rs746263549
Variant summary
Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_ModerateBP6_ModerateBP7
The NM_001370298.3(FGD4):c.1605G>A(p.Glu535=) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,816 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).
Frequency
Genomes: not found (cov: 33)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
FGD4
NM_001370298.3 splice_region, synonymous
NM_001370298.3 splice_region, synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -0.180
Genes affected
FGD4 (HGNC:19125): (FYVE, RhoGEF and PH domain containing 4) 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]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -3 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.4).
BP6
?
Variant 12-32611139-G-A is Benign according to our data. Variant chr12-32611139-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 543456.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
?
Synonymous conserved (PhyloP=-0.18 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
FGD4 | NM_001370298.3 | c.1605G>A | p.Glu535= | splice_region_variant, synonymous_variant | 10/17 | ENST00000534526.7 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
FGD4 | ENST00000534526.7 | c.1605G>A | p.Glu535= | splice_region_variant, synonymous_variant | 10/17 | 5 | NM_001370298.3 |
Frequencies
GnomAD3 genomes ? Cov.: 33
GnomAD3 genomes
?
Cov.:
33
GnomAD3 exomes AF: 0.00000398 AC: 1AN: 251326Hom.: 0 AF XY: 0.00000736 AC XY: 1AN XY: 135866
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GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461816Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1AN XY: 727204
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GnomAD4 genome ? Cov.: 33
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33
ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Charcot-Marie-Tooth disease type 4 Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Sep 13, 2017 | - - |
Computational scores
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BayesDel_noAF
Benign
Cadd
Benign
Dann
Benign
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at