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- Table of Contents
Facts about Polycystin-2.
Functions as outward-rectifying K(+) channel, but is also permeable to Ca(2+), and to a much lesser degree also to Na(+) (PubMed:11854751, PubMed:15692563, PubMed:27071085, PubMed:27991905). May contribute to the release of Ca(2+) stores in the endoplasmic reticulum (PubMed:11854751, PubMed:20881056).
Human | |
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Gene Name: | PKD2 |
Uniprot: | Q13563 |
Entrez: | 5311 |
Belongs to: |
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polycystin family |
APKD2; Autosomal dominant polycystic kidney disease type II protein; MGC138466; MGC138468; PC2; Pc-2; PKD4; polycystic kidney disease 2 (autosomal dominant); Polycystic kidney disease 2 protein; polycystin-2; polycystwin; R48321; transient receptor potential cation channel, subfamily P, member 2; TRPP2
Mass (kDA):
109.691 kDA
Human | |
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Location: | 4q22.1 |
Sequence: | 4; NC_000004.12 (88007635..88077779) |
Detected in fetal and adult kidney (PubMed:10770959). Detected at the thick ascending limb of the loop of Henle, at distal tubules, including the distal convoluted tubule and cortical collecting tubules, with weak staining of the collecting duct (PubMed:10770959). Detected on placenta syncytiotrophoblasts (at protein level) (PubMed:26269590). Strongly expressed in ovary, fetal and adult kidney, testis, and small intestine. Not detected in peripheral leukocytes.
Cell projection, cilium membrane; Multi-pass membrane protein. Endoplasmic reticulum membrane; Multi-pass membrane protein. Cell membrane; Multi-pass membrane protein. Basolateral cell membrane. Cytoplasmic vesicle membrane. Golgi apparatus. PKD2 localization to the plasma and ciliary membranes requires PKD1. PKD1:PKD2 interaction is required to reach the Golgi apparatus form endoplasmic reticulum and then traffic to the cilia (By similarity). Retained in the endoplasmic reticulum by interaction with PACS1 and PACS2 (PubMed:15692563). Detected on kidney tubule basolateral membranes and basal c
PMID: 8650545 by Mochizuki T., et al. PKD2, a gene for polycystic kidney disease that encodes an integral membrane protein.
PMID: 9286709 by Hayashi T., et al. Characterization of the exon structure of the polycystic kidney disease 2 gene (PKD2).