11-34916137-C-A
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Variant summary
Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2
The NM_015957.4(APIP):c.57+91G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00169 in 1,510,264 control chromosomes in the GnomAD database, including 5 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).
Frequency
Genomes: 𝑓 0.0014 ( 1 hom., cov: 34)
Exomes 𝑓: 0.0017 ( 4 hom. )
Consequence
APIP
NM_015957.4 intron
NM_015957.4 intron
Scores
2
Clinical Significance
Conservation
PhyloP100: -0.465
Genes affected
APIP (HGNC:17581): (APAF1 interacting protein) Enables identical protein binding activity; methylthioribulose 1-phosphate dehydratase activity; and zinc ion binding activity. Involved in several processes, including L-methionine salvage from methylthioadenosine; protein homotetramerization; and pyroptosis. Located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]
PDHX (HGNC:21350): (pyruvate dehydrogenase complex component X) The pyruvate dehydrogenase (PDH) complex is located in the mitochondrial matrix and catalyzes the conversion of pyruvate to acetyl coenzyme A. The PDH complex thereby links glycolysis to Krebs cycle. The PDH complex contains three catalytic subunits, E1, E2, and E3, two regulatory subunits, E1 kinase and E1 phosphatase, and a non-catalytic subunit, E3 binding protein (E3BP). This gene encodes the E3 binding protein subunit; also known as component X of the pyruvate dehydrogenase complex. This protein tethers E3 dimers to the E2 core of the PDH complex. Defects in this gene are a cause of pyruvate dehydrogenase deficiency which results in neurological dysfunction and lactic acidosis in infancy and early childhood. This protein is also a minor antigen for antimitochondrial antibodies. These autoantibodies are present in nearly 95% of patients with the autoimmune liver disease primary biliary cirrhosis (PBC). In PBC, activated T lymphocytes attack and destroy epithelial cells in the bile duct where this protein is abnormally distributed and overexpressed. PBC eventually leads to cirrhosis and liver failure. Alternative splicing results in multiple transcript variants encoding distinct isoforms.[provided by RefSeq, Oct 2009]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -10 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.75).
BP6
Variant 11-34916137-C-A is Benign according to our data. Variant chr11-34916137-C-A is described in ClinVar as [Likely_benign]. Clinvar id is 880153.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Homozygotes in GnomAdExome4 at 4 AR gene
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
APIP | NM_015957.4 | c.57+91G>T | intron_variant | ENST00000395787.4 | NP_057041.2 | |||
APIP | XM_011520154.4 | c.13+91G>T | intron_variant | XP_011518456.1 | ||||
PDHX | XM_011520390.2 | c.-21+199C>A | intron_variant | XP_011518692.1 | ||||
APIP | XM_017017875.3 | c.-301+91G>T | intron_variant | XP_016873364.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
APIP | ENST00000395787.4 | c.57+91G>T | intron_variant | 1 | NM_015957.4 | ENSP00000379133 | P1 | |||
PDHX | ENST00000448838.8 | c.-370C>A | 5_prime_UTR_variant | 1/11 | 5 | ENSP00000389404 | ||||
PDHX | ENST00000533550.5 | c.-21+199C>A | intron_variant | 4 | ENSP00000431281 | |||||
APIP | ENST00000527830.1 | n.124+91G>T | intron_variant, non_coding_transcript_variant | 2 |
Frequencies
GnomAD3 genomes AF: 0.00137 AC: 209AN: 152236Hom.: 1 Cov.: 34
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GnomAD4 exome AF: 0.00173 AC: 2347AN: 1357910Hom.: 4 Cov.: 25 AF XY: 0.00169 AC XY: 1134AN XY: 670884
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GnomAD4 genome AF: 0.00137 AC: 209AN: 152354Hom.: 1 Cov.: 34 AF XY: 0.00144 AC XY: 107AN XY: 74504
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Pyruvate dehydrogenase E3-binding protein deficiency Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 12, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. - |
Computational scores
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
RBP_binding_hub_radar
RBP_regulation_power_radar
Splicing
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at