rs369533231

Variant summary

Our verdict is Pathogenic. The variant received 10 ACMG points: 10P and 0B. PVS1PM2

The NM_152536.4(FGD5):​c.4025C>A​(p.Ser1342*) variant causes a stop gained change. The variant allele was found at a frequency of 0.000000684 in 1,461,700 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

FGD5
NM_152536.4 stop_gained

Scores

3
3

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.96

Publications

0 publications found
Variant links:
Genes affected
FGD5 (HGNC:19117): (FYVE, RhoGEF and PH domain containing 5) Predicted to enable guanyl-nucleotide exchange factor activity and small GTPase binding activity. Predicted to be involved in several processes, including filopodium assembly; regulation of GTPase activity; and regulation of cell shape. Located in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]
FGD5-AS1 (HGNC:40410): (FGD5 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 10 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_152536.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
FGD5
NM_152536.4
MANE Select
c.4025C>Ap.Ser1342*
stop_gained
Exon 17 of 20NP_689749.3
FGD5
NM_001320276.2
c.4025C>Ap.Ser1342*
stop_gained
Exon 17 of 19NP_001307205.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
FGD5
ENST00000285046.10
TSL:1 MANE Select
c.4025C>Ap.Ser1342*
stop_gained
Exon 17 of 20ENSP00000285046.5Q6ZNL6-1
FGD5
ENST00000543601.5
TSL:1
c.3302C>Ap.Ser1101*
stop_gained
Exon 17 of 19ENSP00000445949.1B7ZM68
FGD5
ENST00000476851.1
TSL:1
n.1562C>A
non_coding_transcript_exon
Exon 14 of 17

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461700
Hom.:
0
Cov.:
34
AF XY:
0.00
AC XY:
0
AN XY:
727132
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53398
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
8.99e-7
AC:
1
AN:
1111864
Other (OTH)
AF:
0.00
AC:
0
AN:
60374
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.375
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.62
D
BayesDel_noAF
Pathogenic
0.65
CADD
Pathogenic
42
DANN
Uncertain
0.99
Eigen
Uncertain
0.65
Eigen_PC
Uncertain
0.47
FATHMM_MKL
Pathogenic
0.98
D
PhyloP100
5.0
Vest4
0.17
GERP RS
4.9
Mutation Taster
=4/196
disease causing (fs/PTC)

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs369533231; hg19: chr3-14965602; API