ChEMBL ligand: CHEMBL946 (Azatadine, Optimine, Trinalin)
H1 receptor/Histamine H1 receptor in Rat [ChEMBL: CHEMBL4701] [GtoPdb: 262] [UniProtKB: P31390] There should be some charts here, you may need to enable JavaScript!
PAF receptor/Platelet activating factor receptor in Human [ChEMBL: CHEMBL250] [GtoPdb: 334] [UniProtKB: P25105] There should be some charts here, you may need to enable JavaScript!

DB	Assay description	Assay Type	Standard value	Standard parameter	Original value	Original units	Original parameter	Reference
H1 receptor/Histamine H1 receptor in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4701] [GtoPdb: 262] [UniProtKB: P31390]
ChEMBL	Binding affinity to histamine H1 receptor in rat brain membranes was evaluated using [3H]-pyrilamine as radioligand	B	8.41	pKi	3.9	nM	Ki	J Med Chem (1991) 34: 457-461 [PMID:1671420]
PAF receptor/Platelet activating factor receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL250] [GtoPdb: 334] [UniProtKB: P25105]
ChEMBL	Concentration required to cause 50% inhibition of platelet activating factor (PAF)-induced platelet aggregation of human platelet rich plasma when challenged with 25 nM PAF.	F	4.3	pIC50	>50000	nM	IC50	J Med Chem (1991) 34: 457-461 [PMID:1671420]

ChEMBL data shown on this page come from version 32:

Mendez D, Gaulton A, Bento AP, Chambers J, De Veij M, Félix E, Magariños MP, Mosquera JF, Mutowo P, Nowotka M, Gordillo-Marañón M, Hunter F, Junco L, Mugumbate G, Rodriguez-Lopez M, Atkinson F, Bosc N, Radoux CJ, Segura-Cabrera A, Hersey A, Leach AR. (2019) 'ChEMBL: towards direct deposition of bioassay data' Nucleic Acids Res., 47(D1). DOI: 10.1093/nar/gky1075. [EPMCID:30398643]
Davies M, Nowotka M, Papadatos G, Dedman N, Gaulton A, Atkinson F, Bellis L, Overington JP. (2015) 'ChEMBL web services: streamlining access to drug discovery data and utilities.' Nucleic Acids Res., 43(W1). DOI: 10.1093/nar/gkv352. [EPMCID:25883136]