rs139633545
Variant summary
Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP6BS2
The NM_002294.3(LAMP2):c.1142T>C(p.Val381Ala) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000546 in 1,209,735 control chromosomes in the GnomAD database, including 1 homozygotes. There are 21 hemizygotes in GnomAD. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. V381V) has been classified as Likely benign.
Frequency
Consequence
NM_002294.3 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_benign. Variant got -5 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
LAMP2 | NM_002294.3 | c.1142T>C | p.Val381Ala | missense_variant | 9/9 | ENST00000200639.9 | |
LAMP2 | NM_001122606.1 | c.1094-2788T>C | intron_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
LAMP2 | ENST00000200639.9 | c.1142T>C | p.Val381Ala | missense_variant | 9/9 | 1 | NM_002294.3 | P3 | |
LAMP2 | ENST00000434600.6 | c.1094-2788T>C | intron_variant | 1 | A1 | ||||
LAMP2 | ENST00000706600.1 | c.*1001T>C | 3_prime_UTR_variant | 9/9 | |||||
LAMP2 | ENST00000486593.5 | c.*127T>C | 3_prime_UTR_variant, NMD_transcript_variant | 7/7 | 5 |
Frequencies
GnomAD3 genomes ? AF: 0.000232 AC: 26AN: 112272Hom.: 0 Cov.: 23 AF XY: 0.000203 AC XY: 7AN XY: 34446
GnomAD3 exomes AF: 0.000116 AC: 21AN: 181255Hom.: 0 AF XY: 0.000119 AC XY: 8AN XY: 67135
GnomAD4 exome AF: 0.0000364 AC: 40AN: 1097463Hom.: 1 Cov.: 29 AF XY: 0.0000386 AC XY: 14AN XY: 362985
GnomAD4 genome ? AF: 0.000232 AC: 26AN: 112272Hom.: 0 Cov.: 23 AF XY: 0.000203 AC XY: 7AN XY: 34446
ClinVar
Submissions by phenotype
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine | Mar 23, 2015 | Variant classified as Uncertain Significance - Favor Benign. The p.Val381Ala var iant in LAMP2 has not been previously reported in individuals with cardiomyopath y or Danon disease, but has been identified in 0.1% (11/8513) African chromosome s, including 3 hemizygotes, by the Exome Aggregation Consortium (ExAC, http://ex ac.broadinstitute.org; dbSNP rs139633545). Computational prediction tools and co nservation analysis suggest that this variant may impact the protein, though thi s information is not predictive enough to determine pathogenicity. In summary, w hile the clinical significance of the p.Val381Ala variant is uncertain, its freq uency and presence in multiple hemizygous control individuals suggests that it is more likely to be benign. - |
Cardiomyopathy Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario | May 11, 2021 | - - |
Danon disease Benign:1
Benign, criteria provided, single submitter | clinical testing | Invitae | Jan 11, 2024 | - - |
LAMP2-related disorder Benign:1
Likely benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | Nov 17, 2020 | This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). - |
not provided Benign:1
Benign, criteria provided, single submitter | clinical testing | GeneDx | Oct 02, 2020 | - - |
Cardiovascular phenotype Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Ambry Genetics | Jul 18, 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