X-group (possible homology)

633 Bromodomain-like

Ligands and drugs

10,921
Member domains
4,394
with ligand contacts (≤ 4 Å)
40.2% of members
4,398
with DrugDomain annotations
40.3% of members
1,912
with a DrugBank compound
17.5% 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.

225
Proteins with classified ligands
15
Superclasses bound (of 23)
10.0
Superclasses per 20 proteins
broader than 94% of the 256 X-groups with enough proteins to compare (median 7.6)

The raw number of superclasses rises with the number of proteins sampled; the per-20 value compares X-groups at equal depth.

SuperclassProteinsExpected
0.25×observed / expected4×
RatioSignificance
Benzenoids3116.21.91×q = 1.6e-3
Nucleosides, nucleotides, and analogues11561.31.88×q < 0.0001
Organoheterocyclic compounds6334.11.84×q < 0.0001
Organic nitrogen compounds127.11.70×q = 0.12
Lipids and lipid-like molecules3624.71.46×q = 0.04
Homogeneous non-metal compounds4347.80.90×q = 0.54
Organic acids and derivatives2834.30.82×q = 0.34
Organic oxygen compounds2744.20.61×q = 6.7e-3
Homogeneous metal compounds61108.90.56×q < 0.0001
Organohalogen compounds50.67.91×not tested
Organic 1,3-dipolar compounds10.25.39×not tested
Hydrocarbon derivatives10.25.25×not tested
Organosulfur compounds74.61.53×not tested
Phenylpropanoids and polyketides64.61.30×not tested
Hydrocarbons11.60.65×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

DrugBankPDB ligandNameDomains
DB03147FADFLAVIN-ADENINE DINUCLEOTIDE371
DB03247FMNFLAVIN MONONUCLEOTIDE339
DB00157NAI1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE94
DB01992COACOENZYME A33
DB03690PCW1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE25
DB03796PLMPALMITIC ACID24
DB16107R784-{[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-5,6,7,8-tetrahydropteridin-2-yl]amino}-3-methoxy-N-(1-methylpiperidin-4-yl)benzamide24
DB00171ATPADENOSINE-5'-TRIPHOSPHATE20
DB04036COSCOENZYME A PERSULFIDE19
DB00142GLUGLUTAMIC ACID17
DB14128NADNICOTINAMIDE-ADENINE-DINUCLEOTIDE15
DB08610TF3N-(2-AMINOETHYL)-2-{3-CHLORO-4-[(4-ISOPROPYLBENZYL)OXY]PHENYL} ACETAMIDE12
DB12521MB31-methylpyrrolidin-2-one11
DB03059CAAACETOACETYL-COENZYME A9
DB08689UQ1UBIQUINONE-18
DB19199HWVN-ethyl-4-[2-(4-fluoro-2,6-dimethylphenoxy)-5-(2-hydroxypropan-2-yl)phenyl]-6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridine-2-carboxamide8
DB00316TYLN-(4-HYDROXYPHENYL)ACETAMIDE (TYLENOL)7
DB03760REDDIHYDROLIPOIC ACID7
DB04417NPOP-NITROPHENOL7
DB04532INDINDOLE7

Most frequently bound compounds

PDB ligandNameDomains in contact
NAmetalSODIUM ION663
FADFLAVIN-ADENINE DINUCLEOTIDE361
FMNFLAVIN MONONUCLEOTIDE332
SF4IRON/SULFUR CLUSTER324
ZNmetalZINC ION230
CLCHLORIDE ION152
NAI1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE81
FEmetalFE (III) ION54
FDADIHYDROFLAVINE-ADENINE DINUCLEOTIDE42
POV(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate42
MGmetalMAGNESIUM ION35
CAmetalCALCIUM ION34
COACOENZYME A32
KmetalPOTASSIUM ION32
PLMPALMITIC ACID26
IODIODIDE ION24
PCW1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE24
R784-{[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-5,6,7,8-tetrahydropteridin-2-yl]amino}-3-methoxy-N-(1-methylpiperidin-4-yl)benzamide24
CU1metalCOPPER (I) ION23
UNXUNKNOWN ATOM OR ION23