chr1-47251304-G-A
Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6BP7
The NM_001048166.1(STIL):c.3699C>T(p.Thr1233=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000297 in 1,613,816 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 Conflicting classifications of pathogenicity (no stars).
Frequency
Genomes: 𝑓 0.000026 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000030 ( 0 hom. )
Consequence
STIL
NM_001048166.1 synonymous
NM_001048166.1 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: 0.540
Genes affected
STIL (HGNC:10879): (STIL centriolar assembly protein) This gene encodes a cytoplasmic protein implicated in regulation of the mitotic spindle checkpoint, a regulatory pathway that monitors chromosome segregation during cell division to ensure the proper distribution of chromosomes to daughter cells. The protein is phosphorylated in mitosis and in response to activation of the spindle checkpoint, and disappears when cells transition to G1 phase. It interacts with a mitotic regulator, and its expression is required to efficiently activate the spindle checkpoint. It is proposed to regulate Cdc2 kinase activity during spindle checkpoint arrest. Chromosomal deletions that fuse this gene and the adjacent locus commonly occur in T cell leukemias, and are thought to arise through illegitimate V-(D)-J recombination events. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -4 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.62).
BP6
?
Variant 1-47251304-G-A is Benign according to our data. Variant chr1-47251304-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 737417.We mark this variant Likely_benign, oryginal submissions are: {Uncertain_significance=1, Likely_benign=1}.
BP7
?
Synonymous conserved (PhyloP=0.54 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
STIL | NM_001048166.1 | c.3699C>T | p.Thr1233= | synonymous_variant | 17/17 | ENST00000371877.8 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
STIL | ENST00000371877.8 | c.3699C>T | p.Thr1233= | synonymous_variant | 17/17 | 1 | NM_001048166.1 | P5 |
Frequencies
GnomAD3 genomes ? AF: 0.0000263 AC: 4AN: 152072Hom.: 0 Cov.: 33
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GnomAD3 exomes AF: 0.0000279 AC: 7AN: 251336Hom.: 0 AF XY: 0.0000294 AC XY: 4AN XY: 135836
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GnomAD4 exome AF: 0.0000301 AC: 44AN: 1461626Hom.: 0 Cov.: 30 AF XY: 0.0000303 AC XY: 22AN XY: 727050
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ClinVar
Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:1
Revision: criteria provided, conflicting classifications
LINK: link
Submissions by phenotype
Microcephaly 7, primary, autosomal recessive Uncertain:1
Uncertain significance, 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, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. - |
not provided Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Aug 30, 2023 | - - |
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