19-46755463-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_024301.5(FKRP):​c.13C>A​(p.Arg5Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000187 in 1,607,084 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R5C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

FKRP
NM_024301.5 missense

Scores

3
8
8

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.831
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]

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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;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FKRPNM_024301.5 linkuse as main transcriptc.13C>A p.Arg5Ser missense_variant 4/4 ENST00000318584.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FKRPENST00000318584.10 linkuse as main transcriptc.13C>A p.Arg5Ser missense_variant 4/41 NM_024301.5 P1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152222
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1454862
Hom.:
0
Cov.:
32
AF XY:
0.00000138
AC XY:
1
AN XY:
723890
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000253
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.00e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152222
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74370
show subpopulations
Gnomad4 AFR
AF:
0.0000241
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:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.27
BayesDel_addAF
Pathogenic
0.16
D
BayesDel_noAF
Uncertain
0.0
CADD
Benign
20
DANN
Uncertain
0.99
DEOGEN2
Benign
0.29
.;T;.;.;.;.;T;.;.;.;.;.;.;.;.;.;T
Eigen
Uncertain
0.21
Eigen_PC
Uncertain
0.27
FATHMM_MKL
Uncertain
0.91
D
LIST_S2
Benign
0.85
D;.;T;T;T;T;T;T;T;T;D;D;D;T;T;T;T
M_CAP
Pathogenic
0.55
D
MetaRNN
Uncertain
0.43
T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Benign
1.2
.;L;.;.;.;.;L;.;.;.;.;.;.;.;.;.;.
MutationTaster
Benign
0.79
D;D
PrimateAI
Uncertain
0.68
T
PROVEAN
Benign
-0.86
.;N;.;.;.;.;N;.;.;.;.;.;.;.;.;.;.
REVEL
Uncertain
0.48
Sift
Benign
0.040
.;D;.;.;.;.;D;.;.;.;.;.;.;.;.;.;.
Sift4G
Benign
0.30
T;T;D;D;D;D;T;D;D;D;D;D;D;D;D;D;D
Polyphen
0.92
.;P;.;.;.;.;P;.;.;.;.;.;.;.;.;.;.
Vest4
0.41, 0.45
MutPred
0.41
Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);Gain of glycosylation at R5 (P = 0.0024);
MVP
0.99
MPC
0.95
ClinPred
0.81
D
GERP RS
4.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
2.6
Varity_R
0.15
gMVP
0.51

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: rs1060502108; hg19: chr19-47258720; API