chr19-46746071-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM2PP5BP4

The ENST00000318584.10(FKRP):​c.-272G>A variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: not found (cov: 30)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

FKRP
ENST00000318584.10 5_prime_UTR

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:1U:1

Conservation

PhyloP100: 0.763
Variant links:
Genes affected
FKRP (HGNC:17997): (fukutin related protein) This gene encodes a protein which is targeted to the medial Golgi apparatus and is necessary for posttranslational modification of dystroglycan. Mutations in this gene have been associated with congenital muscular dystrophy, cognitive disability, and cerebellar cysts. Several alternatively spliced transcript variants of this gene have been described, but the full-length nature of some of these variants has not been determined. [provided by RefSeq, Oct 2008]
STRN4 (HGNC:15721): (striatin 4) Enables armadillo repeat domain binding activity and protein phosphatase 2A binding activity. Part of FAR/SIN/STRIPAK complex. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 19-46746071-G-A is Pathogenic according to our data. Variant chr19-46746071-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 522865.We mark this variant Likely_pathogenic, oryginal submissions are: {Pathogenic=1, Uncertain_significance=1}.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.56). . Strength limited to SUPPORTING due to the PP5.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FKRPNM_024301.5 linkuse as main transcriptc.-272G>A 5_prime_UTR_variant 1/4 ENST00000318584.10 NP_077277.1
STRN4NM_013403.3 linkuse as main transcriptc.282+78C>T intron_variant ENST00000263280.11 NP_037535.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FKRPENST00000318584.10 linkuse as main transcriptc.-272G>A 5_prime_UTR_variant 1/41 NM_024301.5 ENSP00000326570 P1
STRN4ENST00000263280.11 linkuse as main transcriptc.282+78C>T intron_variant 1 NM_013403.3 ENSP00000263280 P4Q9NRL3-1

Frequencies

GnomAD3 genomes
Cov.:
30
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
1059496
Hom.:
0
Cov.:
26
AF XY:
0.00
AC XY:
0
AN XY:
515342
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
30

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Pathogenic:1Uncertain:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Autosomal recessive limb-girdle muscular dystrophy type 2I Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingUndiagnosed Diseases Network, NIHJan 11, 2017- -
not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingMayo Clinic Laboratories, Mayo ClinicAug 01, 2024PM2, PM3 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.56
CADD
Benign
21
DANN
Benign
0.95

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: rs1555735545; hg19: chr19-47249328; API