T-group (topology)
142.1.1 Sigma2 domain of RNA polymerase sigma factors
Ligands and drugs
1,127
Member domains
49
with ligand contacts (≤ 4 Å)
4.3% of members
35
with DrugDomain annotations
3.1% of members
23
with a DrugBank compound
2.0% of members
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
Chemical profiles are computed for X-groups. 142.1.1 belongs to X-group 142 Sigma2 domain-like, which has 9 proteins with classified ligands. View its chemical profile →
DrugBank compounds
| DrugBank | PDB ligand | Name | Domains |
|---|---|---|---|
| DB02693 | D1D | (4S,5S)-1,2-dithiane-4,5-diol | 2 |
| DB00171 | ATP | ATP | 1 |
| DB02701 | NCA | Nicotinamide | 1 |
Most frequently bound compounds
| PDB ligand | Name | Domains in contact |
|---|---|---|
| MGmetal | MAGNESIUM ION | 7 |
| C2E | 9,9'-[(2R,3R,3aS,5S,7aR,9R,10R,10aS,12S,14aR)-3,5,10,12-tetrahydroxy-5,12-dioxidooctahydro-2H,7H-difuro[3,2-d:3',2'-j][1,3,7,9,2,8]tetraoxadiphosphacyclododecine-2,9-diyl]bis(2-amino-1,9-dihydro-6H-purin-6-one) | 5 |
| ADP | ADENOSINE-5'-DIPHOSPHATE | 2 |
| D1D | (4S,5S)-1,2-DITHIANE-4,5-DIOL | 2 |
| NAmetal | SODIUM ION | 2 |
| 118 | TETRAPHENYLANTIMONIUM ION | 1 |
| ATP | ADENOSINE-5'-TRIPHOSPHATE | 1 |
| CDmetal | CADMIUM ION | 1 |
| NCA | NICOTINAMIDE | 1 |