T-group (topology)
221.3.1 Immunoglobulin-binding domains
Ligands and drugs
363
Member domains
96
with ligand contacts (≤ 4 Å)
26.4% of members
83
with DrugDomain annotations
22.9% of members
64
with a DrugBank compound
17.6% 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. 221.3.1 belongs to X-group 221 beta-Grasp, which binds 9.2 ligand superclasses per 20 proteins, broader than 83% of the 256 X-groups with enough proteins to compare. View its chemical profile →
DrugBank compounds
| DrugBank | PDB ligand | Name | Domains |
|---|---|---|---|
| DB08217 | MTN | S-[(1-Hydroxy-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl] methanesulfonothioate | 14 |
Most frequently bound compounds
| PDB ligand | Name | Domains in contact |
|---|---|---|
| ZNmetal | ZINC ION | 25 |
| MTN | S-[(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl] methanesulfonothioate | 14 |
| CL | CHLORIDE ION | 12 |
| NAmetal | SODIUM ION | 7 |
| MRD | (4R)-2-METHYLPENTANE-2,4-DIOL | 6 |
| DPO | DIPHOSPHATE | 2 |
| MGmetal | MAGNESIUM ION | 2 |
| NAG | 2-acetamido-2-deoxy-beta-D-glucopyranose | 2 |
| NImetal | NICKEL (II) ION | 2 |
| CAmetal | CALCIUM ION | 1 |