3521 Polymerase basic protein 2 cap-binding domain
Ligands and drugs
Aggregated over all current member domains of this group. Drug annotations come from DrugDomain; buffers and crystallization additives are excluded from the tables below.
Chemical profile
ClassyFire chemical superclasses of the ligands bound by this X-group's proteins, from DrugDomain annotations.
The raw number of superclasses rises with the number of proteins sampled; the per-20 value compares X-groups at equal depth.
| Superclass | Proteins | Expected | 0.25×observed / expected4× | Ratio | Significance |
|---|---|---|---|---|---|
| Nucleosides, nucleotides, and analogues | 17 | 5.5 | 3.12× | q < 0.0001 | |
| Homogeneous metal compounds | 2 | 9.7 | 0.21× | q = 1.2e-3 | |
| Organosulfur compounds | 1 | 0.4 | 2.46× | not tested | |
| Organic acids and derivatives | 4 | 3.1 | 1.31× | not tested | |
| Homogeneous non-metal compounds | 3 | 4.2 | 0.71× | not tested | |
| Benzenoids | 1 | 1.4 | 0.69× | not tested | |
| Organoheterocyclic compounds | 1 | 3.0 | 0.33× | not tested | |
| Organic oxygen compounds | 1 | 3.9 | 0.26× | not tested |
Unit: a protein (UniProt accession) with a ligand-binding domain in this X-group, counted once per superclass. Expected counts use each superclass's frequency across all ligand-binding X-groups; significance is Fisher's exact test with Benjamini–Hochberg correction. Buffers and crystallization additives are excluded. ECOD v295.2; the method follows the ECOD 2027 update, whose published figures used a slightly different artifact filter.
DrugBank compounds
| DrugBank | PDB ligand | Name | Domains |
|---|---|---|---|
| DB03358 | MGT | 7-Methyl-7,8-dihydroguanosine 5'-(tetrahydrogen triphosphate) | 20 |
| DB04315 | GDP | Guanosine-5'-Diphosphate | 8 |
| DB01649 | GTA | 7-methyl-GpppA | 7 |
| DB01960 | M7G | 7-methyl-7,8-dihydroguanosine-5'-diphosphate | 2 |
| DB02716 | MGP | 7-methyl-guanosine-5'-triphosphate | 2 |
| DB04137 | GTP | Guanosine-5'-Triphosphate | 1 |
Most frequently bound compounds
| PDB ligand | Name | Domains in contact |
|---|---|---|
| MGT | 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE | 23 |
| 21G | (2S,3S)-3-[[5-fluoranyl-2-(5-fluoranyl-1H-pyrrolo[2,3-b]pyridin-3-yl)pyrimidin-4-yl]amino]bicyclo[2.2.2]octane-2-carboxylic acid | 10 |
| GDP | GUANOSINE-5'-DIPHOSPHATE | 8 |
| GTA | P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE | 7 |
| IOD | IODIDE ION | 6 |
| BYB | (2~{S},3~{S})-3-[[5-fluoranyl-2-(5-fluoranyl-1~{H}-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-4-yl]amino]bicyclo[2.2.2]octane-2-carboxylic acid | 5 |
| GIH | (2~{S},3~{S})-3-[[5-dimethoxyphosphoryl-4-(5-fluoranyl-1~{H}-pyrrolo[2,3-b]pyridin-3-yl)pyrimidin-2-yl]amino]bicyclo[2.2.2]octane-2-carboxylic acid | 4 |
| NImetal | NICKEL (II) ION | 4 |
| CL | CHLORIDE ION | 3 |
| 29R | 2,9-N,N-DI(4-CARBOXYBUTYL)-7-N-METHYLGUANINE | 2 |
| 4V7 | N-[(1R,3S)-3-({5-fluoro-2-[5-fluoro-2-(hydroxymethyl)-1H-pyrrolo[2,3-b]pyridin-3-yl]pyrimidin-4-yl}amino)cyclohexyl]pyrrolidine-1-carboxamide | 2 |
| G1G | 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE | 2 |
| KWN | (1~{S},2~{S},3~{S},6~{R})-2-[[2-[5,7-bis(fluoranyl)-1~{H}-indol-3-yl]-5-fluoranyl-pyrimidin-4-yl]amino]-3,6-dimethyl-cyclohexane-1-carboxylic acid | 2 |
| M7G | 7N-METHYL-8-HYDROGUANOSINE-5'-DIPHOSPHATE | 2 |
| MGP | 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE | 2 |
| SCN | THIOCYANATE ION | 2 |
| 11H | 9,10-dioxo-9,10-dihydroanthracene-2,6-disulfonic acid | 1 |
| 41G | 5-[2-(2-azanyl-7-methyl-6-oxidanylidene-1H-purin-9-ium-9-yl)ethanoyl]-2-oxidanyl-benzoic acid | 1 |
| 4EW | 2-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-fluoro-N-[(1R,2S,3S,4R)-3-(1H-tetrazol-5-yl)bicyclo[2.2.2]oct-2-yl]pyrimidin-4-amine | 1 |
| 6NS | (3~{R})-3-[[5-fluoranyl-2-(5-fluoranyl-1~{H}-pyrrolo[2,3-b]pyridin-3-yl)pyrimidin-4-yl]amino]-4,4-dimethyl-pentanoic acid | 1 |