17-28554421-G-A
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Variant summary
Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7
The NM_033198.4(PIGS):c.1467C>T(p.Val489Val) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000682 in 1,614,028 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 benign (★).
Frequency
Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000048 ( 0 hom. )
Consequence
PIGS
NM_033198.4 synonymous
NM_033198.4 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: 0.495
Genes affected
PIGS (HGNC:14937): (phosphatidylinositol glycan anchor biosynthesis class S) This gene encodes a protein that is involved in GPI-anchor biosynthesis. The glycosylphosphatidylinositol (GPI) anchor is a glycolipid found on many blood cells and serves to anchor proteins to the cell surface. This gene encodes an essential component of the multisubunit enzyme, GPI transamidase. GPI transamidase mediates GPI anchoring in the endoplasmic reticulum, by catalyzing the transfer of fully assembled GPI units to proteins. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -5 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.66).
BP6
Variant 17-28554421-G-A is Benign according to our data. Variant chr17-28554421-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 2647582.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=0.495 with no splicing effect.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000263 AC: 4AN: 152146Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000161 AC: 4AN: 249196Hom.: 0 AF XY: 0.00000741 AC XY: 1AN XY: 134890
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GnomAD4 exome AF: 0.00000479 AC: 7AN: 1461882Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1AN XY: 727240
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GnomAD4 genome AF: 0.0000263 AC: 4AN: 152146Hom.: 0 Cov.: 32 AF XY: 0.0000269 AC XY: 2AN XY: 74334
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not provided Benign:1
Likely benign, criteria provided, single submitter | clinical testing | CeGaT Center for Human Genetics Tuebingen | May 01, 2023 | PIGS: BP4, BP7 - |
Computational scores
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Benign
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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