F-group (family)
221.1.2.1 Ribosomal_S4,S4
Ligands and drugs
3,419
Member domains
844
with ligand contacts (≤ 4 Å)
24.7% of members
654
with DrugDomain annotations
19.1% of members
7
with a DrugBank compound
0.2% 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. 221.1.2.1 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 |
|---|---|---|---|
| DB00128 | ASP | Aspartic acid | 2 |
| DB00120 | PHE | Phenylalanine | 1 |
| DB00759 | TAC | Tetracycline | 1 |
| DB11638 | — | — | 1 |
Most frequently bound compounds
| PDB ligand | Name | Domains in contact |
|---|---|---|
| MGmetal | MAGNESIUM ION | 518 |
| SF4 | IRON/SULFUR CLUSTER | 322 |
| ZNmetal | ZINC ION | 301 |
| OHX | osmium (III) hexammine | 73 |
| Kmetal | POTASSIUM ION | 19 |
| PAR | PAROMOMYCIN | 11 |
| SPM | SPERMINE | 8 |
| WO2 | OCTADECATUNGSTENYL DIPHOSPHATE | 4 |
| UNX | UNKNOWN ATOM OR ION | 3 |
| LLL | (2R,3R,4R,5R)-2-((1S,2S,3R,4S,6R)-4,6-DIAMINO-3-((2R,3R,6S)-3-AMINO-6-(AMINOMETHYL)-TETRAHYDRO-2H-PYRAN-2-YLOXY)-2-HYDROXYCYCLOHEXYLOXY)-5-METHYL-4-(METHYLAMINO)-TETRAHYDRO-2H-PYRAN-3,5-DIOL | 2 |
| NAmetal | SODIUM ION | 1 |
| NMY | NEOMYCIN | 1 |
| TAC | TETRACYCLINE | 1 |