18-48636622-G-A
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Variant summary
Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_ModerateBP6_ModerateBP7BS1BS2
The NM_014772.3(CTIF):c.189G>A(p.Ala63=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00664 in 1,583,110 control chromosomes in the GnomAD database, including 58 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).
Frequency
Genomes: 𝑓 0.0053 ( 5 hom., cov: 33)
Exomes 𝑓: 0.0068 ( 53 hom. )
Consequence
CTIF
NM_014772.3 synonymous
NM_014772.3 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -0.834
Genes affected
CTIF (HGNC:23925): (cap binding complex dependent translation initiation factor) CTIF is a component of the CBP80 (NCBP1; MIM 600469)/CBP20 (NCBP2; MIM 605133) translation initiation complex that binds cotranscriptionally to the cap end of nascent mRNA. The CBP80/CBP20 complex is involved in a simultaneous editing and translation step that recognizes premature termination codons (PTCs) in mRNAs and directs PTC-containing mRNAs toward nonsense-mediated decay (NMD). On mRNAs without PTCs, the CBP80/CBP20 complex is replaced with cytoplasmic mRNA cap-binding proteins, including EIF4G (MIM 600495), and steady-state translation of the mRNAs resumes in the cytoplasm (Kim et al., 2009 [PubMed 19648179]).[supplied by OMIM, Dec 2009]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -13 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.41).
BP6
Variant 18-48636622-G-A is Benign according to our data. Variant chr18-48636622-G-A is described in ClinVar as [Benign]. Clinvar id is 771922.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-0.834 with no splicing effect.
BS1
Variant frequency is greater than expected in population mid. gnomad4_exome allele frequency = 0.00678 (9703/1430782) while in subpopulation MID AF= 0.0434 (245/5642). AF 95% confidence interval is 0.039. There are 53 homozygotes in gnomad4_exome. There are 4876 alleles in male gnomad4_exome subpopulation. Median coverage is 30. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 5 gene
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
CTIF | NM_014772.3 | c.189G>A | p.Ala63= | synonymous_variant | 3/12 | ENST00000256413.8 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
CTIF | ENST00000256413.8 | c.189G>A | p.Ala63= | synonymous_variant | 3/12 | 1 | NM_014772.3 | A1 |
Frequencies
GnomAD3 genomes AF: 0.00529 AC: 805AN: 152210Hom.: 5 Cov.: 33
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GnomAD3 exomes AF: 0.00625 AC: 1372AN: 219560Hom.: 3 AF XY: 0.00660 AC XY: 788AN XY: 119364
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GnomAD4 exome AF: 0.00678 AC: 9703AN: 1430782Hom.: 53 Cov.: 30 AF XY: 0.00686 AC XY: 4876AN XY: 710564
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GnomAD4 genome AF: 0.00529 AC: 806AN: 152328Hom.: 5 Cov.: 33 AF XY: 0.00495 AC XY: 369AN XY: 74488
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ClinVar
Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not provided Benign:1
Benign, criteria provided, single submitter | clinical testing | Invitae | Aug 08, 2018 | - - |
Computational scores
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BayesDel_noAF
Benign
CADD
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DANN
Benign
RBP_binding_hub_radar
RBP_regulation_power_radar
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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