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IMGVR_UViG_3300025174_000089-3300025174-Ga0209324_1000045744

Arc-Vir

IMGVR_UViG_3300025174_000089-3300025174-Ga0209324_1000045744

Quality

51.1 mean pLDDT

Cluster

Singleton — not in a non-trivial cluster

3D Structure

Domains

high = three domain segmentations agree, medium = two domain segmentations agree. Numbered high-first then medium, N→C within each tier.

D1 high residues 237-306
PDB
D2 high residues 318-513
PDB
D3 medium residues 17-204
PDB
Domain cluster: representative
CATH (19)
Domain IDClass IDClassificationTM-scoreBitsE-valueQ covT cov
1auvA03 3.30.470.20 Alpha Beta › 2-Layer Sandwich › D-amino Acid Aminotransferase; Chain A, domain 1 › ATP-grasp fold, B domain 0.70 36.0 4.85e-01 99.5% 91.4%
5dmxB02 3.30.470.20 Alpha Beta › 2-Layer Sandwich › D-amino Acid Aminotransferase; Chain A, domain 1 › ATP-grasp fold, B domain 0.66 47.0 5.11e-01 100.0% 86.5%
3votB02 3.30.470.20 Alpha Beta › 2-Layer Sandwich › D-amino Acid Aminotransferase; Chain A, domain 1 › ATP-grasp fold, B domain 0.65 53.0 4.53e-01 99.5% 54.9%
3orqA02 3.30.470.20 Alpha Beta › 2-Layer Sandwich › D-amino Acid Aminotransferase; Chain A, domain 1 › ATP-grasp fold, B domain 0.62 36.0 3.49e-01 100.0% 51.2%
2h41A00 2.60.40.10 Mainly Beta › Sandwich › Immunoglobulin-like › Immunoglobulins 0.60 26.0 3.58e-01 79.8% 78.9%
2i87B02 3.30.470.20 Alpha Beta › 2-Layer Sandwich › D-amino Acid Aminotransferase; Chain A, domain 1 › ATP-grasp fold, B domain 0.58 33.0 3.59e-01 99.5% 65.4%
4wtxA00 2.60.40.10 Mainly Beta › Sandwich › Immunoglobulin-like › Immunoglobulins 0.58 29.0 3.88e-01 89.9% 90.7%
1unnC00 3.30.1490.100 Alpha Beta › 2-Layer Sandwich › Dna Ligase; domain 1 › DNA polymerase, Y-family, little finger domain 0.58 33.0 4.12e-01 83.0% 92.8%
2yn3B03 2.60.40.10 Mainly Beta › Sandwich › Immunoglobulin-like › Immunoglobulins 0.57 21.0 3.54e-01 88.3% 93.0%
6i6rB03 2.60.40.10 Mainly Beta › Sandwich › Immunoglobulin-like › Immunoglobulins 0.55 28.0 3.63e-01 87.2% 87.9%
2gysA02 2.60.40.10 Mainly Beta › Sandwich › Immunoglobulin-like › Immunoglobulins 0.55 29.0 3.78e-01 87.2% 91.2%
1iowA02 3.30.470.20 Alpha Beta › 2-Layer Sandwich › D-amino Acid Aminotransferase; Chain A, domain 1 › ATP-grasp fold, B domain 0.55 33.0 3.69e-01 99.5% 75.2%
8os3A01 2.60.40.10 Mainly Beta › Sandwich › Immunoglobulin-like › Immunoglobulins 0.54 27.0 3.63e-01 85.6% 92.4%
2vtfA03 2.60.40.10 Mainly Beta › Sandwich › Immunoglobulin-like › Immunoglobulins 0.54 27.0 3.58e-01 87.2% 92.3%
2ic2A00 2.60.40.10 Mainly Beta › Sandwich › Immunoglobulin-like › Immunoglobulins 0.53 28.0 3.60e-01 87.2% 89.4%
5eiqA02 2.60.40.10 Mainly Beta › Sandwich › Immunoglobulin-like › Immunoglobulins 0.53 26.0 3.56e-01 87.2% 93.4%
6dgiA02 3.30.470.20 Alpha Beta › 2-Layer Sandwich › D-amino Acid Aminotransferase; Chain A, domain 1 › ATP-grasp fold, B domain 0.53 34.0 3.83e-01 99.5% 84.0%
1tp6A00 3.10.450.50 Alpha Beta › Roll › Nuclear Transport Factor 2; Chain: A, › 0.51 27.0 3.15e-01 89.9% 70.6%
3d9rB00 3.10.450.50 Alpha Beta › Roll › Nuclear Transport Factor 2; Chain: A, › 0.50 26.0 2.96e-01 90.4% 63.2%
ECOD (82)
UIDF-IDClassificationTM-scoreBitsE-valueQ covT cov
3281732 206.1.3.3 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › PPDK_N 0.79 75.0 6.11e-01 100.0% 92.3%
5058265 206.1.3.3 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › PPDK_N 0.78 74.0 6.52e-01 100.0% 96.2%
3672866 206.1.3.3 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › PPDK_N 0.78 73.0 5.94e-01 100.0% 96.7%
5073657 206.1.3.3 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › PPDK_N 0.77 73.0 5.97e-01 100.0% 95.1%
4973990 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.77 72.0 6.01e-01 100.0% 96.2%
5035490 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.74 70.0 5.84e-01 100.0% 94.8%
4986756 206.1.3.9 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Synapsin_C 0.73 60.0 5.23e-01 99.5% 58.5%
3239028 206.1.3.9 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Synapsin_C 0.72 64.0 6.18e-01 99.5% 84.9%
4937906 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.72 57.0 5.84e-01 98.9% 83.8%
4937952 206.1.3.3 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › PPDK_N 0.72 67.0 5.98e-01 100.0% 96.9%
3799969 206.1.3.9 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Synapsin_C 0.72 62.0 6.00e-01 99.5% 81.4%
4192663 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.71 64.0 5.98e-01 99.5% 80.0%
4999001 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.71 56.0 4.84e-01 97.3% 55.0%
5011365 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.71 61.0 5.93e-01 98.9% 83.4%
3470285 206.1.3.20 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATP-grasp_2 0.70 65.0 5.67e-01 97.9% 87.4%
4880373 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.70 54.0 5.58e-01 98.4% 84.8%
4673494 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.70 60.0 5.21e-01 99.5% 61.7%
4945409 206.1.3.26 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATP-grasp_5 0.70 65.0 6.14e-01 100.0% 98.2%
3288472 206.1.3.32 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › R2K_3 0.70 62.0 6.09e-01 99.5% 88.5%
4984286 206.1.3.41 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATPgrasp_Ter 0.70 62.0 5.76e-01 100.0% 76.2%
5070373 206.1.3.26 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATP-grasp_5 0.70 63.0 6.11e-01 96.8% 99.0%
980877 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.69 56.0 5.77e-01 96.3% 87.9%
5046855 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.69 60.0 5.84e-01 99.5% 84.2%
4928041 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.69 60.0 5.21e-01 98.9% 61.4%
5050960 206.1.3.16 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Ins134_P3_kin 0.69 60.0 5.83e-01 100.0% 82.4%
3761616 206.1.3.45 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Biotin_carb_C+CPSase_L_D2 0.69 61.0 4.94e-01 96.8% 50.6%
3278175 206.1.3.97 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATP-grasp_4, LAL_C2 0.69 62.0 5.24e-01 100.0% 59.7%
4560677 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.69 59.0 5.49e-01 99.5% 73.5%
None 0.69 63.0 5.85e-01 98.9% 79.8%
4928453 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.69 60.0 5.19e-01 99.5% 61.8%
4093838 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.69 55.0 5.58e-01 100.0% 84.9%
3282995 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.69 58.0 5.73e-01 99.5% 84.0%
5028774 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.69 55.0 5.54e-01 98.9% 84.3%
5027371 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.69 61.0 6.26e-01 97.9% 97.8%
2797621 206.1.3.11 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › GSH-S_ATP 0.68 55.0 5.62e-01 97.3% 85.9%
5050758 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.68 61.0 5.54e-01 100.0% 72.7%
4060053 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.68 58.0 5.44e-01 99.5% 73.9%
None 0.68 60.0 4.25e-01 100.0% 32.1%
None 0.68 59.0 5.60e-01 99.5% 78.6%
1886885 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.68 56.0 5.59e-01 97.9% 83.2%
None 0.68 63.0 5.79e-01 99.5% 85.7%
4936942 206.1.3.26 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATP-grasp_5 0.68 63.0 5.90e-01 100.0% 93.9%
5041479 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.68 55.0 5.55e-01 99.5% 84.7%
3952849 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.67 60.0 5.01e-01 99.5% 57.7%
4412811 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.67 59.0 5.11e-01 99.5% 62.1%
5051685 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.67 57.0 5.70e-01 100.0% 87.9%
4980312 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.67 63.0 5.89e-01 100.0% 96.9%
4233261 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.67 55.0 4.79e-01 99.5% 57.5%
4251336 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.67 58.0 5.68e-01 100.0% 84.4%
3987360 206.1.3.84 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › R2K_2 0.67 48.0 5.08e-01 95.2% 81.2%
3603653 206.1.3.2 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › GARS_A 0.67 61.0 5.20e-01 97.3% 66.1%
4062153 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.67 60.0 5.14e-01 99.5% 61.4%
5058364 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.67 60.0 5.75e-01 99.5% 83.7%
4002926 206.1.3.2 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › GARS_A 0.67 62.0 5.82e-01 99.5% 83.6%
4157290 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.66 62.0 5.58e-01 99.5% 75.6%
5062096 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.66 56.0 4.93e-01 100.0% 61.9%
2754666 206.1.3.26 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATP-grasp_5 0.66 60.0 5.67e-01 97.3% 91.1%
None 0.66 58.0 5.52e-01 100.0% 80.5%
None 0.66 61.0 5.03e-01 99.5% 58.2%
4996083 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.65 61.0 5.69e-01 99.5% 81.3%
4319133 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.65 60.0 5.46e-01 99.5% 75.1%
4973439 206.1.3.8 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATP-grasp_3 0.65 48.0 4.82e-01 96.3% 73.3%
5057236 325.1.1.17 a+b complex topology › alpha/beta-Hammerhead/Barrel-sandwich hybrid › alpha/beta-Hammerhead/Barrel-sandwich hybrid › CO dehydrogenase molybdoprotein N-domain-like › GARS_A 0.65 60.0 4.90e-01 99.5% 57.4%
5063412 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.65 60.0 4.95e-01 99.5% 57.5%
None 0.64 58.0 5.55e-01 99.5% 83.2%
3950050 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.64 58.0 4.85e-01 97.3% 57.8%
3607229 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.64 58.0 5.45e-01 97.9% 81.7%
4947584 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.64 59.0 5.53e-01 99.5% 83.0%
4588934 206.1.3.25 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATP-grasp_4 0.64 56.0 4.87e-01 99.5% 61.7%
4966381 206.1.3.0 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp 0.64 59.0 4.73e-01 99.5% 55.2%
4978566 206.1.3.8 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATP-grasp_3 0.63 56.0 4.84e-01 99.5% 62.1%
5078717 206.1.3.41 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATPgrasp_Ter 0.63 56.0 5.23e-01 99.5% 77.8%
3510880 206.1.3.19 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › Dala_Dala_lig_C 0.63 58.0 4.90e-01 100.0% 60.6%
2756576 206.1.3.21 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › RimK 0.63 56.0 5.35e-01 99.5% 82.0%
5073504 206.1.3.8 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › ATP-grasp_3 0.63 57.0 4.46e-01 97.9% 50.5%
4940255 206.1.3.2 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › GARS_A 0.62 57.0 5.35e-01 99.5% 83.1%
4483024 206.1.3.17 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › DUF1297 0.61 55.0 4.98e-01 97.3% 75.9%
4265395 302.1.1.1 a+b two layers › Reverse ferredoxin › Lesion bypass DNA polymerase (Y-family), little finger domain › Lesion bypass DNA polymerase (Y-family), little finger domain › IMS_C 0.57 34.0 4.18e-01 84.6% 94.8%
3962156 206.1.3.10 a+b complex topology › Protein kinase/SAICAR synthase/ATP-grasp › Protein kinase/SAICAR synthase/ATP-grasp › ATP-grasp › CPSase_L_D2 0.56 48.0 4.42e-01 97.3% 71.0%
4155354 302.1.1.1 a+b two layers › Reverse ferredoxin › Lesion bypass DNA polymerase (Y-family), little finger domain › Lesion bypass DNA polymerase (Y-family), little finger domain › IMS_C 0.56 32.0 3.88e-01 83.5% 85.8%
4300924 302.1.1.1 a+b two layers › Reverse ferredoxin › Lesion bypass DNA polymerase (Y-family), little finger domain › Lesion bypass DNA polymerase (Y-family), little finger domain › IMS_C 0.56 33.0 4.03e-01 84.6% 93.0%
4926832 302.1.1.1 a+b two layers › Reverse ferredoxin › Lesion bypass DNA polymerase (Y-family), little finger domain › Lesion bypass DNA polymerase (Y-family), little finger domain › IMS_C 0.51 33.0 3.85e-01 85.6% 95.2%
D4 medium residues 638-738
PDB