rs397514546

Variant summary

Our verdict is Pathogenic. Variant got 11 ACMG points: 11P and 0B. PVS1PM2PP5

The NM_014254.3(RXYLT1):​c.279del​(p.Gly94GlufsTer33) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000687 in 1,455,088 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (no stars). Synonymous variant affecting the same amino acid position (i.e. K93K) has been classified as Likely benign. Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

RXYLT1
NM_014254.3 frameshift

Scores

Not classified

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 0.959
Variant links:
Genes affected
RXYLT1 (HGNC:13530): (ribitol xylosyltransferase 1) This gene encodes a type II transmembrane protein that is thought to have glycosyltransferase function. Mutations in this gene result in cobblestone lissencephaly. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, May 2013]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 11 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;
PP5
Variant 12-63781125-GA-G is Pathogenic according to our data. Variant chr12-63781125-GA-G is described in ClinVar as [Pathogenic]. Clinvar id is 39607.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr12-63781125-GA-G is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RXYLT1NM_014254.3 linkuse as main transcriptc.279del p.Gly94GlufsTer33 frameshift_variant 2/6 ENST00000261234.11
RXYLT1XM_047428079.1 linkuse as main transcriptc.279del p.Gly94GlufsTer33 frameshift_variant 2/5
RXYLT1NM_001278237.2 linkuse as main transcriptc.-502del 5_prime_UTR_variant 2/6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RXYLT1ENST00000261234.11 linkuse as main transcriptc.279del p.Gly94GlufsTer33 frameshift_variant 2/61 NM_014254.3 P1
ENST00000509615.2 linkuse as main transcriptn.238+14355del intron_variant, non_coding_transcript_variant 5

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000407
AC:
1
AN:
245692
Hom.:
0
AF XY:
0.00000752
AC XY:
1
AN XY:
133014
show subpopulations
Gnomad AFR exome
AF:
0.00
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:
0.000168
GnomAD4 exome
AF:
6.87e-7
AC:
1
AN:
1455088
Hom.:
0
Cov.:
30
AF XY:
0.00000138
AC XY:
1
AN XY:
723804
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
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.:
33

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 10 Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMDec 07, 2012- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

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: rs397514546; hg19: chr12-64174905; API