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- Table of Contents
Facts about FYVE, RhoGEF and PH domain-containing protein 4.
Activates CDC42, a Part of the Ras-like family of Rho- and Rac proteins, by exchanging bound GDP for free GTP.
Plays a role in regulating the actin cytoskeleton and cell shape.Activates MAPK8 (By similarity). .
| Human | |
|---|---|
| Gene Name: | FGD4 |
| Uniprot: | Q96M96 |
| Entrez: | 121512 |

| Belongs to: |
|---|
| No superfamily |

Actin filament-binding protein frabin; CMT4HFLJ42663; DKFZp313E1818; FGD1 family, member 4; frabin; FRABPDKFZp434K1572; FYVE, RhoGEF and PH domain containing 4; MGC57222; RhoGEF and PH domain-containing protein 4; ZFYVE6FLJ34370
Mass (kDA):
86.626 kDA

| Human | |
|---|---|
| Location: | 12p11.21 |
| Sequence: | 12; NC_000012.12 (32399523..32646050) |
Expressed in different tissues, including brain, cerebellum, peripheral nerve, skeletal muscle, heart, uterus, placenta and testis.
Cytoplasm, cytoskeleton. Cell projection, filopodium. Concentrated in filopodia and poorly detected at lamellipodia. Binds along the sides of actin fibers (By similarity).




PMID: 15133042 by Chen X.M., et al. Phosphatidylinositol 3-kinase and frabin mediate Cryptosporidium parvum cellular invasion via activation of Cdc42.
PMID: 17564959 by Delague V., et al. Mutations in FGD4 encoding the Rho GDP/GTP exchange factor FRABIN cause autosomal recessive Charcot-Marie-Tooth type 4H.