X-group (possible homology)

4295 Acetoacetate decarboxylase-like

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Ligands and drugs

103

Member domains

with ligand contacts (≤ 4 Å)

31.1% of members

with DrugDomain annotations

31.1% of members

with a DrugBank compound

21.4% 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
Benzenoids	1	0.3	3.47×	not tested
Organic acids and derivatives	2	0.6	3.28×	not tested
Organic oxygen compounds	2	0.8	2.55×	not tested
Organoheterocyclic compounds	1	0.6	1.65×	not tested
Homogeneous non-metal compounds	1	0.9	1.18×	not tested
Homogeneous metal compounds	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
DB00119	PYR	Pyruvic acid	6
DB04332	ETE	2-{2-[2-2-(Methoxy-Ethoxy)-Ethoxy]-Ethoxy}-Ethanol	3

Most frequently bound compounds

PDB ligand	Name	Domains in contact
PYR	PYRUVIC ACID	6
CL	CHLORIDE ION	4
J6S	(3E,5E)-6-(4-nitrophenyl)-2-oxohexa-3,5-dienoic acid	4
Kmetal	POTASSIUM ION	4
NAmetal	SODIUM ION	4
PNH	pentan-2-one	4
ETE	2-{2-[2-2-(METHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL	3
4IC	(3E)-4-(1H-imidazol-4-yl)but-3-enoic acid	2
ECD	(4R)-4-(2-carboxyethyl)imidazolidin-2-iminium	2