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- Table of Contents
2 Citations 7 Q&As
Facts about Klotho.
May be involved in the regulation of calcium and phosphorus homeostasis by inhibiting the synthesis of vitamin D (By similarity). Essential element for the particular interaction between FGF23 and FGFR1 (By similarity).
| Human | |
|---|---|
| Gene Name: | KL |
| Uniprot: | Q9UEF7 |
| Entrez: | 9365 |

| Belongs to: |
|---|
| glycosyl hydrolase 1 family |

EC 3.2.1; EC 3.2.1.31; KL; Klotho
Mass (kDA):
116.181 kDA

| Human | |
|---|---|
| Location: | 13q13.1 |
| Sequence: | 13; NC_000013.11 (33016063..33066143) |
Present in cortical renal tubules (at protein level). Soluble peptide is present in serum and cerebrospinal fluid. Expressed in kidney, placenta, small intestine and prostate. Down-regulated in renal cell carcinomas, hepatocellular carcinomas, and in chronic renal failure kidney.
[Isoform 1]: Cell membrane; Single-pass type I membrane protein. Apical cell membrane; Single-pass type I membrane protein. Isoform 1 shedding leads to a soluble peptide.; [Isoform 2]: Secreted.; [Klotho peptide]: Secreted.




PMID: 9363890 by Kuro-o M., et al. Mutation of the mouse klotho gene leads to a syndrome resembling ageing.
PMID: 9464267 by Matsumura Y., et al. Identification of the human klotho gene and its two transcripts encoding membrane and secreted klotho protein.
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