X-54469996-C-T

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_004463.3(FGD1):​c.1101+20G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000401 in 1,195,723 control chromosomes in the GnomAD database, including 1 homozygotes. There are 17 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.00023 ( 1 hom., 8 hem., cov: 22)
Exomes 𝑓: 0.000021 ( 0 hom. 9 hem. )

Consequence

FGD1
NM_004463.3 intron

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -1.58
Variant links:
Genes affected
FGD1 (HGNC:3663): (FYVE, RhoGEF and PH domain containing 1) This gene encodes a protein that contains Dbl (DH) and pleckstrin (PH) homology domains and is similar to the Rho family of small GTP-binding proteins. The encoded protein specifically binds to the Rho family GTPase Cdc42Hs and can stimulate the GDP-GTP exchange of the isoprenylated form of Cdc42Hs. It also stimulates the mitogen activated protein kinase cascade leading to c-Jun kinase SAPK/JNK1 activation. Defects in this gene are the cause of the faciogenital dysplasia in Aarskog-Scott syndrome and a syndromatic form of X-linked cognitive disability. [provided by RefSeq, Jul 2017]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.94).
BP6
Variant X-54469996-C-T is Benign according to our data. Variant chrX-54469996-C-T is described in ClinVar as [Benign]. Clinvar id is 1916014.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.000225 (25/110879) while in subpopulation AFR AF= 0.000721 (22/30519). AF 95% confidence interval is 0.000487. There are 1 homozygotes in gnomad4. There are 8 alleles in male gnomad4 subpopulation. Median coverage is 22. This position pass quality control queck.
BS2
High Hemizygotes in GnomAd4 at 8 XL gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FGD1NM_004463.3 linkuse as main transcriptc.1101+20G>A intron_variant ENST00000375135.4 NP_004454.2 P98174A0A024R9Y5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FGD1ENST00000375135.4 linkuse as main transcriptc.1101+20G>A intron_variant 1 NM_004463.3 ENSP00000364277.3 P98174

Frequencies

GnomAD3 genomes
AF:
0.000226
AC:
25
AN:
110827
Hom.:
1
Cov.:
22
AF XY:
0.000242
AC XY:
8
AN XY:
33031
show subpopulations
Gnomad AFR
AF:
0.000722
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000379
Gnomad OTH
AF:
0.000667
GnomAD3 exomes
AF:
0.0000498
AC:
9
AN:
180553
Hom.:
0
AF XY:
0.0000303
AC XY:
2
AN XY:
66075
show subpopulations
Gnomad AFR exome
AF:
0.000693
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000212
AC:
23
AN:
1084844
Hom.:
0
Cov.:
30
AF XY:
0.0000256
AC XY:
9
AN XY:
351966
show subpopulations
Gnomad4 AFR exome
AF:
0.000611
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000559
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000657
GnomAD4 genome
AF:
0.000225
AC:
25
AN:
110879
Hom.:
1
Cov.:
22
AF XY:
0.000242
AC XY:
8
AN XY:
33093
show subpopulations
Gnomad4 AFR
AF:
0.000721
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000379
Gnomad4 OTH
AF:
0.000658
Alfa
AF:
0.0000873
Hom.:
4
Bravo
AF:
0.000174

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpDec 16, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.94
CADD
Benign
0.035
DANN
Benign
0.60

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs146079207; hg19: chrX-54496429; API