4-20253997-G-A
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Variant summary
Our verdict is Benign. Variant got -18 ACMG points: 0P and 18B. BP4_ModerateBP6_Very_StrongBA1
The NM_004787.4(SLIT2):c.179+3G>A variant causes a splice donor region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0185 in 1,600,262 control chromosomes in the GnomAD database, including 700 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.015 ( 33 hom., cov: 32)
Exomes 𝑓: 0.019 ( 667 hom. )
Consequence
SLIT2
NM_004787.4 splice_donor_region, intron
NM_004787.4 splice_donor_region, intron
Scores
2
Splicing: ADA: 0.0002278
2
Clinical Significance
Conservation
PhyloP100: 0.981
Genes affected
SLIT2 (HGNC:11086): (slit guidance ligand 2) This gene encodes a member of the slit family of secreted glycoproteins, which are ligands for the Robo family of immunoglobulin receptors. Slit proteins play highly conserved roles in axon guidance and neuronal migration and may also have functions during other cell migration processes including leukocyte migration. Members of the slit family are characterized by an N-terminal signal peptide, four leucine-rich repeats, nine epidermal growth factor repeats, and a C-terminal cysteine knot. Proteolytic processing of this protein gives rise to an N-terminal fragment that contains the four leucine-rich repeats and five epidermal growth factor repeats and a C-terminal fragment that contains four epidermal growth factor repeats and the cysteine knot. Both full length and cleaved proteins are secreted extracellularly and can function in axon repulsion as well as other specific processes. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2015]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -18 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.38).
BP6
Variant 4-20253997-G-A is Benign according to our data. Variant chr4-20253997-G-A is described in ClinVar as [Benign]. Clinvar id is 1598728.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.0925 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SLIT2 | NM_004787.4 | c.179+3G>A | splice_donor_region_variant, intron_variant | ENST00000504154.6 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SLIT2 | ENST00000504154.6 | c.179+3G>A | splice_donor_region_variant, intron_variant | 1 | NM_004787.4 | P3 |
Frequencies
GnomAD3 genomes AF: 0.0146 AC: 2221AN: 152022Hom.: 33 Cov.: 32
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GnomAD3 exomes AF: 0.0234 AC: 5670AN: 241792Hom.: 212 AF XY: 0.0274 AC XY: 3602AN XY: 131324
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GnomAD4 exome AF: 0.0189 AC: 27424AN: 1448124Hom.: 667 Cov.: 32 AF XY: 0.0213 AC XY: 15311AN XY: 720326
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GnomAD4 genome AF: 0.0146 AC: 2224AN: 152138Hom.: 33 Cov.: 32 AF XY: 0.0157 AC XY: 1168AN XY: 74372
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ClinVar
Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not provided Benign:2
Benign, criteria provided, single submitter | not provided | Breakthrough Genomics, Breakthrough Genomics | - | - - |
Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 25, 2024 | - - |
Computational scores
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Name
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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dbscSNV1_ADA
Benign
dbscSNV1_RF
Benign
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at