rs10493123
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Variant summary
Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1
The ENST00000371984.8(POMGNT1):c.1540-16C>T variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00406 in 1,603,762 control chromosomes in the GnomAD database, including 176 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.019 ( 79 hom., cov: 32)
Exomes 𝑓: 0.0025 ( 97 hom. )
Consequence
POMGNT1
ENST00000371984.8 splice_polypyrimidine_tract, intron
ENST00000371984.8 splice_polypyrimidine_tract, intron
Scores
2
Clinical Significance
Conservation
PhyloP100: 0.259
Genes affected
POMGNT1 (HGNC:19139): (protein O-linked mannose N-acetylglucosaminyltransferase 1 (beta 1,2-)) This gene encodes a type II transmembrane protein that resides in the Golgi apparatus. It participates in O-mannosyl glycosylation and is specific for alpha linked terminal mannose. Mutations in this gene may be associated with muscle-eye-brain disease and several congenital muscular dystrophies. Alternatively spliced transcript variants that encode different protein isoforms have been described. [provided by RefSeq, Feb 2014]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -20 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.75).
BP6
Variant 1-46190800-G-A is Benign according to our data. Variant chr1-46190800-G-A is described in ClinVar as [Benign]. Clinvar id is 162587.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr1-46190800-G-A is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0608 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
POMGNT1 | NM_017739.4 | c.1540-16C>T | splice_polypyrimidine_tract_variant, intron_variant | ENST00000371984.8 | NP_060209.4 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
POMGNT1 | ENST00000371984.8 | c.1540-16C>T | splice_polypyrimidine_tract_variant, intron_variant | 1 | NM_017739.4 | ENSP00000361052 | P1 |
Frequencies
GnomAD3 genomes AF: 0.0186 AC: 2837AN: 152152Hom.: 80 Cov.: 32
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GnomAD3 exomes AF: 0.00612 AC: 1540AN: 251468Hom.: 43 AF XY: 0.00480 AC XY: 653AN XY: 135904
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GnomAD4 exome AF: 0.00252 AC: 3661AN: 1451492Hom.: 97 Cov.: 30 AF XY: 0.00226 AC XY: 1636AN XY: 722768
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GnomAD4 genome AF: 0.0187 AC: 2844AN: 152270Hom.: 79 Cov.: 32 AF XY: 0.0181 AC XY: 1349AN XY: 74448
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ClinVar
Significance: Benign
Submissions summary: Benign:6
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:3
Benign, no assertion criteria provided | clinical testing | Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center | - | - - |
Benign, criteria provided, single submitter | clinical testing | GeneDx | Jun 25, 2014 | This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. - |
Benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | - | - - |
not provided Benign:2
Benign, criteria provided, single submitter | not provided | Breakthrough Genomics, Breakthrough Genomics | - | - - |
Likely benign, no assertion criteria provided | clinical testing | Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC) | - | - - |
Muscular dystrophy-dystroglycanopathy (congenital with intellectual disability), type B3;C3150417:Autosomal recessive limb-girdle muscular dystrophy type 2O Benign:1
Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 31, 2024 | - - |
Computational scores
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BayesDel_noAF
Benign
CADD
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DANN
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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