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GeneBe

17-58005893-G-A

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PVS1_StrongPM2

The NM_006924.5(SRSF1):c.460C>T(p.Arg154Ter) variant causes a stop gained change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Consequence

SRSF1
NM_006924.5 stop_gained

Scores

4
2
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.10
Variant links:
Genes affected
SRSF1 (HGNC:10780): (serine and arginine rich splicing factor 1) This gene encodes a member of the arginine/serine-rich splicing factor protein family. The encoded protein can either activate or repress splicing, depending on its phosphorylation state and its interaction partners. Multiple transcript variants have been found for this gene. There is a pseudogene of this gene on chromosome 13. [provided by RefSeq, Jun 2014]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PVS1
Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant is located in the 3'-most 50 bp of the penultimate exon, not predicted to undergo nonsense mediated mRNA decay. There are 4 pathogenic variants in the truncated region.
PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SRSF1NM_006924.5 linkuse as main transcriptc.460C>T p.Arg154Ter stop_gained 3/4 ENST00000258962.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SRSF1ENST00000258962.5 linkuse as main transcriptc.460C>T p.Arg154Ter stop_gained 3/41 NM_006924.5 P1Q07955-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Cov.:
31
GnomAD4 genome
Cov.:
32

ClinVar

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

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsMar 12, 2024The c.460C>T (p.R154*) alteration, located in exon 3 (coding exon 3) of the SRSF1 gene, consists of a C to T substitution at nucleotide position 460. This changes the amino acid from an arginine (R) to a stop codon at amino acid position 154. This alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. However, loss-of-function of SRSF1 has not been established as a mechanism of disease. This variant was not reported in population-based cohorts in the Genome Aggregation Database (gnomAD). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.51
D
BayesDel_noAF
Pathogenic
0.49
CADD
Pathogenic
40
DANN
Uncertain
1.0
Eigen
Pathogenic
0.86
Eigen_PC
Pathogenic
0.74
FATHMM_MKL
Uncertain
0.91
D
MutationTaster
Benign
1.0
A;A;D;D
Vest4
0.74
GERP RS
4.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.040
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr17-56083254; COSMIC: COSV51964955; COSMIC: COSV51964955; API