rs786204510
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Variant summary
Our verdict is Pathogenic. Variant got 14 ACMG points: 14P and 0B. PVS1_StrongPM2PP5_Very_Strong
The NM_000295.5(SERPINA1):βc.1158delβ(p.Glu387ArgfsTer11) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000682 in 1,613,638 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (β β ).
Frequency
Genomes: π 0.0000066 ( 0 hom., cov: 33)
Exomes π: 0.0000068 ( 0 hom. )
Consequence
SERPINA1
NM_000295.5 frameshift
NM_000295.5 frameshift
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: -2.35
Genes affected
SERPINA1 (HGNC:8941): (serpin family A member 1) The protein encoded by this gene is a serine protease inhibitor belonging to the serpin superfamily whose targets include elastase, plasmin, thrombin, trypsin, chymotrypsin, and plasminogen activator. This protein is produced in the liver, the bone marrow, by lymphocytic and monocytic cells in lymphoid tissue, and by the Paneth cells of the gut. Defects in this gene are associated with chronic obstructive pulmonary disease, emphysema, and chronic liver disease. Several transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Aug 2020]
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ACMG classification
Classification made for transcript
Verdict is Pathogenic. Variant got 14 ACMG points.
PVS1
Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant is located in the 3'-most exon, not predicted to undergo nonsense mediated mRNA decay. There are 5 pathogenic variants in the truncated region.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 14-94378547-CG-C is Pathogenic according to our data. Variant chr14-94378547-CG-C is described in ClinVar as [Likely_pathogenic]. Clinvar id is 444037.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr14-94378547-CG-C is described in Lovd as [Pathogenic]. Variant chr14-94378547-CG-C is described in Lovd as [Pathogenic].
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
SERPINA1 | NM_000295.5 | c.1158del | p.Glu387ArgfsTer11 | frameshift_variant | 5/5 | ENST00000393087.9 | NP_000286.3 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
SERPINA1 | ENST00000393087.9 | c.1158del | p.Glu387ArgfsTer11 | frameshift_variant | 5/5 | 1 | NM_000295.5 | ENSP00000376802 | P1 |
Frequencies
GnomAD3 genomes AF: 0.00000659 AC: 1AN: 151844Hom.: 0 Cov.: 33
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GnomAD3 exomes AF: 0.00000398 AC: 1AN: 251306Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135826
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GnomAD4 exome AF: 0.00000684 AC: 10AN: 1461794Hom.: 0 Cov.: 33 AF XY: 0.00000550 AC XY: 4AN XY: 727208
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GnomAD4 genome AF: 0.00000659 AC: 1AN: 151844Hom.: 0 Cov.: 33 AF XY: 0.00 AC XY: 0AN XY: 74162
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ClinVar
Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:3Other:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Alpha-1-antitrypsin deficiency Pathogenic:3
Pathogenic, no assertion criteria provided | curation | Department of Laboratory Medicine and Genetics, Trillium Health Partners Credit Valley Hospital | Dec 08, 2014 | - - |
Pathogenic, criteria provided, single submitter | clinical testing | Baylor Genetics | Mar 02, 2024 | - - |
Likely pathogenic, criteria provided, single submitter | clinical testing | Fulgent Genetics, Fulgent Genetics | May 10, 2022 | - - |
PI NULL(BOLTON) Other:1
other, no assertion criteria provided | literature only | OMIM | Jul 20, 2016 | - - |
PI Q0(BOLTON) Other:1
other, no assertion criteria provided | literature only | OMIM | Jul 20, 2016 | - - |
Computational scores
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at