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- Table of Contents
Designing an IHC experiment for HTR4? The guide has the expected staining pattern, antigen retrieval and fixation, antibodies backed by real IHC images, the tissue controls to run alongside, and protocols taken from published papers.
Open the HTR4 IHC GuideFacts about 5-hydroxytryptamine receptor 4.
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| Human | |
|---|---|
| Gene Name: | HTR4 |
| Uniprot: | Q13639 |
| Entrez: | 3360 |

| Belongs to: |
|---|
| G-protein coupled receptor 1 family |

5HT4; 5-HT4; 5-HT-4; 5-HT4R; 5-hydroxytryptamine (serotonin) receptor 4,5-hydroxytryptamine receptor 4,5-HT45-hydroxytryptamine4 receptor; cardiac 5-HT4 receptor; HTR4; Serotonin receptor 4
Mass (kDA):
43.761 kDA

| Human | |
|---|---|
| Location: | 5q32 |
| Sequence: | 5; NC_000005.10 (148451032..148654527, complement) |
Isoform 5-HT4(A) is expressed in ileum, brain, and atrium, but not in the ventricle.
Cell membrane; Multi-pass membrane protein. Endosome. Interaction with SNX27 mediates recruitment to early endosomes, while interaction with SLC9A3R1 and EZR might target the protein to specialized subcellular regions, such as microvilli.






PMID: 9603189 by Blondel O., et al. Cloning, expression, and pharmacology of four human 5- hydroxytryptamine 4 receptor isoforms produced by alternative splicing in the carboxyl terminus.
PMID: 9351641 by Claeysen S., et al. Cloning and expression of human 5-HT4S receptors. Effect of receptor density on their coupling to adenylyl cyclase.