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- Table of Contents
Facts about Dedicator of cytokinesis protein 4.
Functions as a guanine nucleotide exchange factor (GEF), which activates Rap1 small GTPase by exchanging bound GDP for free GTP. .
| Human | |
|---|---|
| Gene Name: | DOCK4 |
| Uniprot: | Q8N1I0 |
| Entrez: | 9732 |

| Belongs to: |
|---|
| DOCK family |

dedicator of cytokinesis 4; dedicator of cytokinesis protein 4; KIAA0716FLJ34238; MGC134911; MGC134912
Mass (kDA):
225.206 kDA

| Human | |
|---|---|
| Location: | 7q31.1 |
| Sequence: | 7; NC_000007.14 (111726110..112206399, complement) |
Widely expressed at low level. Highly expressed in skeletal muscle, prostate and ovary.
Cell membrane. Cell projection. Cytoplasm, cytosol. Colocalizes with EPHA2, RhoG and CTTN/cortactin at the tip of protrusions in migrating cells.




PMID: 12628187 by Yajnik V., et al. DOCK4, a GTPase activator, is disrupted during tumorigenesis.
PMID: 12432077 by Cote J.-F., et al. Identification of an evolutionarily conserved superfamily of DOCK180- related proteins with guanine nucleotide exchange activity.