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- Table of Contents
Facts about RAS guanyl-releasing protein 4.
.
| Human | |
|---|---|
| Gene Name: | RASGRP4 |
| Uniprot: | Q8TDF6 |
| Entrez: | 115727 |

| Belongs to: |
|---|
| RASGRP family |

guanyl nucleotide releasing protein 4; RAS guanyl releasing protein 4; RAS guanyl-releasing protein 4
Mass (kDA):
74.882 kDA

| Human | |
|---|---|
| Location: | 19q13.2 |
| Sequence: | 19; NC_000019.10 (38409055..38426305, complement) |
Expressed by mast cells and their progenitors (at protein level). Specifically expressed in mononuclear leukocytes. Highly expressed in myeloid cells compared to lymphoid cells. Also detected in heart, skeletal muscle, spleen, liver, placenta and lung. Not detected in brain. Isoform 1 is the major isoform in normal individuals. Isoform 2 is more significantly expressed in a patient with asthma. Isoform 3 is more significantly expressed in a patient with asthma and a mastocytosis patient.
Cytoplasm. Cell membrane. Recruited to membranes upon activation by DAG.





PMID: 11880369 by Reuther G.W., et al. RasGRP4 is a novel Ras activator isolated from acute myeloid leukemia.
PMID: 21933395 by Hashimoto T., et al. Aberrant splicing of the hRasGRP4 transcript and decreased levels of this signaling protein in the peripheral blood mononuclear cells in a subset of patients with rheumatoid arthritis.