H-group (homology)
233.1 MHC antigen-recognition domain
Ligands and drugs
4,020
Member domains
1,716
with ligand contacts (≤ 4 Å)
42.7% of members
1,490
with DrugDomain annotations
37.1% of members
1,202
with a DrugBank compound
29.9% 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. 233.1 belongs to X-group 233 MHC antigen-recognition domain, which binds 8.1 ligand superclasses per 20 proteins, broader than 60% of the 256 X-groups with enough proteins to compare. View its chemical profile →
DrugBank compounds
| DrugBank | PDB ligand | Name | Domains |
|---|---|---|---|
| DB00141 | NAG | N-Acetylglucosamine | 478 |
| DB03796 | PLM | Palmitic Acid | 31 |
| DB12232 | AGH | Alpha-galactosylceramide | 17 |
| DB04661 | CIS | cis-tetracosenoyl sulfatide | 9 |
| DB00145 | GLY | Glycine | 8 |
| DB01048 | 1KX | Abacavir | 7 |
| DB02676 | B3P | 2-[3-(2-Hydroxy-1,1-Dihydroxymethyl-Ethylamino)-Propylamino]-2-Hydroxymethyl-Propane-1,3-Diol | 7 |
| DB00151 | CYS | Cysteine | 6 |
| DB04473 | FUC | alpha-L-fucose | 6 |
| DB00125 | ARG | Arginine | 5 |
| DB00149 | LEU | Leucine | 5 |
| DB02175 | MLA | Malonic acid | 5 |
| DB03309 | NHE | N-cyclohexyltaurine | 5 |
| DB03345 | BME | Mercaptoethanol | 5 |
| DB00134 | MET | Methionine | 3 |
| DB08231 | MYR | Myristic acid | 3 |
| DB08357 | P4G | Diethylene glycol diethyl ether | 3 |
| DB00586 | DIF | Diclofenac | 2 |
| DB00847 | DHL | Cysteamine | 2 |
| DB02144 | PIE | 1,2-diacyl-sn-glycero-3-phosphoinositol | 2 |
Most frequently bound compounds
| PDB ligand | Name | Domains in contact |
|---|---|---|
| NAG | 2-acetamido-2-deoxy-beta-D-glucopyranose | 513 |
| CL | CHLORIDE ION | 101 |
| NAmetal | SODIUM ION | 91 |
| ZNmetal | ZINC ION | 37 |
| PLM | PALMITIC ACID | 31 |
| 2LJ | 1-deoxy-1-({2,6-dioxo-5-[(E)-propylideneamino]-1,2,3,6-tetrahydropyrimidin-4-yl}amino)-D-ribitol | 30 |
| IOD | IODIDE ION | 30 |
| MGmetal | MAGNESIUM ION | 27 |
| 30W | N-(6-formyl-4-oxo-3,4-dihydropteridin-2-yl)acetamide | 21 |
| PTY | PHOSPHATIDYLETHANOLAMINE | 20 |
| CAmetal | CALCIUM ION | 18 |
| AGH | N-{(1S,2R,3S)-1-[(ALPHA-D-GALACTOPYRANOSYLOXY)METHYL]-2,3-DIHYDROXYHEPTADECYL}HEXACOSANAMIDE | 17 |
| CDmetal | CADMIUM ION | 17 |
| Q87 | 1-deoxy-1-({2,6-dioxo-5-[(E)-(2-oxopropylidene)amino]-1,2,3,6-tetrahydropyrimidin-4-yl}amino)-D-ribitol | 12 |
| D12 | DODECANE | 11 |
| CUY | tetracosyl octadecanoate | 10 |
| CIS | (15Z)-N-((1S,2R,3E)-2-HYDROXY-1-{[(3-O-SULFO-BETA-D-GALACTOPYRANOSYL)OXY]METHYL}HEPTADEC-3-ENYL)TETRACOS-15-ENAMIDE | 9 |
| EKG | (2R)-2,3-dihydroxypropyl hexadecanoate | 9 |
| GLY | GLYCINE | 8 |
| MYR | MYRISTIC ACID | 8 |