9-132891603-TA-T
Variant summary
Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP6_ModerateBS1BS2
The NM_000368.5(TSC1):c.*4631del variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00281 in 233,420 control chromosomes in the GnomAD database, including 6 homozygotes. Variant has been reported in ClinVar as Likely benign (★).
Frequency
Genomes: 𝑓 0.0036 ( 6 hom., cov: 33)
Exomes 𝑓: 0.0013 ( 0 hom. )
Consequence
TSC1
NM_000368.5 3_prime_UTR
NM_000368.5 3_prime_UTR
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 1.08
Genes affected
TSC1 (HGNC:12362): (TSC complex subunit 1) This gene is a tumor suppressor gene that encodes the growth inhibitory protein hamartin. The encoded protein interacts with and stabilizes the GTPase activating protein tuberin. This hamartin-tuberin complex negatively regulates mammalian target of rapamycin complex 1 (mTORC1) signaling which is a major regulator of anabolic cell growth. This protein also functions as a co-chaperone for Hsp90 that inhibits its ATPase activity. This protein functions as a facilitator of Hsp90-mediated folding of kinase and non-kinase clients, including TSC2 and thereby preventing their ubiquitination and proteasomal degradation. Mutations in this gene have been associated with tuberous sclerosis and lymphangioleiomyomatosis. [provided by RefSeq, May 2022]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -10 ACMG points.
BP6
?
Variant 9-132891603-TA-T is Benign according to our data. Variant chr9-132891603-TA-T is described in ClinVar as [Likely_benign]. Clinvar id is 365388.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
?
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00363 (553/152186) while in subpopulation AFR AF= 0.0114 (475/41524). AF 95% confidence interval is 0.0106. There are 6 homozygotes in gnomad4. There are 260 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
?
High AC in GnomAd at 545 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
TSC1 | NM_000368.5 | c.*4631del | 3_prime_UTR_variant | 23/23 | ENST00000298552.9 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
TSC1 | ENST00000298552.9 | c.*4631del | 3_prime_UTR_variant | 23/23 | 1 | NM_000368.5 | P4 |
Frequencies
GnomAD3 genomes ? AF: 0.00358 AC: 545AN: 152068Hom.: 6 Cov.: 33
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GnomAD4 exome AF: 0.00126 AC: 102AN: 81234Hom.: 0 Cov.: 0 AF XY: 0.00112 AC XY: 42AN XY: 37384
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GnomAD4 genome ? AF: 0.00363 AC: 553AN: 152186Hom.: 6 Cov.: 33 AF XY: 0.00349 AC XY: 260AN XY: 74414
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ClinVar
Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Tuberous sclerosis syndrome Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jun 14, 2016 | - - |
Isolated focal cortical dysplasia type II Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jun 14, 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