X-group (possible homology)

6155 TOG superfamily

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Ligands and drugs

1,124

Member domains

with ligand contacts (≤ 4 Å)

2.8% of members

with DrugDomain annotations

2.8% of members

with a DrugBank compound

2.5% 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

ClassyFire chemical superclasses of the ligands bound by this X-group's proteins, from DrugDomain annotations.

Proteins with classified ligands

Superclasses bound (of 23)

—

Superclasses per 20 proteins

fewer than 20 proteins: too few to compare at equal depth

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	Ratio	Significance
Hydrocarbons	2	0.1	41×	not tested
Lipids and lipid-like molecules	5	0.8	6.51×	not tested
Organic oxygen compounds	4	1.4	2.91×	not tested
Nucleosides, nucleotides, and analogues	1	1.9	0.52×	not tested

enriched (q < 0.05)depleted (q < 0.05)not significantnot tested (expected < 5)

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
DB03556	PE5	2-(2-{2-[2-(2-{2-[2-(2-Ethoxy-Ethoxy)-Ethoxy]-Ethoxy}-Ethoxy)-Ethoxy]-Ethoxy}-Ethoxy)-Ethanol, Polyethyleneglycol Peg400	10
DB02451	BNG	B-nonylglucoside	4
DB14933	NNR	Nicotinamide riboside	3
DB02379	BGC	Beta-D-Glucose	2
DB03798	DCM	2'-Deoxycytidine-5'-Monophosphate	2

Most frequently bound compounds

PDB ligand	Name	Domains in contact
PE5	3,6,9,12,15,18,21,24-OCTAOXAHEXACOSAN-1-OL	11
OLC	(2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate	10
BNG	nonyl beta-D-glucopyranoside	4
MYS	PENTADECANE	3
NNR	Nicotinamide riboside	3
OLA	OLEIC ACID	3
BGC	beta-D-glucopyranose	2
DCM	2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE	2
MVC	MONOVACCENIN	2
OLB	(2S)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate	2
A1BM8	(5E)-5-({(5P)-5-[6-(4-acetylpiperazin-1-yl)-3-nitropyridin-2-yl]-2-fluorophenyl}methylidene)-1,3-thiazolidine-2,4-dione	1