22-40346510-T-C
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Variant summary
Our verdict is Likely pathogenic. Variant got 9 ACMG points: 10P and 1B. PM2PP5_Very_StrongBP4
The NM_000026.4(ADSL):c.-49T>C variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000767 in 1,565,074 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★).
Frequency
Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000064 ( 0 hom. )
Consequence
ADSL
NM_000026.4 5_prime_UTR
NM_000026.4 5_prime_UTR
Scores
2
Clinical Significance
Conservation
PhyloP100: -0.0620
Genes affected
ADSL (HGNC:291): (adenylosuccinate lyase) The protein encoded by this gene belongs to the lyase 1 family. It is an essential enzyme involved in purine metabolism, and catalyzes two non-sequential reactions in the de novo purine biosynthetic pathway: the conversion of succinylaminoimidazole carboxamide ribotide (SAICAR) to aminoimidazole carboxamide ribotide (AICAR) and the conversion of adenylosuccinate (S-AMP) to adenosine monophosphate (AMP). Mutations in this gene are associated with adenylosuccinase deficiency (ADSLD), a disorder marked with psychomotor retardation, epilepsy or autistic features. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Dec 2015]
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ACMG classification
Classification made for transcript
Verdict is Likely_pathogenic. Variant got 9 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 22-40346510-T-C is Pathogenic according to our data. Variant chr22-40346510-T-C is described in ClinVar as [Likely_pathogenic]. Clinvar id is 985789.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.41). . Strength limited to SUPPORTING due to the PP5.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
ADSL | NM_000026.4 | c.-49T>C | 5_prime_UTR_variant | 1/13 | ENST00000623063.3 | NP_000017.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
ADSL | ENST00000623063.3 | c.-49T>C | 5_prime_UTR_variant | 1/13 | 1 | NM_000026.4 | ENSP00000485525 | P1 |
Frequencies
GnomAD3 genomes AF: 0.0000197 AC: 3AN: 152210Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 0.00000637 AC: 9AN: 1412864Hom.: 0 Cov.: 31 AF XY: 0.00000286 AC XY: 2AN XY: 699550
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GnomAD4 genome AF: 0.0000197 AC: 3AN: 152210Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 74368
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ClinVar
Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Adenylosuccinate lyase deficiency Pathogenic:2
Pathogenic, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Mar 20, 2023 | ClinVar contains an entry for this variant (Variation ID: 985789). For these reasons, this variant has been classified as Pathogenic. Studies have shown that this variant alters ADSL gene expression (PMID: 12016589, 25910213). This variant has been observed in individual(s) with adenylosuccinate lyase deficiency (PMID: 10958654, 12016589, 23937257). This variant is present in population databases (no rsID available, gnomAD 0.001%). This variant occurs in a non-coding region of the ADSL gene. It does not change the encoded amino acid sequence of the ADSL protein. - |
Pathogenic, no assertion criteria provided | literature only | OMIM | Jul 01, 2002 | - - |
Inborn genetic diseases Pathogenic:1
Likely pathogenic, criteria provided, single submitter | clinical testing | Ambry Genetics | Dec 01, 2017 | - - |
Computational scores
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DANN
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at