Protein
Substance-P receptor
Organism
Rattus norvegicus
Function
This is a receptor for the tachykinin neuropeptide substance P. It is probably associated with G proteins that activate a phosphatidylinositol-calcium second messenger system. The rank order of affinity of this receptor to tachykinins is: substance P > substance K > neuromedin-K.
Similarity
Belongs to the G-protein coupled receptor 1 family.
Sequence
MDNVLPMDSDLFPNISTNTSESNQFVQPTWQIVLWAAAYTVIVVTSVVGNVVVIWIILAHKRMRTVTNYFLVNLAFAEACMAAFNTVVNFTYAVHNVWYYGLFYCKFHNFFPIAALFASIYSMTAVAFDRYMAIIHPLQPRLSATATKVVIFVIWVLALLLAFPQGYYSTTETMPSRVVCMIEWPEHPNRTYEKAYHICVTVLIYFLPLLVIGYAYTVVGITLWASEIPGDSSDRYHEQVSAKRKVVKMMIVVVCTFAICWLPFHVFFLLPYINPDLYLKKFIQQVYLASMWLAMSSTMYNPIIYCCLNDRFRLGFKHAFRCCPFISAGDYEGLEMKSTRYLQTQSSVYKVSRLETTISTVVGAHEEEPEEGPKATPSSLDLTSNGSSRSNSKTMTESSSFYSNMLA