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Variant summary
Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP6BS1BS2
The NM_003070.5(SMARCA2):c.687_707del(p.Gln232_Gln238del) variant causes a inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000193 in 150,532 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. Q223Q) has been classified as Likely benign.
Frequency
Consequence
NM_003070.5 inframe_deletion
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Benign. Variant got -9 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SMARCA2 | NM_003070.5 | c.687_707del | p.Gln232_Gln238del | inframe_deletion | 4/34 | ENST00000349721.8 | |
SMARCA2 | NM_001289396.1 | c.687_707del | p.Gln232_Gln238del | inframe_deletion | 4/34 | ||
SMARCA2 | NM_001289397.2 | c.687_707del | p.Gln232_Gln238del | inframe_deletion | 4/33 | ||
SMARCA2 | NM_139045.4 | c.687_707del | p.Gln232_Gln238del | inframe_deletion | 4/33 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SMARCA2 | ENST00000349721.8 | c.687_707del | p.Gln232_Gln238del | inframe_deletion | 4/34 | 5 | NM_003070.5 | P2 |
Frequencies
GnomAD3 genomes ? AF: 0.000193 AC: 29AN: 150432Hom.: 0 Cov.: 26
GnomAD4 exome Data not reliable, filtered out with message: AS_VQSR AF: 0.000289 AC: 418AN: 1445818Hom.: 1 AF XY: 0.000266 AC XY: 191AN XY: 718570
GnomAD4 genome ? AF: 0.000193 AC: 29AN: 150532Hom.: 0 Cov.: 26 AF XY: 0.000231 AC XY: 17AN XY: 73486
ClinVar
Submissions by phenotype
not provided Uncertain:1Benign:2
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Jun 12, 2021 | In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. This variant has not been reported in the literature in individuals with SMARCA2-related conditions. This variant is not present in population databases (ExAC no frequency). This variant, c.687_707del, results in the deletion of 7 amino acid(s) of the SMARCA2 protein (p.Gln232_Gln238del), but otherwise preserves the integrity of the reading frame. - |
Likely benign, criteria provided, single submitter | clinical testing | GeneDx | Jun 01, 2022 | See Variant Classification Assertion Criteria. - |
Likely benign, criteria provided, single submitter | clinical testing | CeGaT Center for Human Genetics Tuebingen | Nov 01, 2023 | SMARCA2: BP3 - |
Inborn genetic diseases Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Ambry Genetics | Mar 29, 2019 | This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. - |
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at