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4 Citations 1 Q&As
Facts about Mast/stem cell growth factor receptor Kit.
Phosphorylates PIK3R1, PLCG1, SH2B2/APS and CBL. Activates the AKT1 signaling pathway by phosphorylation of PIK3R1, the regulatory subunit of phosphatidylinositol 3-kinase.
| Human | |
|---|---|
| Gene Name: | KIT |
| Uniprot: | P10721 |
| Entrez: | 3815 |

| Belongs to: |
|---|
| protein kinase superfamily |

CD117 antigen; CD117; ckit; c-kit; EC 2.7.10; EC 2.7.10.1; KIT; PBT; piebald trait; Proto-oncogene c-Kit; proto-oncogene tyrosine-protein kinase Kit; SCF R; SCFR; SCFRmast/stem cell growth factor receptor; soluble KIT variant 1; Tyrosine-protein kinase Kit; v-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene homolog; v-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene-like protein
Mass (kDA):
109.865 kDA

| Human | |
|---|---|
| Location: | 4q12 |
| Sequence: | 4; NC_000004.12 (54657928..54740715) |
Isoform 1 and isoform 2 are detected in spermatogonia and Leydig cells. Isoform 3 is detected in round spermatids, elongating spermatids and spermatozoa (at protein level). Widely expressed. Detected in the hematopoietic system, the gastrointestinal system, in melanocytes and in germ cells.
[Isoform 1]: Cell membrane; Single-pass type I membrane protein.; [Isoform 2]: Cell membrane; Single-pass type I membrane protein.; [Isoform 3]: Cytoplasm. Detected in the cytoplasm of spermatozoa, especially in the equatorial and subacrosomal region of the sperm head.




PMID: 2448137 by Yarden Y., et al. Human proto-oncogene c-kit: a new cell surface receptor tyrosine kinase for an unidentified ligand.
PMID: 1279499 by Giebel L.B., et al. Organization and nucleotide sequence of the human KIT (mast/stem cell growth factor receptor) proto-oncogene.
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