General Information of the Protein
Protein ID
PT03665
Protein Name
Histamine H3 receptor
Gene Name
HRH3
Sequence
MERAPPDGLMNASGALAGEAAAAGGARGFSAAWTAVLAALMALLIVATVLGNALVMLAFVADSSLRTQNNFFLLNLAISDFLVGAFCIPLYVPYVLTGRWTFGRGLCKLWLVVDYLLCASSVFNIVLISYDRFLSVTRAVSYRAQQGDTRRAVRKMALVWVLAFLLYGPAILSWEYLSGGSSIPEGHCYAEFFYNWYFLITASTLEFFTPFLSVTFFNLSIYLNIQRRTRLRLDGGREAGPEPPPDAQPSPPPAPPSCWGCWPKGHGEAMPLHRYGVGEAGPGVETGEAGLGGGSGGGAAASPTSSSGSSSRGTERPRSLKRGSKPSASSASLEKRMKMVSQSITQRFRLSRDKKVAKSLAIIVSIFGLCWAPYTLLMIIRAACHGHCVPDYWYETSFWLLWANSAVNPVLYPLCHYSFRRAFTKLLCPQKLKVQPHGSLEQCWK
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Organism
Mus musculus, Mouse
Protein Classification
Membrane receptor
>
Family A G protein-coupled receptor
>
Small molecule receptor (family A GPCR)
>
Monoamine receptor
>
Histamine receptor
Function
The H3 subclass of histamine receptors could mediate the histamine signals in CNS and peripheral nervous system. Signals through the inhibition of adenylate cyclase and displays high constitutive activity (spontaneous activity in the absence of agonist) (By similarity).
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Uniprot ID
P58406
Subcellular Location
Cell membrane
Map of Molecular Bioactivity Related to the Protein
Map of Molecular Bioactivity Related to the Protein

Protein
Cell Line
Compound

Bioactivity Value:

<= 0.1 μM
> 0.1 μM and <= 10 μM
> 10 μM
Imprecise Activity
Table of Molecular Bioactivities Related to the Protein
Cell Line ID: CL000006 , HEK293
Compound ID Compound Name Compound Formula
CP0041493
Clobenpropit
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C14H17ClN4S
 2
1
EC50 = 1.7 nM
   TI
   LI
   LO
   TS
2
Ki = 0.6 nM
   TI
   LI
   LO
   TS
CP0102830
3-methyl-2-(4-(3-(pyrrolidin-1-yl)propoxy)phenyl)quinazolin-4(3H)-one
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C22H25N3O2
 2
1
EC50 = 9.6 nM
   TI
   LI
   LO
   TS
2
Ki = 2.4 nM
   TI
   LI
   LO
   TS
CP0044460
N-cyclohexyl-4-(1H-imidazol-5-yl)piperidine-1-carbothioamide
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C15H24N4S
 2
1
EC50 = 11 nM
   TI
   LI
   LO
   TS
2
Ki = 4.8 nM
   TI
   LI
   LO
   TS
CP0947399
3-([1,1,1-(3)H]methyl)-2-(4-{[3-(1-pyrrolidinyl)propyl]oxy}phenyl)-4(3H)-quinazolinone
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C22H25N3O2
 1
1
Kd = 2.6 nM
   TI
   LI
   LO
   TS
CP0098027
2-(3H-imidazol-4-yl)ethylsulfanylmethanimidamide
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C6H10N4S
 1
1
Ki = 2 nM
   TI
   LI
   LO
   TS
CP0061272
N(alpha)-Methylhistamine
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C6H11N3
 1
1
Ki = 19 nM
   TI
   LI
   LO
   TS
CP0036920
2-(1H-imidazol-4-yl)ethan-1-amine
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C5H9N3
 1
1
Ki = 68 nM
   TI
   LI
   LO
   TS
Similar Protein(s) and Bioactivity Statistics
90% Identity
Protein ID Protein Name Protein Organism
PT01173 Histamine H3 receptor Rattus norvegicus, Rat