chr14-24239917-G-A
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Variant summary
Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2
The NM_001099274.3(TINF2):c.1236C>T(p.Asn412=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00487 in 1,614,208 control chromosomes in the GnomAD database, including 44 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: 𝑓 0.0036 ( 4 hom., cov: 32)
Exomes 𝑓: 0.0050 ( 40 hom. )
Consequence
TINF2
NM_001099274.3 synonymous
NM_001099274.3 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: 1.15
Genes affected
TINF2 (HGNC:11824): (TERF1 interacting nuclear factor 2) This gene encodes one of the proteins of the shelterin, or telosome, complex which protects telomeres by allowing the cell to distinguish between telomeres and regions of DNA damage. The protein encoded by this gene is a critical part of shelterin; it interacts with the three DNA-binding proteins of the shelterin complex, and it is important for assembly of the complex. Mutations in this gene cause dyskeratosis congenita (DKC), an inherited bone marrow failure syndrome. [provided by RefSeq, Mar 2010]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -21 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.6).
BP6
Variant 14-24239917-G-A is Benign according to our data. Variant chr14-24239917-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 238288.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=1.15 with no splicing effect.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.00355 (541/152318) while in subpopulation SAS AF= 0.0116 (56/4822). AF 95% confidence interval is 0.00918. There are 4 homozygotes in gnomad4. There are 265 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 541 AD gene.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
|---|---|---|---|---|---|---|---|
| TINF2 | NM_001099274.3 | c.1236C>T | p.Asn412= | synonymous_variant | 9/9 | ENST00000267415.12 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|
| TINF2 | ENST00000267415.12 | c.1236C>T | p.Asn412= | synonymous_variant | 9/9 | 1 | NM_001099274.3 | P1 |
Frequencies
GnomAD3 genomes 0.00355 AC: 541AN: 152200Hom.: 4 Cov.: 32
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GnomAD3 exomes AF: 0.00470 AC: 1172AN: 249564Hom.: 10 AF XY: 0.00518 AC XY: 701AN XY: 135408
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GnomAD4 exome AF: 0.00500 AC: 7315AN: 1461890Hom.: 40 Cov.: 32 AF XY: 0.00530 AC XY: 3858AN XY: 727246
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GnomAD4 genome 0.00355 AC: 541AN: 152318Hom.: 4 Cov.: 32 AF XY: 0.00356 AC XY: 265AN XY: 74470
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ClinVar
Significance: Benign/Likely benign
Submissions summary: Benign:8
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not provided Benign:3
| Benign, criteria provided, single submitter | clinical testing | CeGaT Center for Human Genetics Tuebingen | Feb 01, 2024 | TINF2: BP4, BP7, BS1, BS2 - |
| Likely benign, criteria provided, single submitter | not provided | Breakthrough Genomics, Breakthrough Genomics | - | - - |
| Likely benign, criteria provided, single submitter | clinical testing | GeneDx | May 07, 2021 | - - |
Revesz syndrome;C3151445:Dyskeratosis congenita, autosomal dominant 3;C4551974:Dyskeratosis congenita, autosomal dominant 1 Benign:1
| Likely benign, criteria provided, single submitter | clinical testing | Fulgent Genetics, Fulgent Genetics | May 19, 2022 | - - |
Dyskeratosis congenita, autosomal dominant 3 Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 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 benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Revesz syndrome Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 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 benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Dyskeratosis congenita Benign:1
| Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 31, 2024 | - - |
TINF2-related disorder Benign:1
| Benign, no assertion criteria provided | clinical testing | PreventionGenetics, part of Exact Sciences | Apr 29, 2019 | This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). - |
Computational scores
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Name
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
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