H-group (homology)
221.1 Ubiquitin-related
Ligands and drugs
24,517
Member domains
4,009
with ligand contacts (≤ 4 Å)
16.4% of members
3,145
with DrugDomain annotations
12.8% of members
1,217
with a DrugBank compound
5.0% 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. 221.1 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 |
|---|---|---|---|
| DB03147 | FAD | Flavin adenine dinucleotide | 284 |
| DB00157 | NAI | NADH | 107 |
| DB03247 | FMN | Flavin mononucleotide | 35 |
| DB08217 | MTN | S-[(1-Hydroxy-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl] methanesulfonothioate | 17 |
| DB14128 | NAD | Nadide | 17 |
| DB00171 | ATP | ATP | 15 |
| DB00115 | CNC | Cyanocobalamin | 13 |
| DB12010 | — | Fostamatinib | 12 |
| DB00131 | AMP | Adenosine phosphate | 10 |
| DB03317 | HEC | Ferroheme C | 10 |
| DB04464 | — | N-Formylmethionine | 9 |
| DB03983 | MTQ | {[2-Amino-4-oxo-6,7-di(sulfanyl-κS)-3,5,5a,8,9a,10-hexahydro-4H-pyrano[3,2-g]pteridin-8-yl]methyl dihydrogenato(2-) phosphate}(dioxo)sulfanylmolybdenum | 7 |
| DB00141 | NAG | N-Acetylglucosamine | 6 |
| DB00161 | VAL | Valine | 6 |
| DB02082 | GNP | Phosphoaminophosphonic acid guanylate ester | 6 |
| DB03904 | URE | Urea | 6 |
| DB02175 | MLA | Malonic acid | 5 |
| DB00142 | GLU | Glutamic acid | 4 |
| DB11759 | B39 | Pevonedistat | 4 |
| DB15013 | 61T | TAK-243 | 4 |
Most frequently bound compounds
| PDB ligand | Name | Domains in contact |
|---|---|---|
| FES | FE2/S2 (INORGANIC) CLUSTER | 1,094 |
| MGmetal | MAGNESIUM ION | 779 |
| ZNmetal | ZINC ION | 491 |
| SF4 | IRON/SULFUR CLUSTER | 360 |
| CL | CHLORIDE ION | 192 |
| FAD | FLAVIN-ADENINE DINUCLEOTIDE | 187 |
| NAI | 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE | 102 |
| AYE | prop-2-en-1-amine | 80 |
| OHX | osmium (III) hexammine | 77 |
| NAmetal | SODIUM ION | 66 |
| CDmetal | CADMIUM ION | 39 |
| Kmetal | POTASSIUM ION | 36 |
| UNX | UNKNOWN ATOM OR ION | 36 |
| CAmetal | CALCIUM ION | 35 |
| MTE | PHOSPHONIC ACIDMONO-(2-AMINO-5,6-DIMERCAPTO-4-OXO-3,7,8A,9,10,10A-HEXAHYDRO-4H-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-7-YLMETHYL)ESTER | 33 |
| A1AIV | 4-aminobutanenitrile | 29 |
| NAD | NICOTINAMIDE-ADENINE-DINUCLEOTIDE | 28 |
| ATP | ADENOSINE-5'-TRIPHOSPHATE | 21 |
| IOD | IODIDE ION | 21 |
| FMN | FLAVIN MONONUCLEOTIDE | 18 |