H-group (homology)
243.7 Cytochrome b5-like heme/steroid binding domain
Ligands and drugs
726
Member domains
97
with ligand contacts (≤ 4 Å)
13.4% of members
101
with DrugDomain annotations
13.9% of members
101
with a DrugBank compound
13.9% 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. 243.7 belongs to X-group 243 Cystatin-like, which binds 8.3 ligand superclasses per 20 proteins, broader than 62% of the 256 X-groups with enough proteins to compare. View its chemical profile →
DrugBank compounds
| DrugBank | PDB ligand | Name | Domains |
|---|---|---|---|
| DB18267 | HEM | Ferroheme | 94 |
| DB00132 | — | alpha-Linolenic acid | 2 |
| DB04009 | HDM | Dimethyl Propionate Ester Heme | 2 |
| DB00159 | — | Icosapent | 1 |
| DB00514 | — | — | 1 |
| DB03884 | PPY | Phenylpyruvic acid | 1 |
| DB03983 | — | {[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 | 1 |
| DB11136 | — | — | 1 |
| DB12695 | — | — | 1 |
| DB14526 | — | — | 1 |
| DB14527 | — | — | 1 |
| DB14528 | — | — | 1 |
| DB14529 | — | — | 1 |
| DB14530 | — | — | 1 |
Most frequently bound compounds
| PDB ligand | Name | Domains in contact |
|---|---|---|
| HEM | PROTOPORPHYRIN IX CONTAINING FE | 96 |
| MGmetal | MAGNESIUM ION | 9 |
| CUmetal | COPPER (II) ION | 4 |
| CAmetal | CALCIUM ION | 2 |
| CL | CHLORIDE ION | 1 |
| HDM | DIMETHYL PROPIONATE ESTER HEME | 1 |
| NAmetal | SODIUM ION | 1 |
| PPY | 3-PHENYLPYRUVIC ACID | 1 |