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GeneBe

1-37540758-A-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_024700.4(SNIP1):​c.328-3T>A variant causes a splice region, splice polypyrimidine tract, intron 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. 2/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

SNIP1
NM_024700.4 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.02405
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.792
Variant links:
Genes affected
SNIP1 (HGNC:30587): (Smad nuclear interacting protein 1) This gene encodes a protein that contains a coiled-coil motif and C-terminal forkhead-associated (FHA) domain. The encoded protein functions as a transcriptional coactivator that increases c-Myc activity and inhibits transforming growth factor beta (TGF-beta) and nuclear factor kappa-B (NF-kB) signaling. The encoded protein also regulates the stability of cyclin D1 mRNA, and may play a role in cell proliferation and cancer progression. Mutations in this gene are a cause of psychomotor retardation, epilepsy, and craniofacial dysmorphism (PMRED). [provided by RefSeq, Mar 2012]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.78).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SNIP1NM_024700.4 linkuse as main transcriptc.328-3T>A splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000296215.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SNIP1ENST00000296215.8 linkuse as main transcriptc.328-3T>A splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_024700.4 P1
SNIP1ENST00000638725.1 linkuse as main transcriptn.837T>A non_coding_transcript_exon_variant 1/22
SNIP1ENST00000468040.2 linkuse as main transcriptc.*102-3T>A splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant, NMD_transcript_variant 5

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
1426684
Hom.:
0
Cov.:
40
AF XY:
0.00
AC XY:
0
AN XY:
705576
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.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.78
CADD
Benign
16
DANN
Benign
0.63
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.024
dbscSNV1_RF
Benign
0.31
SpliceAI score (max)
0.47
Details are displayed if max score is > 0.2
DS_AG_spliceai
0.47
Position offset: 15

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: rs2174769; hg19: chr1-38006359; API