chr20-6075642-C-T

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBS1_Supporting

The NM_017671.5(FERMT1):​c.*1531G>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000729 in 152,164 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00073 ( 1 hom., cov: 32)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

FERMT1
NM_017671.5 3_prime_UTR

Scores

2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.65
Variant links:
Genes affected
FERMT1 (HGNC:15889): (FERM domain containing kindlin 1) This gene encodes a member of the fermitin family, and contains a FERM domain and a pleckstrin homology domain. The encoded protein is involved in integrin signaling and linkage of the actin cytoskeleton to the extracellular matrix. Mutations in this gene have been linked to Kindler syndrome. [provided by RefSeq, Dec 2009]

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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=-0.86).
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.000729 (111/152164) while in subpopulation AFR AF= 0.00219 (91/41514). AF 95% confidence interval is 0.00183. There are 1 homozygotes in gnomad4. There are 48 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FERMT1NM_017671.5 linkuse as main transcriptc.*1531G>A 3_prime_UTR_variant 15/15 ENST00000217289.9 NP_060141.3
FERMT1XM_024451935.2 linkuse as main transcriptc.*1531G>A 3_prime_UTR_variant 15/15 XP_024307703.1
FERMT1XM_047440259.1 linkuse as main transcriptc.*1531G>A 3_prime_UTR_variant 15/15 XP_047296215.1
FERMT1XM_047440260.1 linkuse as main transcriptc.*1531G>A 3_prime_UTR_variant 14/14 XP_047296216.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FERMT1ENST00000217289.9 linkuse as main transcriptc.*1531G>A 3_prime_UTR_variant 15/151 NM_017671.5 ENSP00000217289 P1Q9BQL6-1
FERMT1ENST00000478194.1 linkuse as main transcriptn.2525G>A non_coding_transcript_exon_variant 7/71
FERMT1ENST00000699095.1 linkuse as main transcriptc.*1531G>A 3_prime_UTR_variant 14/14 ENSP00000514127 P1Q9BQL6-1

Frequencies

GnomAD3 genomes
AF:
0.000730
AC:
111
AN:
152046
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00220
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000590
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000578
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00192
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
156
Hom.:
0
Cov.:
0
AF XY:
0.00
AC XY:
0
AN XY:
92
Gnomad4 EAS exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.000729
AC:
111
AN:
152164
Hom.:
1
Cov.:
32
AF XY:
0.000645
AC XY:
48
AN XY:
74398
show subpopulations
Gnomad4 AFR
AF:
0.00219
Gnomad4 AMR
AF:
0.000589
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000580
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00190
Alfa
AF:
0.000854
Hom.:
0
Bravo
AF:
0.000873
Asia WGS
AF:
0.000866
AC:
3
AN:
3478

ClinVar

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

Submissions by phenotype

Kindler syndrome Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJan 13, 2018This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.86
CADD
Benign
1.0
DANN
Benign
0.76

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: rs185563337; hg19: chr20-6056289; API