11-72000028-A-G
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Variant summary
Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong
The NM_001039660.2(IL18BP):c.28+16A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000248 in 1,613,668 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 Uncertain significance (★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )
Consequence
IL18BP
NM_001039660.2 intron
NM_001039660.2 intron
Scores
2
Clinical Significance
Conservation
PhyloP100: 0.0730
Genes affected
IL18BP (HGNC:5987): (interleukin 18 binding protein) The protein encoded by this gene functions as an inhibitor of the proinflammatory cytokine, IL18. It binds IL18, prevents the binding of IL18 to its receptor, and thus inhibits IL18-induced IFN-gamma production, resulting in reduced T-helper type 1 immune responses. This protein is constitutively expressed and secreted in mononuclear cells. Elevated level of this protein is detected in the intestinal tissues of patients with Crohn's disease. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Feb 2011]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -2 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.88).
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
IL18BP | NM_001039660.2 | c.28+16A>G | intron_variant | ENST00000393703.9 | NP_001034749.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
IL18BP | ENST00000393703.9 | c.28+16A>G | intron_variant | 3 | NM_001039660.2 | ENSP00000377306 | P1 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152218Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 0.00000205 AC: 3AN: 1461450Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1AN XY: 727052
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GnomAD4 genome AF: 0.00000657 AC: 1AN: 152218Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1AN XY: 74358
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not provided Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Oct 09, 2023 | This sequence change falls in intron 1 of the IL18BP gene. It does not directly change the encoded amino acid sequence of the IL18BP protein. This variant is present in population databases (no rsID available, gnomAD 0.06%). This variant has not been reported in the literature in individuals affected with IL18BP-related conditions. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. - |
Computational scores
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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