rs7759971
Positions:
Variant summary
Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1
The NM_001134831.2(AHI1):c.2764+1421G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.296 in 151,528 control chromosomes in the GnomAD database, including 7,174 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: 𝑓 0.30 ( 7174 hom., cov: 31)
Consequence
AHI1
NM_001134831.2 intron
NM_001134831.2 intron
Scores
2
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: -1.72
Genes affected
AHI1 (HGNC:21575): (Abelson helper integration site 1) This gene is apparently required for both cerebellar and cortical development in humans. This gene mutations cause specific forms of Joubert syndrome-related disorders. Joubert syndrome (JS) is a recessively inherited developmental brain disorder with several identified causative chromosomal loci. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Oct 2008]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -12 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.9).
BA1
?
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.401 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
AHI1 | NM_001134831.2 | c.2764+1421G>A | intron_variant | ENST00000265602.11 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
AHI1 | ENST00000265602.11 | c.2764+1421G>A | intron_variant | 1 | NM_001134831.2 | P2 |
Frequencies
GnomAD3 genomes ? AF: 0.296 AC: 44850AN: 151410Hom.: 7171 Cov.: 31
GnomAD3 genomes
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31
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We have no GnomAD4 exomes data on this position. Probably position not covered by the project.
GnomAD4 genome ? AF: 0.296 AC: 44859AN: 151528Hom.: 7174 Cov.: 31 AF XY: 0.295 AC XY: 21856AN XY: 74116
GnomAD4 genome
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31
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21856
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74116
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1097
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3476
ClinVar
Not reported inComputational scores
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Name
Calibrated prediction
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Prediction
BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at