rs1064794458
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Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_000051.4(ATM):c.4777-7_4777-6del variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000124 in 1,613,346 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
ATM
NM_000051.4 splice_polypyrimidine_tract, intron
NM_000051.4 splice_polypyrimidine_tract, intron
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 0.716
Genes affected
ATM (HGNC:795): (ATM serine/threonine kinase) The protein encoded by this gene belongs to the PI3/PI4-kinase family. This protein is an important cell cycle checkpoint kinase that phosphorylates; thus, it functions as a regulator of a wide variety of downstream proteins, including tumor suppressor proteins p53 and BRCA1, checkpoint kinase CHK2, checkpoint proteins RAD17 and RAD9, and DNA repair protein NBS1. This protein and the closely related kinase ATR are thought to be master controllers of cell cycle checkpoint signaling pathways that are required for cell response to DNA damage and for genome stability. Mutations in this gene are associated with ataxia telangiectasia, an autosomal recessive disorder. [provided by RefSeq, Aug 2010]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
ATM | NM_000051.4 | c.4777-7_4777-6del | splice_polypyrimidine_tract_variant, intron_variant | ENST00000675843.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
ATM | ENST00000675843.1 | c.4777-7_4777-6del | splice_polypyrimidine_tract_variant, intron_variant | NM_000051.4 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.00000657 AC: 1AN: 152184Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461162Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 726894
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GnomAD4 genome ? AF: 0.00000657 AC: 1AN: 152184Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 74342
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Ataxia-telangiectasia syndrome Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Aug 28, 2023 | This variant has not been reported in the literature in individuals affected with ATM-related conditions. This sequence change falls in intron 31 of the ATM gene. It does not directly change the encoded amino acid sequence of the ATM protein. This variant is present in population databases (no rsID available, gnomAD 0.007%). ClinVar contains an entry for this variant (Variation ID: 490581). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. 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. - |
Hereditary cancer-predisposing syndrome Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Color Diagnostics, LLC DBA Color Health | Aug 26, 2018 | - - |
Computational scores
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SpliceAI score (max)
Details are displayed if max score is > 0.2
DS_AL_spliceai
Position offset: 11
Find out detailed SpliceAI scores and Pangolin per-transcript scores at