H-group (homology)
227.1 DNA clamp
Ligands and drugs
3,396
Member domains
596
with ligand contacts (≤ 4 Å)
17.6% of members
549
with DrugDomain annotations
16.2% of members
257
with a DrugBank compound
7.6% 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. 227.1 belongs to X-group 227 DNA clamp, which binds 7.6 ligand superclasses per 20 proteins, narrower than 51% of the 256 X-groups with enough proteins to compare. View its chemical profile →
DrugBank compounds
| DrugBank | PDB ligand | Name | Domains |
|---|---|---|---|
| DB00120 | PHE | Phenylalanine | 4 |
| DB00125 | ARG | Arginine | 4 |
| DB00149 | LEU | Leucine | 4 |
| DB00738 | PNT | Pentamidine | 4 |
| DB00861 | 1FL | Diflunisal | 4 |
| DB02967 | NEQ | N-Ethylmaleimide | 4 |
| DB06998 | 322 | [(5R)-5-(2,3-dibromo-5-ethoxy-4-hydroxybenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]acetic acid | 4 |
| DB00142 | GLU | Glutamic acid | 2 |
| DB00156 | THR | Threonine | 2 |
| DB00279 | T3 | Liothyronine | 2 |
| DB00945 | — | Acetylsalicylic acid | 2 |
| DB00963 | 27R | Bromfenac | 2 |
| DB02159 | PGR | (R)-Propylene glycol | 2 |
| DB03100 | 6NI | 6-Nitroindazole | 2 |
| DB07108 | 4FC | 4'-FLUORO-1,1'-BIPHENYL-4-CARBOXYLIC ACID | 2 |
| DB02078 | PG5 | Triglyme | 1 |
Most frequently bound compounds
| PDB ligand | Name | Domains in contact |
|---|---|---|
| CAmetal | CALCIUM ION | 105 |
| CL | CHLORIDE ION | 74 |
| NAmetal | SODIUM ION | 36 |
| BR | BROMIDE ION | 18 |
| ZNmetal | ZINC ION | 16 |
| ACE | ACETYL GROUP | 10 |
| MGmetal | MAGNESIUM ION | 10 |
| IOD | IODIDE ION | 6 |
| NEQ | N-ETHYLMALEIMIDE | 6 |
| Kmetal | POTASSIUM ION | 5 |
| 0LA | (2S)-2-(6-chloro-9H-carbazol-2-yl)propanoic acid | 4 |
| 1FL | 5-(2,4-DIFLUOROPHENYL)-2-HYDROXY-BENZOIC ACID | 4 |
| 2HO | 3,4-difluorobenzamide | 4 |
| 2HQ | 5-chloro-1H-indole-2,3-dione | 4 |
| 2VD | (2R)-6-bromo-9-(2-{[(1R)-1-carboxy-2-phenylethyl]amino}-2-oxoethyl)-2,3,4,9-tetrahydro-1H-carbazole-2-carboxylic acid | 4 |
| 2VF | (2R)-9-(2-amino-2-oxoethyl)-6-chloro-2,3,4,9-tetrahydro-1H-carbazole-2-carboxylic acid | 4 |
| 2VG | (2R)-6-chloro-2,3,4,9-tetrahydro-1H-carbazole-2-carboxylic acid | 4 |
| 2VM | (2R)-6-bromo-9-(2-{[(1S)-1-carboxy-2-phenylethyl]amino}-2-oxoethyl)-2,3,4,9-tetrahydro-1H-carbazole-2-carboxylic acid | 4 |
| 322 | [(5R)-5-(2,3-dibromo-5-ethoxy-4-hydroxybenzyl)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]acetic acid | 4 |
| 743 | (1R,5R)-5-{(1Z)-N-[(4'-fluorobiphenyl-4-yl)methoxy]butanimidoyl}-2,2-dimethyl-4,6-dioxocyclohexanecarbonitrile | 4 |