R3/I5- SmBiT   Click here for help

GtoPdb Ligand ID: 11911

 Ligand is labelled
Comment: R3/I5-SmBiT is a modified analogue of the RXFP3/4 peptide agonist R3/I5, to which a low-affinity small complementation tag (SmBiT) is ligated to the A-chain N terminus [1]. It is used in a NanoLuc complementation assay (NanoBiT) to monitor receptor-ligand interaction.
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Selectivity at GPCRs
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
RXFP3 Hs Agonist Agonist 9.2 pKd - 1
pKd 9.2 [1]