 2 HOH HOH 133 C HOH 108 2 HOH HOH 108 D HOH 116 2 HOH HOH 116 D HOH 117 2 HOH HOH 117 D HOH 127 2 HOH HOH 127 D HOH 130 2 HOH HOH 130 D HOH 131 2 HOH HOH 131 D HOH 132 2 HOH HOH 132 D HOH 107 2 HOH HOH 107 E HOH 109 2 HOH HOH 109 E HOH 118 2 HOH HOH 118 E HOH 120 2 HOH HOH 120 E HOH 121 2 HOH HOH 121 E HOH 122 2 HOH HOH 122 E HOH 128 2 HOH HOH 128 E HOH 129 2 HOH HOH 129 E HOH 134 2 HOH HOH 134 E HOH 135 2 HOH HOH 135 E HOH 105 2 HOH HOH 105 F HOH 106 2 HOH HOH 106 F HOH 110 2 HOH HOH 110 F n 1 1 A n 2 2 A n 3 3 A n 4 4 A n 5 5 A LYS 6 n 6 LYS 6 A MET 7 n 7 MET 7 A PRO 8 n 8 PRO 8 A GLN 9 n 9 GLN 9 A PHE 10 n 10 PHE 10 A ASN 11 n 11 ASN 11 A LEU 12 n 12 LEU 12 A ARG 13 n 13 ARG 13 A TRP 14 n 14 TRP 14 A PRO 15 n 15 PRO 15 A ARG 16 n 16 ARG 16 A GLU 17 n 17 GLU 17 A VAL 18 n 18 VAL 18 A LEU 19 n 19 LEU 19 A ASP 20 n 20 ASP 20 A LEU 21 n 21 LEU 21 A VAL 22 n 22 VAL 22 A ARG 23 n 23 ARG 23 A LYS 24 n 24 LYS 24 A VAL 25 n 25 VAL 25 A ALA 26 n 26 ALA 26 A GLU 27 n 27 GLU 27 A GLU 28 n 28 GLU 28 A ASN 29 n 29 ASN 29 A GLY 30 n 30 GLY 30 A MET 31 n 31 MET 31 A SER 32 n 32 SER 32 A VAL 33 n 33 VAL 33 A ASN 34 n 34 ASN 34 A SER 35 n 35 SER 35 A TYR 36 n 36 TYR 36 A ILE 37 n 37 ILE 37 A TYR 38 n 38 TYR 38 A GLN 39 n 39 GLN 39 A LEU 40 n 40 LEU 40 A VAL 41 n 41 VAL 41 A MET 42 n 42 MET 42 A GLU 43 n 43 GLU 43 A SER 44 n 44 SER 44 A PHE 45 n 45 PHE 45 A LYS 46 n 46 LYS 46 A LYS 47 n 47 LYS 47 A GLU 48 n 48 GLU 48 A GLY 49 n 49 GLY 49 A ARG 50 n 50 ARG 50 A n 51 51 A n 52 52 A n 53 53 A n 1 1 B n 2 2 B n 3 3 B n 4 4 B n 5 5 B n 6 6 B MET 7 n 7 MET 7 B PRO 8 n 8 PRO 8 B GLN 9 n 9 GLN 9 B PHE 10 n 10 PHE 10 B ASN 11 n 11 ASN 11 B LEU 12 n 12 LEU 12 B ARG 13 n 13 ARG 13 B TRP 14 n 14 TRP 14 B PRO 15 n 15 PRO 15 B ARG 16 n 16 ARG 16 B GLU 17 n 17 GLU 17 B VAL 18 n 18 VAL 18 B LEU 19 n 19 LEU 19 B ASP 20 n 20 ASP 20 B LEU 21 n 21 LEU 21 B VAL 22 n 22 VAL 22 B ARG 23 n 23 ARG 23 B LYS 24 n 24 LYS 24 B VAL 25 n 25 VAL 25 B ALA 26 n 26 ALA 26 B GLU 27 n 27 GLU 27 B GLU 28 n 28 GLU 28 B ASN 29 n 29 ASN 29 B GLY 30 n 30 GLY 30 B MET 31 n 31 MET 31 B SER 32 n 32 SER 32 B VAL 33 n 33 VAL 33 B ASN 34 n 34 ASN 34 B SER 35 n 35 SER 35 B TYR 36 n 36 TYR 36 B ILE 37 n 37 ILE 37 B TYR 38 n 38 TYR 38 B GLN 39 n 39 GLN 39 B LEU 40 n 40 LEU 40 B VAL 41 n 41 VAL 41 B MET 42 n 42 MET 42 B GLU 43 n 43 GLU 43 B SER 44 n 44 SER 44 B PHE 45 n 45 PHE 45 B LYS 46 n 46 LYS 46 B n 47 47 B n 48 48 B n 49 49 B n 50 50 B n 51 51 B n 52 52 B n 53 53 B n 1 1 C n 2 2 C n 3 3 C n 4 4 C n 5 5 C n 6 6 C MET 7 n 7 MET 7 C PRO 8 n 8 PRO 8 C GLN 9 n 9 GLN 9 C PHE 10 n 10 PHE 10 C ASN 11 n 11 ASN 11 C LEU 12 n 12 LEU 12 C ARG 13 n 13 ARG 13 C TRP 14 n 14 TRP 14 C PRO 15 n 15 PRO 15 C ARG 16 n 16 ARG 16 C GLU 17 n 17 GLU 17 C VAL 18 n 18 VAL 18 C LEU 19 n 19 LEU 19 C ASP 20 n 20 ASP 20 C LEU 21 n 21 LEU 21 C VAL 22 n 22 VAL 22 C ARG 23 n 23 ARG 23 C LYS 24 n 24 LYS 24 C VAL 25 n 25 VAL 25 C ALA 26 n 26 ALA 26 C GLU 27 n 27 GLU 27 C GLU 28 n 28 GLU 28 C ASN 29 n 29 ASN 29 C GLY 30 n 30 GLY 30 C MET 31 n 31 MET 31 C SER 32 n 32 SER 32 C VAL 33 n 33 VAL 33 C ASN 34 n 34 ASN 34 C SER 35 n 35 SER 35 C TYR 36 n 36 TYR 36 C ILE 37 n 37 ILE 37 C TYR 38 n 38 TYR 38 C GLN 39 n 39 GLN 39 C LEU 40 n 40 LEU 40 C VAL 41 n 41 VAL 41 C MET 42 n 42 MET 42 C GLU 43 n 43 GLU 43 C SER 44 n 44 SER 44 C PHE 45 n 45 PHE 45 C LYS 46 n 46 LYS 46 C LYS 47 n 47 LYS 47 C GLU 48 n 48 GLU 48 C GLY 49 n 49 GLY 49 C ARG 50 n 50 ARG 50 C ILE 51 n 51 ILE 51 C n 52 52 C n 53 53 C n 1 1 D n 2 2 D n 3 3 D n 4 4 D n 5 5 D n 6 6 D MET 7 n 7 MET 7 D PRO 8 n 8 PRO 8 D GLN 9 n 9 GLN 9 D PHE 10 n 10 PHE 10 D ASN 11 n 11 ASN 11 D LEU 12 n 12 LEU 12 D ARG 13 n 13 ARG 13 D TRP 14 n 14 TRP 14 D PRO 15 n 15 PRO 15 D ARG 16 n 16 ARG 16 D GLU 17 n 17 GLU 17 D VAL 18 n 18 VAL 18 D LEU 19 n 19 LEU 19 D ASP 20 n 20 ASP 20 D LEU 21 n 21 LEU 21 D VAL 22 n 22 VAL 22 D ARG 23 n 23 ARG 23 D LYS 24 n 24 LYS 24 D VAL 25 n 25 VAL 25 D ALA 26 n 26 ALA 26 D GLU 27 n 27 GLU 27 D GLU 28 n 28 GLU 28 D ASN 29 n 29 ASN 29 D GLY 30 n 30 GLY 30 D MET 31 n 31 MET 31 D SER 32 n 32 SER 32 D VAL 33 n 33 VAL 33 D ASN 34 n 34 ASN 34 D SER 35 n 35 SER 35 D TYR 36 n 36 TYR 36 D ILE 37 n 37 ILE 37 D TYR 38 n 38 TYR 38 D GLN 39 n 39 GLN 39 D LEU 40 n 40 LEU 40 D VAL 41 n 41 VAL 41 D MET 42 n 42 MET 42 D GLU 43 n 43 GLU 43 D SER 44 n 44 SER 44 D PHE 45 n 45 PHE 45 D LYS 46 n 46 LYS 46 D LYS 47 n 47 LYS 47 D GLU 48 n 48 GLU 48 D GLY 49 n 49 GLY 49 D ARG 50 n 50 ARG 50 D ILE 51 n 51 ILE 51 D n 52 52 D n 53 53 D n 1 1 E n 2 2 E n 3 3 E n 4 4 E n 5 5 E n 6 6 E MET 7 n 7 MET 7 E PRO 8 n 8 PRO 8 E GLN 9 n 9 GLN 9 E PHE 10 n 10 PHE 10 E ASN 11 n 11 ASN 11 E LEU 12 n 12 LEU 12 E ARG 13 n 13 ARG 13 E TRP 14 n 14 TRP 14 E PRO 15 n 15 PRO 15 E ARG 16 n 16 ARG 16 E GLU 17 n 17 GLU 17 E VAL 18 n 18 VAL 18 E LEU 19 n 19 LEU 19 E ASP 20 n 20 ASP 20 E LEU 21 n 21 LEU 21 E VAL 22 n 22 VAL 22 E ARG 23 n 23 ARG 23 E LYS 24 n 24 LYS 24 E VAL 25 n 25 VAL 25 E ALA 26 n 26 ALA 26 E GLU 27 n 27 GLU 27 E GLU 28 n 28 GLU 28 E ASN 29 n 29 ASN 29 E GLY 30 n 30 GLY 30 E MET 31 n 31 MET 31 E SER 32 n 32 SER 32 E VAL 33 n 33 VAL 33 E ASN 34 n 34 ASN 34 E SER 35 n 35 SER 35 E TYR 36 n 36 TYR 36 E ILE 37 n 37 ILE 37 E TYR 38 n 38 TYR 38 E GLN 39 n 39 GLN 39 E LEU 40 n 40 LEU 40 E VAL 41 n 41 VAL 41 E MET 42 n 42 MET 42 E GLU 43 n 43 GLU 43 E SER 44 n 44 SER 44 E PHE 45 n 45 PHE 45 E LYS 46 n 46 LYS 46 E LYS 47 n 47 LYS 47 E n 48 48 E n 49 49 E n 50 50 E n 51 51 E n 52 52 E n 53 53 E n 1 1 F n 2 2 F n 3 3 F n 4 4 F n 5 5 F n 6 6 F MET 7 n 7 MET 7 F PRO 8 n 8 PRO 8 F GLN 9 n 9 GLN 9 F PHE 10 n 10 PHE 10 F ASN 11 n 11 ASN 11 F LEU 12 n 12 LEU 12 F ARG 13 n 13 ARG 13 F TRP 14 n 14 TRP 14 F PRO 15 n 15 PRO 15 F ARG 16 n 16 ARG 16 F GLU 17 n 17 GLU 17 F VAL 18 n 18 VAL 18 F LEU 19 n 19 LEU 19 F ASP 20 n 20 ASP 20 F LEU 21 n 21 LEU 21 F VAL 22 n 22 VAL 22 F ARG 23 n 23 ARG 23 F LYS 24 n 24 LYS 24 F VAL 25 n 25 VAL 25 F ALA 26 n 26 ALA 26 F GLU 27 n 27 GLU 27 F GLU 28 n 28 GLU 28 F ASN 29 n 29 ASN 29 F GLY 30 n 30 GLY 30 F MET 31 n 31 MET 31 F SER 32 n 32 SER 32 F VAL 33 n 33 VAL 33 F ASN 34 n 34 ASN 34 F SER 35 n 35 SER 35 F TYR 36 n 36 TYR 36 F ILE 37 n 37 ILE 37 F TYR 38 n 38 TYR 38 F GLN 39 n 39 GLN 39 F LEU 40 n 40 LEU 40 F VAL 41 n 41 VAL 41 F MET 42 n 42 MET 42 F GLU 43 n 43 GLU 43 F SER 44 n 44 SER 44 F PHE 45 n 45 PHE 45 F LYS 46 n 46 LYS 46 F n 47 47 F n 48 48 F n 49 49 F n 50 50 F n 51 51 F n 52 52 F n 53 53 F author_and_software_defined_assembly PISA 2 dimeric author_and_software_defined_assembly PISA 2 dimeric author_and_software_defined_assembly PISA 2 dimeric 2960 -24 5390 2720 -22 5220 3170 -22 5350 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 LEU 12 A N LEU 12 B O PHE 10 B O PHE 10 C N LEU 12 C N LEU 12 D O PHE 10 D O PHE 10 E N LEU 12 E N LEU 12 F O PHE 10 F O PHE 10 1 C CG LYS 46 C CG LYS 46 1 Y 1 C CD LYS 46 C CD LYS 46 1 Y 1 C CE LYS 46 C CE LYS 46 1 Y 1 C NZ LYS 46 C NZ LYS 46 1 Y 1 D CG LYS 47 D CG LYS 47 1 Y 1 D CD LYS 47 D CD LYS 47 1 Y 1 D CE LYS 47 D CE LYS 47 1 Y 1 D NZ LYS 47 D NZ LYS 47 1 Y 1 D CG1 ILE 51 D CG1 ILE 51 1 Y 1 D CG2 ILE 51 D CG2 ILE 51 1 Y 1 D CD1 ILE 51 D CD1 ILE 51 1 Y 1 E CG LYS 47 E CG LYS 47 1 Y 1 E CD LYS 47 E CD LYS 47 1 Y 1 E CE LYS 47 E CE LYS 47 1 Y 1 E NZ LYS 47 E NZ LYS 47 1 Y 1 A MET 1 A MET 1 1 Y 1 A LYS 2 A LYS 2 1 Y 1 A GLY 3 A GLY 3 1 Y 1 A MET 4 A MET 4 1 Y 1 A SER 5 A SER 5 1 Y 1 A ILE 51 A ILE 51 1 Y 1 A GLY 52 A GLY 52 1 Y 1 A ALA 53 A ALA 53 1 Y 1 B MET 1 B MET 1 1 Y 1 B LYS 2 B LYS 2 1 Y 1 B GLY 3 B GLY 3 1 Y 1 B MET 4 B MET 4 1 Y 1 B SER 5 B SER 5 1 Y 1 B LYS 6 B LYS 6 1 Y 1 B LYS 47 B LYS 47 1 Y 1 B GLU 48 B GLU 48 1 Y 1 B GLY 49 B GLY 49 1 Y 1 B ARG 50 B ARG 50 1 Y 1 B ILE 51 B ILE 51 1 Y 1 B GLY 52 B GLY 52 1 Y 1 B ALA 53 B ALA 53 1 Y 1 C MET 1 C MET 1 1 Y 1 C LYS 2 C LYS 2 1 Y 1 C GLY 3 C GLY 3 1 Y 1 C MET 4 C MET 4 1 Y 1 C SER 5 C SER 5 1 Y 1 C LYS 6 C LYS 6 1 Y 1 C GLY 52 C GLY 52 1 Y 1 C ALA 53 C ALA 53 1 Y 1 D MET 1 D MET 1 1 Y 1 D LYS 2 D LYS 2 1 Y 1 D GLY 3 D GLY 3 1 Y 1 D MET 4 D MET 4 1 Y 1 D SER 5 D SER 5 1 Y 1 D LYS 6 D LYS 6 1 Y 1 D GLY 52 D GLY 52 1 Y 1 D ALA 53 D ALA 53 1 Y 1 E MET 1 E MET 1 1 Y 1 E LYS 2 E LYS 2 1 Y 1 E GLY 3 E GLY 3 1 Y 1 E MET 4 E MET 4 1 Y 1 E SER 5 E SER 5 1 Y 1 E LYS 6 E LYS 6 1 Y 1 E GLU 48 E GLU 48 1 Y 1 E GLY 49 E GLY 49 1 Y 1 E ARG 50 E ARG 50 1 Y 1 E ILE 51 E ILE 51 1 Y 1 E GLY 52 E GLY 52 1 Y 1 E ALA 53 E ALA 53 1 Y 1 F MET 1 F MET 1 1 Y 1 F LYS 2 F LYS 2 1 Y 1 F GLY 3 F GLY 3 1 Y 1 F MET 4 F MET 4 1 Y 1 F SER 5 F SER 5 1 Y 1 F LYS 6 F LYS 6 1 Y 1 F LYS 47 F LYS 47 1 Y 1 F GLU 48 F GLU 48 1 Y 1 F GLY 49 F GLY 49 1 Y 1 F ARG 50 F ARG 50 1 Y 1 F ILE 51 F ILE 51 1 Y 1 F GLY 52 F GLY 52 1 Y 1 F ALA 53 F ALA 53 1 Y 33.2 0.2930000 0.2090000 0.2090000 2.4 6.0 11168 90.8 1 0.0 2.4 6.0 35 2175 0 0 2140 0.011 1.55 19.70 1.31 1.13 1.1 3.71 2.0 1MYL 11168 0.0 1 90.8 model building X-PLOR refinement X-PLOR phasing X-PLOR SUBSTITUTING HYDROPHOBIC RESIDUES FOR A BURIED SALT BRIDGE ENHANCES PROTEIN STABILITY BUT DOES NOT REDUCE CONFORMATIONAL SPECIFICITY 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 2 N N 2 N N 2 N N 2 N N 2 N N 2 N N A PRO 15 A PRO 15 HELX_P A ASN 29 A ASN 29 1 1 15 A SER 32 A SER 32 HELX_P A GLU 48 A GLU 48 1 2 17 B PRO 15 B PRO 15 HELX_P B GLU 28 B GLU 28 1 3 14 B SER 32 B SER 32 HELX_P B PHE 45 B PHE 45 1 4 14 C PRO 15 C PRO 15 HELX_P C ASN 29 C ASN 29 1 5 15 C SER 32 C SER 32 HELX_P C GLU 48 C GLU 48 1 6 17 D PRO 15 D PRO 15 HELX_P D ASN 29 D ASN 29 1 7 15 D SER 32 D SER 32 HELX_P D GLU 48 D GLU 48 1 8 17 E PRO 15 E PRO 15 HELX_P E ASN 29 E ASN 29 1 9 15 E SER 32 E SER 32 HELX_P E LYS 47 E LYS 47 1 10 16 F PRO 15 F PRO 15 HELX_P F ASN 29 F ASN 29 1 11 15 F SER 32 F SER 32 HELX_P F PHE 45 F PHE 45 1 12 14 TRANSCRIPTION REGULATION TRANSCRIPTION REGULATION, HYPERSTABLE MUTANT RARC_BPP22 UNP 1 1 P03050 MKGMSKMPQFNLRWPREVLDLVRKVAEENGRSVNSEIYQRVMESFKKEGRIGA 1 53 1MYL 1 53 P03050 A 1 1 53 1 53 1MYL 1 53 P03050 B 1 1 53 1 53 1MYL 1 53 P03050 C 1 1 53 1 53 1MYL 1 53 P03050 D 1 1 53 1 53 1MYL 1 53 P03050 E 1 1 53 1 53 1MYL 1 53 P03050 F 1 1 53 1 ARG conflict MET 31 1MYL A P03050 UNP 31 31 1 GLU conflict TYR 36 1MYL A P03050 UNP 36 36 1 ARG conflict LEU 40 1MYL A P03050 UNP 40 40 2 ARG conflict MET 31 1MYL B P03050 UNP 31 31 2 GLU conflict TYR 36 1MYL B P03050 UNP 36 36 2 ARG conflict LEU 40 1MYL B P03050 UNP 40 40 3 ARG conflict MET 31 1MYL C P03050 UNP 31 31 3 GLU conflict TYR 36 1MYL C P03050 UNP 36 36 3 ARG conflict LEU 40 1MYL C P03050 UNP 40 40 4 ARG conflict MET 31 1MYL D P03050 UNP 31 31 4 GLU conflict TYR 36 1MYL D P03050 UNP 36 36 4 ARG conflict LEU 40 1MYL D P03050 UNP 40 40 5 ARG conflict MET 31 1MYL E P03050 UNP 31 31 5 GLU conflict TYR 36 1MYL E P03050 UNP 36 36 5 ARG conflict LEU 40 1MYL E P03050 UNP 40 40 6 ARG conflict MET 31 1MYL F P03050 UNP 31 31 6 GLU conflict TYR 36 1MYL F P03050 UNP 36 36 6 ARG conflict LEU 40 1MYL F P03050 UNP 40 40 2 2 2 anti-parallel anti-parallel anti-parallel A GLN 9 A GLN 9 A ARG 13 A ARG 13 B GLN 9 B GLN 9 B ARG 13 B ARG 13 C GLN 9 C GLN 9 C ARG 13 C ARG 13 D GLN 9 D GLN 9 D ARG 13 D ARG 13 E GLN 9 E GLN 9 E ARG 13 E ARG 13 F GLN 9 F GLN 9 F ARG 13 F ARG 13 4 P 1 21 1