EcoDrugPlus


Synonyms	Gsk189254
Status
Molecule Category	Free-form
UNII	5T4TX6CO53


InChI Key	WROHEWWOCPRMIA-UHFFFAOYSA-N
Smiles	CNC(=O)c1ccc(Oc2ccc3c(c2)CCN(C2CCC2)CC3)nc1
InChI	InChI=1S/C21H25N3O2/c1-22-21(25)17-6-8-20(23-14-17)26-19-7-5-15-9-11-24(18-3-2-4-18)12-10-16(15)13-19/h5-8,13-14,18H,2-4,9-12H2,1H3,(H,22,25)

Property Name	Value
Molecular Formula	C21H25N3O2
Molecular Weight	351.45
AlogP	3.19
Hydrogen Bond Acceptor	4.0
Hydrogen Bond Donor	1.0
Number of Rotational Bond	4.0
Polar Surface Area	54.46
Molecular species	BASE
Aromatic Rings	2.0
Heavy Atoms	26.0

Mechanism of Action	Action	Reference
Histamine H3 receptor antagonist	ANTAGONIST	PubMed

Targets	EC50(nM)	IC50(nM)	Kd(nM)	Ki(nM)	Inhibition(%)
Ion channel Voltage-gated ion channel Potassium channels Voltage-gated potassium channel	-	-	-	-	36
Membrane receptor Family A G protein-coupled receptor Small molecule receptor (family A GPCR) Monoamine receptor Histamine receptor	-	0.55	-	0.12-2.63	-
Secreted protein	-	-	-	-	60

	EC50(nM)	IC50(nM)	Kd(nM)	Ki(nM)	Inhibition(%)
Homo sapiens	-	0.55	-	0.1259-0.26	36-60
Rattus norvegicus	-	-	-	0.631-2.63	-

Resources	Reference
ChEMBL	CHEMBL517140
FDA SRS	5T4TX6CO53
Guide to Pharmacology	10736
SureChEMBL	SCHEMBL169579
ZINC	ZINC000003961799

EcoDrug+ was developed under the PREMIER Innovative Medicines Initiative 2 Joint Undertaking (JU) under grant agreement No 875508. The JU receives support from the EU’s Horizon 2020 research and innovation programme and the European Federation of Pharmaceutical Industries and Associations (EFPIA). The views reflect only the authors’ perspective and the JU is not responsible for any use that may be made of the information EcoDrug+ contains.

Elements of EcoDrug+ were developed under the Biocenter Finland Drug Discovery and Chemical Biology network. CSC-IT Center for Science Ltd is thanked for providing computational resources. Credit is given to Ensembl for collecting species images (provided under public domain licences such as Wikimedia and NHGRI).

Content of EcoDrug+ is provided without guarantee for correctness.

Cite Us:

Ashenafi Legehar, Siobhán Monaghan, Mael Briand, Akseli Niemelä, Leo Ghemtio, Ziaurrehman Tanoli, A Ross Brown, Charles R Tyler, Henri Xhaard, EcoDrug PLUS: an advanced database for drug target conservation analysis and environmental risk assessment, Nucleic Acids Research, 2025, gkaf1251 Read...

This work is licensed under Creative Commons Attribution-ShareAlike 4.0 International License

Last update: Monday, 3 November 2025

GSK189254

Structure

Physicochemical Descriptors

Pharmacology

Target Conservation

Related Entries

Cross References


Protein: Histamine H3 receptor Description: Histamine H3 receptor Organism : Homo sapiens Q9Y5N1 ENSG00000101180