X-group (possible homology)

1015 Insulin-induced gene (Insig) homologs

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Ligands and drugs

Member domains

with ligand contacts (≤ 4 Å)

6.2% of members

with DrugDomain annotations

5.2% of members

with a DrugBank compound

3.1% 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)

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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	0.25×observed / expected4×	Ratio	Significance
Hydrocarbons	1	0.0		73×	not tested
Lipids and lipid-like molecules	2	0.2		9.11×	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
DB02448	TDA	N-Tridecanoic Acid	1
DB02451	BNG	B-nonylglucoside	1
DB04705	HC3	25-Hydroxycholesterol	1

Most frequently bound compounds

PDB ligand	Name	Domains in contact
AJP	Digitonin	1
BNG	nonyl beta-D-glucopyranoside	1
CLR	CHOLESTEROL	1
D10	DECANE	1
HC3	25-HYDROXYCHOLESTEROL	1
LBR	(2S)-1-[(13-bromotridecanoyl)oxy]-3-hydroxypropan-2-yl tetradecanoate	1
TDA	N-TRIDECANOIC ACID	1