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- Table of Contents
Facts about Cubilin.
The binding of all ligands requires calcium. Serves as significant transporter in several absorptive epithelia, including intestine, renal proximal tubules and embryonic yolk sac.
Human | |
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Gene Name: | CUBN |
Uniprot: | O60494 |
Entrez: | 8029 |
Belongs to: |
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No superfamily |
cubilin; cubilin (intrinsic factor-cobalamin receptor); Cubilin; CUBN; Cubulin; gp280; IFCR; MGA1
Mass (kDA):
398.736 kDA
Human | |
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Location: | 10p13 |
Sequence: | 10; NC_000010.11 (16823966..17130492, complement) |
Expressed in kidney proximal tubule cells, placenta, visceral yolk-sac cells and in absorptive intestinal cells. Expressed in the epithelium of intestine and kidney.
Apical cell membrane; Peripheral membrane protein. Cell membrane; Peripheral membrane protein. Membrane, coated pit. Endosome. Lysosome membrane; Peripheral membrane protein. Lacks a transmembrane domain and depends on interaction with AMN for location at the plasma membrane (PubMed:29402915, PubMed:30523278). Colocalizes with AMN and LRP2 in the endocytotic apparatus of epithelial cells (By similarity).
PMID: 9572993 by Kozyraki R., et al. The human intrinsic factor-vitamin B12 receptor, cubilin: molecular characterization and chromosomal mapping of the gene to 10p within the autosomal recessive megaloblastic anemia (MGA1) region.
PMID: 10371504 by Kozyraki R., et al. The intrinsic factor-vitamin B12 receptor, cubilin, is a high- affinity apolipoprotein A-I receptor facilitating endocytosis of high- density lipoprotein.