5009 Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX)
Ligands and drugs
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
ClassyFire chemical superclasses of the ligands bound by this X-group's proteins, from DrugDomain annotations.
The raw number of superclasses rises with the number of proteins sampled; the per-20 value compares X-groups at equal depth.
| Superclass | Proteins | Expected | 0.25×observed / expected4× | Ratio | Significance |
|---|---|---|---|---|---|
| Lipids and lipid-like molecules | 2 | 0.2 | 9.11× | not tested | |
| Organic oxygen compounds | 1 | 0.4 | 2.55× | not tested |
Unit: a protein (UniProt accession) with a ligand-binding domain in this X-group, counted once per superclass. Expected counts use each superclass's frequency across all ligand-binding X-groups; significance is Fisher's exact test with Benjamini–Hochberg correction. Buffers and crystallization additives are excluded. ECOD v295.2; the method follows the ECOD 2027 update, whose published figures used a slightly different artifact filter.
DrugBank compounds
| DrugBank | PDB ligand | Name | Domains |
|---|---|---|---|
| DB02659 | CHD | Cholic Acid | 15 |
Most frequently bound compounds
| PDB ligand | Name | Domains in contact |
|---|---|---|
| DMU | DECYL-BETA-D-MALTOPYRANOSIDE | 148 |
| PGV | (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE | 130 |
| CHD | CHOLIC ACID | 14 |
| 3PE | 1,2-Distearoyl-sn-glycerophosphoethanolamine | 11 |
| PC1 | 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE | 5 |
| CQX | (2S,3S,4S,5S,6R)-2-(2-decoxyethoxy)-6-(hydroxymethyl)oxane-3,4,5-triol | 2 |
| PEE | 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine | 2 |
| UNL | Unknown ligand | 1 |