X-group (possible homology)

3246 Disulfide-rich domain in A Disintegrin And Metalloprotease (ADAM) domain-containing proteins

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Ligands and drugs

570

Member domains

with ligand contacts (≤ 4 Å)

6.0% of members

with DrugDomain annotations

4.6% of members

with a DrugBank compound

2.3% 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
Organic oxygen compounds	4	1.2	3.40×	not tested
Benzenoids	1	0.4	2.31×	not tested
Organoheterocyclic compounds	1	0.9	1.10×	not tested
Organic acids and derivatives	1	0.9	1.09×	not tested
Homogeneous metal compounds	2	2.9	0.69×	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
DB00141	NAG	N-Acetylglucosamine	7
DB00786	097	Marimastat	1
DB02046	—	N-[(Furan-2-Yl)Carbonyl]-(S)-Leucyl-(R)-[1-Amino-2(1h-Indol-3-Yl)Ethyl]-Phosphonic Acid	1
DB02215	—	Furoyl-Leucine	1
DB02255	—	Ilomastat	1
DB02996	—	—	1
DB03088	—	Pidolic acid	1
DB03880	—	Batimastat	1
DB04473	FUC	alpha-L-fucose	1
DB08733	—	(2R,3R)-N^1^-[(1S)-2,2-DIMETHYL-1-(METHYLCARBAMOYL)PROPYL]-N^4^-HYDROXY-2-(2-METHYLPROPYL)-3-{[(1,3-THIAZOL-2-YLCARBONYL)AMINO]METHYL}BUTANEDIAMIDE	1

Most frequently bound compounds

PDB ligand	Name	Domains in contact
NAG	2-acetamido-2-deoxy-beta-D-glucopyranose	18
NImetal	NICKEL (II) ION	8
MGmetal	MAGNESIUM ION	7
CDmetal	CADMIUM ION	5
886	N-({4'-[(4-isobutyrylphenoxy)methyl]biphenyl-4-yl}sulfonyl)-D-valine	1
CAmetal	CALCIUM ION	1
CL	CHLORIDE ION	1
QGF	N-[(2S,4S)-1-({4-[(2,4-dichlorobenzyl)oxy]piperidin-1-yl}sulfonyl)-4-(5-fluoropyrimidin-2-yl)-2-methylpentan-2-yl]-N-hydroxyformamide	1
QHF	N-[(2S,4S)-1-({4-[2-(3,5-dimethyl-1,2-oxazol-4-yl)ethyl]piperidin-1-yl}sulfonyl)-4-(5-fluoropyrimidin-2-yl)-2-methylpentan-2-yl]-N-hydroxyformamide	1