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This gene encodes a protein that is involved in the regulation of the actin cytoskeleton and cell shape. This protein contains an actin filament-binding domain, which together with its Dbl homology domain and one of its pleckstrin homology domains, can form microspikes. This protein can activate MAPK8 independently of the actin filament-binding domain, and it is also involved in the activation of CDC42 via the exchange of bound GDP for free GTP. The activation of CDC42 also enables this protein to play a role in mediating the cellular invasion of Cryptosporidium parvum, an intracellular parasite that infects the gastrointestinal tract. Mutations in this gene can cause Charcot-Marie-Tooth disease type 4H (CMT4H), a disorder of the peripheral nervous system. Multiple alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2015]
FGD4 (FYVE, RhoGEF And PH Domain Containing 4) is a Protein Coding gene. Diseases associated with FGD4 include Charcot-Marie-Tooth Disease, Type 4H and Neuropathy, Congenital Hypomyelinating, 1, Autosomal Recessive. Among its related pathways are Signaling by GPCR and p75 NTR receptor-mediated signalling. Gene Ontology (GO) annotations related to this gene include actin binding and Rho guanyl-nucleotide exchange factor activity. An important paralog of this gene is FGD1.
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0003779 | actin binding | IEA | -- |
GO:0005085 | guanyl-nucleotide exchange factor activity | IEA,ISS | -- |
GO:0031267 | small GTPase binding | ISS | -- |
GO:0046872 | metal ion binding | IEA | -- |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0001726 | ruffle | ISS | -- |
GO:0005737 | cytoplasm | IEA,ISS | -- |
GO:0005794 | Golgi apparatus | ISS | -- |
GO:0005829 | cytosol | TAS | -- |
GO:0005856 | cytoskeleton | IEA | -- |
SuperPathway | Contained pathways | ||
---|---|---|---|
1 | p75 NTR receptor-mediated signalling |
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2 | Signaling by GPCR | ||
3 | Signaling by Rho GTPases | ||
4 | RET signaling | ||
5 | G-protein signaling_Regulation of CDC42 activity |
G-protein signaling_Regulation of CDC42 activity
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|
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0007010 | cytoskeleton organization | ISS | -- |
GO:0007186 | G protein-coupled receptor signaling pathway | TAS | -- |
GO:0008360 | regulation of cell shape | ISS | -- |
GO:0030036 | actin cytoskeleton organization | ISS | -- |
GO:0043065 | positive regulation of apoptotic process | TAS | -- |
ExUns: | 1a | · | 1b | · | 1c | ^ | 2 | ^ | 3 | ^ | 4 | ^ | 5a | · | 5b | · | 5c | ^ | 6 | ^ | 7 | ^ | 8 | ^ | 9 | ^ | 10 | ^ | 11 | ^ | 12 | ^ | 13 | ^ | 14 | ^ | 15 | ^ | 16 | ^ | 17 | ^ | 18a | · | 18b | ^ | 19 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SP1: | - | - | - | ||||||||||||||||||||||||||||||||||||||||||||
SP2: | - | ||||||||||||||||||||||||||||||||||||||||||||||
SP3: | - | - | |||||||||||||||||||||||||||||||||||||||||||||
SP4: | - |
This gene was present in the common ancestor of animals.
Organism | Taxonomy | Gene | Similarity | Type | Details |
---|---|---|---|---|---|
Chimpanzee (Pan troglodytes) |
Mammalia | FGD4 30 31 |
|
OneToOne | |
Cow (Bos Taurus) |
Mammalia | FGD4 30 31 |
|
OneToOne | |
Dog (Canis familiaris) |
Mammalia | FGD4 30 31 |
|
OneToOne | |
Mouse (Mus musculus) |
Mammalia | Fgd4 30 17 31 |
|
OneToOne | |
Rat (Rattus norvegicus) |
Mammalia | Fgd4 30 |
|
||
Platypus (Ornithorhynchus anatinus) |
Mammalia | FGD4 31 |
|
OneToOne | |
Oppossum (Monodelphis domestica) |
Mammalia | FGD4 31 |
|
OneToOne | |
Chicken (Gallus gallus) |
Aves | FGD4 31 |
|
OneToOne | |
Lizard (Anolis carolinensis) |
Reptilia | FGD4 31 |
|
OneToOne | |
Tropical Clawed Frog (Silurana tropicalis) |
Amphibia | fgd4 30 |
|
||
Zebrafish (Danio rerio) |
Actinopterygii | fgd4a 30 31 |
|
OneToMany | |
CABZ01078314.1 31 |
|
OneToMany | |||
Fruit Fly (Drosophila melanogaster) |
Insecta | RhoGEF4 31 |
|
ManyToMany | |
Worm (Caenorhabditis elegans) |
Secernentea | exc-5 31 |
|
OneToMany | |
Sea Squirt (Ciona savignyi) |
Ascidiacea | CSA.6211 31 |
|
OneToMany |
SNP ID | Clinical significance and condition | Chr 12 pos | Variation | AA Info | Type |
---|---|---|---|---|---|
835639 | Uncertain Significance: Charcot-Marie-Tooth disease type 4 | 32,582,264(+) |
G/A NM_139241.3(FGD4):c.397G>A (p.Asp133Asn) |
MISSENSE_VARIANT,FIVE_PRIME_UTR_VARIANT,INTRON | |
836490 | Pathogenic: Charcot-Marie-Tooth disease type 4 | 32,598,509(+) |
C/T NM_139241.3(FGD4):c.613C>T (p.Gln205Ter) |
NONSENSE,FIVE_PRIME_UTR | |
838462 | Uncertain Significance: Charcot-Marie-Tooth disease type 4 | 32,608,043(+) |
G/T NM_139241.3(FGD4):c.1080G>T (p.Lys360Asn) |
MISSENSE | |
839901 | Uncertain Significance: Charcot-Marie-Tooth disease type 4 | 32,582,440(+) |
G/T NM_139241.3(FGD4):c.573G>T (p.Glu191Asp) |
MISSENSE_VARIANT,FIVE_PRIME_UTR_VARIANT,INTRON | |
847739 | Uncertain Significance: Charcot-Marie-Tooth disease type 4 | 32,625,052(+) |
T/G NM_139241.3(FGD4):c.1619T>G (p.Ile540Ser) |
MISSENSE |
Variant ID | Type | Subtype | PubMed ID |
---|---|---|---|
esv2751096 | CNV | gain | 17911159 |
esv3382704 | CNV | insertion | 20981092 |
esv3581449 | CNV | gain | 25503493 |
esv3629083 | CNV | loss | 21293372 |
esv3629084 | CNV | loss | 21293372 |
esv3629085 | CNV | gain | 21293372 |
nsv1122716 | CNV | deletion | 24896259 |
nsv473072 | CNV | novel sequence insertion | 20440878 |
nsv527786 | CNV | gain | 19592680 |
nsv951347 | CNV | duplication | 24416366 |
Disorder | Aliases | PubMed IDs |
---|---|---|
charcot-marie-tooth disease, type 4h |
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neuropathy, congenital hypomyelinating, 1, autosomal recessive |
|
|
tooth disease |
|
|
charcot-marie-tooth disease |
|
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aarskog-scott syndrome |
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