| Chain sequence(s) |
A: QVQLVQSGGGVVQPGRSLRLSCKASGYTFTRYTMHWVRQAPGKGLEWIGYINPSRGYTNYNQKVKDRFTISRDNSKNTAFLQMDSLRPEDTGVYFCARYYDDHYSLDYWGQGTLVTVSSGGGGSGGGGSGGGGSDIQMTQSPSSLSASVGDRVTITCSASSSVSYMNWYQQTPGKAPKRWIYDTSKLASGVPSRFSGSGSGTDYTLTISSLQPEDAATYYCQQWSSNPFTFGQGTKLQITR
B: QVQLVQSGGGVVQPGRSLRLSCKASGYTFTRYTMHWVRQAPGKGLEWIGYINPSRGYTNYNQKVKDRFTISRDNSKNTAFLQMDSLRPEDTGVYFCARYYDDHYSLDYWGQGTLVTVSSGGGGSGGGGSGGGGSDIQMTQSPSSLSASVGDRVTITCSASSSVSYMNWYQQTPGKAPKRWIYDTSKLASGVPSRFSGSGSGTDYTLTISSLQPEDAATYYCQQWSSNPFTFGQGTKLQITR input PDB |
| Selected Chain(s) | A,B |
| Distance of aggregation | 10 Å |
| FoldX usage | Yes |
| pH calculations | Yes |
| alphaCutter usage | No |
| Dynamic mode | No |
| Automated mutations | No |
| Downloads | Download all the data |
| Simulation log |
[INFO] Logger: Verbosity set to: 2 - [INFO] (00:00:01)
[WARNING] runJob: Working directory already exists (possibly overwriting previous results -ow
to prevent this behavior) (00:00:01)
[INFO] runJob: Starting aggrescan3d job on: input.pdb with all chain(s) selected (00:00:01)
[INFO] runJob: Creating pdb object from: input.pdb (00:00:01)
[INFO] PDB-Info: The input structure is globular. Max score is recommended for pH analysis. (00:00:03)
[INFO] FoldX: Starting FoldX energy minimization (00:00:03)
[INFO] Analysis: Starting Aggrescan4D on folded.pdb (00:07:50)
[INFO] agg3D: Running pKa-ANI on
/STORAGE/DATA/lcbio/aggreskan/745181d0f600769/tmp/folded.pdb (00:07:50)
[INFO] Main: Simulation completed successfully. (00:13:39)
|
The table below lists A4D score for protein residues. Residues with A4D score > 0.0000 are marked by yellow rows.
| residue index | residue name | chain | Aggrescan4D score | mutation |
|---|---|---|---|---|
| 1 | Q | A | -1.5138 | |
| 2 | V | A | -0.9344 | |
| 3 | Q | A | -1.3468 | |
| 4 | L | A | 0.0000 | |
| 5 | V | A | -0.0287 | |
| 6 | Q | A | 0.0000 | |
| 7 | S | A | -0.5735 | |
| 8 | G | A | -0.7617 | |
| 9 | G | A | 0.1217 | |
| 10 | G | A | 0.7659 | |
| 11 | V | A | 1.7692 | |
| 12 | V | A | -0.1995 | |
| 13 | Q | A | -1.4636 | |
| 14 | P | A | -1.9638 | |
| 15 | G | A | -2.1728 | |
| 16 | R | A | -2.7330 | |
| 17 | S | A | -2.0639 | |
| 18 | L | A | -1.1908 | |
| 19 | R | A | -1.8623 | |
| 20 | L | A | 0.0000 | |
| 21 | S | A | -0.7970 | |
| 22 | C | A | 0.0000 | |
| 23 | K | A | -1.6989 | |
| 24 | A | A | 0.0000 | |
| 25 | S | A | -1.2425 | |
| 26 | G | A | -1.0390 | |
| 27 | Y | A | -0.7143 | |
| 28 | T | A | -0.6671 | |
| 29 | F | A | 0.0000 | |
| 30 | T | A | -1.5168 | |
| 31 | R | A | -2.0207 | |
| 32 | Y | A | -1.2662 | |
| 33 | T | A | -0.4900 | |
| 34 | M | A | 0.0000 | |
| 35 | H | A | 0.0000 | |
| 36 | W | A | 0.0000 | |
| 37 | V | A | 0.0000 | |
| 38 | R | A | -0.2852 | |
| 39 | Q | A | -0.6273 | |
| 40 | A | A | -1.0402 | |
| 41 | P | A | -1.1680 | |
| 42 | G | A | -1.4781 | |
| 43 | K | A | -2.3475 | |
| 44 | G | A | -1.5855 | |
| 45 | L | A | 0.0000 | |
| 46 | E | A | -0.8490 | |
| 47 | W | A | 0.0000 | |
| 48 | I | A | 0.0000 | |
| 49 | G | A | 0.0000 | |
| 50 | Y | A | 0.1874 | |
| 51 | I | A | 0.0000 | |
| 52 | N | A | -0.8817 | |
| 53 | P | A | 0.0000 | |
| 54 | S | A | -1.4394 | |
| 55 | R | A | -1.6163 | |
| 56 | G | A | -0.7437 | |
| 57 | Y | A | 0.3892 | |
| 58 | T | A | -0.0261 | |
| 59 | N | A | -0.9350 | |
| 60 | Y | A | -1.5315 | |
| 61 | N | A | 0.0000 | |
| 62 | Q | A | -3.1004 | |
| 63 | K | A | -3.1796 | |
| 64 | V | A | 0.0000 | |
| 65 | K | A | -3.4466 | |
| 66 | D | A | -3.2540 | |
| 67 | R | A | -2.1649 | |
| 68 | F | A | 0.0000 | |
| 69 | T | A | -1.1251 | |
| 70 | I | A | 0.0000 | |
| 71 | S | A | -0.4551 | |
| 72 | R | A | -1.6697 | |
| 73 | D | A | -1.9621 | |
| 74 | N | A | -1.9252 | |
| 75 | S | A | -1.7262 | |
| 76 | K | A | -2.7779 | |
| 77 | N | A | -2.3291 | |
| 78 | T | A | 0.0000 | |
| 79 | A | A | 0.0000 | |
| 80 | F | A | -0.7869 | |
| 81 | L | A | 0.0000 | |
| 82 | Q | A | -1.1386 | |
| 83 | M | A | 0.0000 | |
| 84 | D | A | -2.2198 | |
| 85 | S | A | -2.0141 | |
| 86 | L | A | 0.0000 | |
| 87 | R | A | -2.6446 | |
| 88 | P | A | -2.1950 | |
| 89 | E | A | -2.7458 | |
| 90 | D | A | 0.0000 | |
| 91 | T | A | -0.4508 | |
| 92 | G | A | 0.0000 | |
| 93 | V | A | 0.8071 | |
| 94 | Y | A | 0.0000 | |
| 95 | F | A | 0.0000 | |
| 96 | C | A | 0.0000 | |
| 97 | A | A | 0.0000 | |
| 98 | R | A | 0.0000 | |
| 99 | Y | A | 0.0000 | |
| 100 | Y | A | -1.5948 | |
| 101 | D | A | -2.7503 | |
| 102 | D | A | -2.6438 | |
| 103 | H | A | -1.5316 | |
| 104 | Y | A | -0.7806 | |
| 105 | S | A | 0.0000 | |
| 106 | L | A | 0.0000 | |
| 107 | D | A | -0.1911 | |
| 108 | Y | A | -0.0246 | |
| 109 | W | A | -0.4616 | |
| 110 | G | A | 0.0000 | |
| 111 | Q | A | -1.2514 | |
| 112 | G | A | -0.3866 | |
| 113 | T | A | 0.0000 | |
| 114 | L | A | 1.6678 | |
| 115 | V | A | 0.0000 | |
| 116 | T | A | 0.5179 | |
| 117 | V | A | 0.0000 | |
| 118 | S | A | -0.8865 | |
| 119 | S | A | -1.0850 | |
| 120 | G | A | -1.1216 | |
| 121 | G | A | -1.1623 | |
| 122 | G | A | -1.1864 | |
| 123 | G | A | -1.3117 | |
| 124 | S | A | -1.0627 | |
| 125 | G | A | -1.6114 | |
| 126 | G | A | -1.6320 | |
| 127 | G | A | -1.4820 | |
| 128 | G | A | -1.5689 | |
| 129 | S | A | -1.0470 | |
| 130 | G | A | -1.4163 | |
| 131 | G | A | -1.6784 | |
| 132 | G | A | -1.3886 | |
| 133 | G | A | -1.7119 | |
| 134 | S | A | -1.0954 | |
| 135 | D | A | -1.6839 | |
| 136 | I | A | -1.1415 | |
| 137 | Q | A | -1.6560 | |
| 138 | M | A | 0.0000 | |
| 139 | T | A | -0.7895 | |
| 140 | Q | A | 0.0000 | |
| 141 | S | A | 0.0000 | |
| 142 | P | A | 0.0000 | |
| 143 | S | A | -0.7357 | |
| 144 | S | A | -1.0678 | |
| 145 | L | A | 0.0000 | |
| 146 | S | A | -1.0363 | |
| 147 | A | A | 0.0000 | |
| 148 | S | A | 0.0000 | |
| 149 | V | A | -0.4549 | |
| 150 | G | A | -0.5029 | |
| 151 | D | A | 0.0000 | |
| 152 | R | A | -0.6089 | |
| 153 | V | A | 0.0000 | |
| 154 | T | A | -0.2139 | |
| 155 | I | A | 0.0000 | |
| 156 | T | A | 0.0000 | |
| 157 | C | A | 0.0000 | |
| 158 | S | A | -0.8771 | |
| 159 | A | A | 0.0000 | |
| 160 | S | A | -0.9623 | |
| 161 | S | A | -0.7670 | |
| 162 | S | A | -0.5883 | |
| 163 | V | A | 0.0000 | |
| 164 | S | A | -0.1744 | |
| 165 | Y | A | 0.2682 | |
| 166 | M | A | 0.0000 | |
| 167 | N | A | 0.0000 | |
| 168 | W | A | 0.0000 | |
| 169 | Y | A | 0.0000 | |
| 170 | Q | A | -1.0785 | |
| 171 | Q | A | 0.0000 | |
| 172 | T | A | -1.4353 | |
| 173 | P | A | -1.0727 | |
| 174 | G | A | -1.4989 | |
| 175 | K | A | -2.5052 | |
| 176 | A | A | -1.6130 | |
| 177 | P | A | 0.0000 | |
| 178 | K | A | -1.9197 | |
| 179 | R | A | -0.8340 | |
| 180 | W | A | -0.6564 | |
| 181 | I | A | 0.0000 | |
| 182 | Y | A | -0.1911 | |
| 183 | D | A | -0.4903 | |
| 184 | T | A | -0.4021 | |
| 185 | S | A | -0.7715 | |
| 186 | K | A | -1.1217 | |
| 187 | L | A | -0.3214 | |
| 188 | A | A | -0.5178 | |
| 189 | S | A | -0.4696 | |
| 190 | G | A | -0.5179 | |
| 191 | V | A | 0.0000 | |
| 192 | P | A | -0.3610 | |
| 193 | S | A | -0.4380 | |
| 194 | R | A | -0.6499 | |
| 195 | F | A | 0.0000 | |
| 196 | S | A | -0.5389 | |
| 197 | G | A | -0.5374 | |
| 198 | S | A | -0.7816 | |
| 199 | G | A | -0.8912 | |
| 200 | S | A | -0.7988 | |
| 201 | G | A | -0.7725 | |
| 202 | T | A | -0.9033 | |
| 203 | D | A | -1.4331 | |
| 204 | Y | A | 0.0000 | |
| 205 | T | A | -0.5104 | |
| 206 | L | A | 0.0000 | |
| 207 | T | A | -0.3129 | |
| 208 | I | A | 0.0000 | |
| 209 | S | A | -0.6338 | |
| 210 | S | A | -0.5824 | |
| 211 | L | A | 0.0000 | |
| 212 | Q | A | -1.0014 | |
| 213 | P | A | -1.5287 | |
| 214 | E | A | -2.0744 | |
| 215 | D | A | 0.0000 | |
| 216 | A | A | -1.3728 | |
| 217 | A | A | 0.0000 | |
| 218 | T | A | 0.0000 | |
| 219 | Y | A | 0.0000 | |
| 220 | Y | A | 0.0000 | |
| 221 | C | A | 0.0000 | |
| 222 | Q | A | 0.0000 | |
| 223 | Q | A | 0.0000 | |
| 224 | W | A | 0.1096 | |
| 225 | S | A | -0.1176 | |
| 226 | S | A | -0.5985 | |
| 227 | N | A | -1.0464 | |
| 228 | P | A | -0.9814 | |
| 229 | F | A | -0.3729 | |
| 230 | T | A | -0.5974 | |
| 231 | F | A | 0.0000 | |
| 232 | G | A | 0.0000 | |
| 233 | Q | A | -1.7579 | |
| 234 | G | A | 0.0000 | |
| 235 | T | A | 0.0000 | |
| 236 | K | A | -2.1569 | |
| 237 | L | A | 0.0000 | |
| 238 | Q | A | -1.8873 | |
| 239 | I | A | -0.9517 | |
| 240 | T | A | -1.0202 | |
| 241 | R | A | -1.8301 | |
| 1 | Q | B | -1.4469 | |
| 2 | V | B | -0.7947 | |
| 3 | Q | B | -1.0968 | |
| 4 | L | B | 0.0000 | |
| 5 | V | B | -0.2167 | |
| 6 | Q | B | 0.0000 | |
| 7 | S | B | -0.6483 | |
| 8 | G | B | -0.7891 | |
| 9 | G | B | 0.1078 | |
| 10 | G | B | 0.7520 | |
| 11 | V | B | 1.6680 | |
| 12 | V | B | -0.3537 | |
| 13 | Q | B | -1.8464 | |
| 14 | P | B | -2.0850 | |
| 15 | G | B | -2.2057 | |
| 16 | R | B | -2.7369 | |
| 17 | S | B | -2.0628 | |
| 18 | L | B | -1.2199 | |
| 19 | R | B | -1.9805 | |
| 20 | L | B | 0.0000 | |
| 21 | S | B | -0.8853 | |
| 22 | C | B | 0.0000 | |
| 23 | K | B | -1.8596 | |
| 24 | A | B | 0.0000 | |
| 25 | S | B | -1.2341 | |
| 26 | G | B | -0.9826 | |
| 27 | Y | B | -0.6819 | |
| 28 | T | B | -0.6735 | |
| 29 | F | B | 0.0000 | |
| 30 | T | B | -1.5477 | |
| 31 | R | B | -2.0251 | |
| 32 | Y | B | -1.2524 | |
| 33 | T | B | 0.0000 | |
| 34 | M | B | 0.0000 | |
| 35 | H | B | 0.0000 | |
| 36 | W | B | 0.0000 | |
| 37 | V | B | 0.0000 | |
| 38 | R | B | -0.3064 | |
| 39 | Q | B | -0.6427 | |
| 40 | A | B | -1.0571 | |
| 41 | P | B | -1.1831 | |
| 42 | G | B | -1.4774 | |
| 43 | K | B | -2.3470 | |
| 44 | G | B | -1.5833 | |
| 45 | L | B | 0.0000 | |
| 46 | E | B | -0.8401 | |
| 47 | W | B | 0.0000 | |
| 48 | I | B | 0.0000 | |
| 49 | G | B | 0.0000 | |
| 50 | Y | B | 0.2347 | |
| 51 | I | B | 0.0000 | |
| 52 | N | B | -0.9048 | |
| 53 | P | B | 0.0000 | |
| 54 | S | B | -1.6023 | |
| 55 | R | B | -1.7700 | |
| 56 | G | B | -0.9445 | |
| 57 | Y | B | 0.1507 | |
| 58 | T | B | 0.0492 | |
| 59 | N | B | -0.5211 | |
| 60 | Y | B | -1.3053 | |
| 61 | N | B | 0.0000 | |
| 62 | Q | B | -3.0499 | |
| 63 | K | B | -3.1788 | |
| 64 | V | B | 0.0000 | |
| 65 | K | B | -3.3629 | |
| 66 | D | B | -3.2315 | |
| 67 | R | B | -2.1172 | |
| 68 | F | B | 0.0000 | |
| 69 | T | B | -1.0683 | |
| 70 | I | B | 0.0000 | |
| 71 | S | B | -0.5181 | |
| 72 | R | B | -1.7506 | |
| 73 | D | B | -2.1216 | |
| 74 | N | B | -2.0297 | |
| 75 | S | B | -1.7819 | |
| 76 | K | B | -2.8571 | |
| 77 | N | B | -2.4240 | |
| 78 | T | B | 0.0000 | |
| 79 | A | B | 0.0000 | |
| 80 | F | B | -0.8385 | |
| 81 | L | B | 0.0000 | |
| 82 | Q | B | -1.1643 | |
| 83 | M | B | 0.0000 | |
| 84 | D | B | -2.1078 | |
| 85 | S | B | -1.9669 | |
| 86 | L | B | 0.0000 | |
| 87 | R | B | -2.6701 | |
| 88 | P | B | -2.2618 | |
| 89 | E | B | -2.7355 | |
| 90 | D | B | 0.0000 | |
| 91 | T | B | -0.4730 | |
| 92 | G | B | 0.0000 | |
| 93 | V | B | 0.7416 | |
| 94 | Y | B | 0.0000 | |
| 95 | F | B | 0.0000 | |
| 96 | C | B | 0.0000 | |
| 97 | A | B | 0.0000 | |
| 98 | R | B | 0.0000 | |
| 99 | Y | B | 0.0000 | |
| 100 | Y | B | -1.5872 | |
| 101 | D | B | -2.7514 | |
| 102 | D | B | -2.6561 | |
| 103 | H | B | -1.5564 | |
| 104 | Y | B | -0.7883 | |
| 105 | S | B | 0.0000 | |
| 106 | L | B | 0.0000 | |
| 107 | D | B | -0.0152 | |
| 108 | Y | B | 0.2245 | |
| 109 | W | B | -0.1053 | |
| 110 | G | B | 0.0000 | |
| 111 | Q | B | -1.4168 | |
| 112 | G | B | -0.4353 | |
| 113 | T | B | 0.0000 | |
| 114 | L | B | 1.7671 | |
| 115 | V | B | 0.0000 | |
| 116 | T | B | 0.4300 | |
| 117 | V | B | 0.0000 | |
| 118 | S | B | -1.0377 | |
| 119 | S | B | -1.2283 | |
| 120 | G | B | -1.1997 | |
| 121 | G | B | -1.1625 | |
| 122 | G | B | -1.1903 | |
| 123 | G | B | -1.3092 | |
| 124 | S | B | -1.0589 | |
| 125 | G | B | -1.5925 | |
| 126 | G | B | -1.5907 | |
| 127 | G | B | -1.4792 | |
| 128 | G | B | -1.5567 | |
| 129 | S | B | -1.0430 | |
| 130 | G | B | -1.4171 | |
| 131 | G | B | -1.5872 | |
| 132 | G | B | -1.3909 | |
| 133 | G | B | -1.7328 | |
| 134 | S | B | -1.1216 | |
| 135 | D | B | -1.6840 | |
| 136 | I | B | -1.1572 | |
| 137 | Q | B | -1.6716 | |
| 138 | M | B | 0.0000 | |
| 139 | T | B | -0.8044 | |
| 140 | Q | B | 0.0000 | |
| 141 | S | B | 0.0000 | |
| 142 | P | B | 0.0000 | |
| 143 | S | B | -0.7489 | |
| 144 | S | B | -1.1016 | |
| 145 | L | B | 0.0000 | |
| 146 | S | B | -0.9791 | |
| 147 | A | B | 0.0000 | |
| 148 | S | B | -0.5079 | |
| 149 | V | B | -0.0824 | |
| 150 | G | B | -0.3410 | |
| 151 | D | B | 0.0000 | |
| 152 | R | B | -0.5842 | |
| 153 | V | B | 0.0000 | |
| 154 | T | B | -0.1725 | |
| 155 | I | B | 0.0000 | |
| 156 | T | B | -0.5218 | |
| 157 | C | B | 0.0000 | |
| 158 | S | B | -1.0520 | |
| 159 | A | B | 0.0000 | |
| 160 | S | B | -1.0356 | |
| 161 | S | B | -0.8346 | |
| 162 | S | B | -0.6738 | |
| 163 | V | B | 0.0000 | |
| 164 | S | B | -0.1730 | |
| 165 | Y | B | 0.2703 | |
| 166 | M | B | 0.0000 | |
| 167 | N | B | 0.0000 | |
| 168 | W | B | 0.0000 | |
| 169 | Y | B | 0.0000 | |
| 170 | Q | B | -0.8353 | |
| 171 | Q | B | 0.0000 | |
| 172 | T | B | -1.3296 | |
| 173 | P | B | -1.0687 | |
| 174 | G | B | -1.5037 | |
| 175 | K | B | -2.4261 | |
| 176 | A | B | -1.4566 | |
| 177 | P | B | 0.0000 | |
| 178 | K | B | -1.2465 | |
| 179 | R | B | -0.4904 | |
| 180 | W | B | -0.4573 | |
| 181 | I | B | 0.0000 | |
| 182 | Y | B | -0.1720 | |
| 183 | D | B | -0.4820 | |
| 184 | T | B | -0.3929 | |
| 185 | S | B | -0.7647 | |
| 186 | K | B | -1.1169 | |
| 187 | L | B | -0.3113 | |
| 188 | A | B | 0.0000 | |
| 189 | S | B | -0.4676 | |
| 190 | G | B | -0.5122 | |
| 191 | V | B | 0.0000 | |
| 192 | P | B | -0.3223 | |
| 193 | S | B | -0.4099 | |
| 194 | R | B | -0.6390 | |
| 195 | F | B | 0.0000 | |
| 196 | S | B | -0.5234 | |
| 197 | G | B | -0.5300 | |
| 198 | S | B | -0.8574 | |
| 199 | G | B | -1.0546 | |
| 200 | S | B | -0.9586 | |
| 201 | G | B | -0.9293 | |
| 202 | T | B | -1.1726 | |
| 203 | D | B | -1.9929 | |
| 204 | Y | B | 0.0000 | |
| 205 | T | B | -0.6312 | |
| 206 | L | B | 0.0000 | |
| 207 | T | B | -0.3160 | |
| 208 | I | B | 0.0000 | |
| 209 | S | B | -0.6832 | |
| 210 | S | B | -0.5861 | |
| 211 | L | B | 0.0000 | |
| 212 | Q | B | -1.0184 | |
| 213 | P | B | -1.3444 | |
| 214 | E | B | -2.0155 | |
| 215 | D | B | 0.0000 | |
| 216 | A | B | -1.2902 | |
| 217 | A | B | 0.0000 | |
| 218 | T | B | 0.0000 | |
| 219 | Y | B | 0.0000 | |
| 220 | Y | B | 0.0000 | |
| 221 | C | B | 0.0000 | |
| 222 | Q | B | 0.0000 | |
| 223 | Q | B | 0.0000 | |
| 224 | W | B | 0.1239 | |
| 225 | S | B | -0.1050 | |
| 226 | S | B | -0.5764 | |
| 227 | N | B | -0.9375 | |
| 228 | P | B | -0.8941 | |
| 229 | F | B | -0.3253 | |
| 230 | T | B | -0.6002 | |
| 231 | F | B | 0.0000 | |
| 232 | G | B | 0.0000 | |
| 233 | Q | B | -1.7493 | |
| 234 | G | B | 0.0000 | |
| 235 | T | B | 0.0000 | |
| 236 | K | B | -1.9707 | |
| 237 | L | B | 0.0000 | |
| 238 | Q | B | -1.6754 | |
| 239 | I | B | -0.7519 | |
| 240 | T | B | -0.8727 | |
| 241 | R | B | -1.6967 |
Calculations for various pH values
This page contains details and comparisons for all models calculated at different pH points.
Please find suggestions on interpreting the results below. More details can be found in the Tutorial.
The input structure is globular. Max score is recommended for pH analysis.
pH |
Average A4D Score |
Max A4D Score |
|||
| 4.0 | -0.8301 | 2.1068 | View | CSV | PDB |
| 4.5 | -0.8619 | 2.1068 | View | CSV | PDB |
| 5.0 | -0.896 | 2.1068 | View | CSV | PDB |
| 5.5 | -0.9264 | 2.1068 | View | CSV | PDB |
| 6.0 | -0.9464 | 2.1068 | View | CSV | PDB |
| 6.5 | -0.9512 | 2.1068 | View | CSV | PDB |
| 7.0 | -0.9427 | 2.1068 | View | CSV | PDB |
| 7.5 | -0.9264 | 2.1068 | View | CSV | PDB |
| 8.0 | -0.9051 | 2.1068 | View | CSV | PDB |
| 8.5 | -0.8788 | 2.1068 | View | CSV | PDB |
| 9.0 | -0.8464 | 2.1068 | View | CSV | PDB |