chr1-54850033-C-T
Variant summary
Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2
The NM_014762.4(DHCR24):c.*2200G>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00157 in 151,872 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).
Frequency
Genomes: 𝑓 0.0016 ( 2 hom., cov: 33)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control
Consequence
DHCR24
NM_014762.4 3_prime_UTR
NM_014762.4 3_prime_UTR
Scores
2
Clinical Significance
Conservation
PhyloP100: 0.0140
Genes affected
DHCR24 (HGNC:2859): (24-dehydrocholesterol reductase) This gene encodes a flavin adenine dinucleotide (FAD)-dependent oxidoreductase which catalyzes the reduction of the delta-24 double bond of sterol intermediates during cholesterol biosynthesis. The protein contains a leader sequence that directs it to the endoplasmic reticulum membrane. Missense mutations in this gene have been associated with desmosterolosis. Also, reduced expression of the gene occurs in the temporal cortex of Alzheimer disease patients and overexpression has been observed in adrenal gland cancer cells. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -14 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.79).
BP6
?
Variant 1-54850033-C-T is Benign according to our data. Variant chr1-54850033-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 876971.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
?
Variant frequency is greater than expected in population amr. gnomad4 allele frequency = 0.00157 (239/151872) while in subpopulation AMR AF= 0.014 (213/15256). AF 95% confidence interval is 0.0124. There are 2 homozygotes in gnomad4. There are 138 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
?
High Homozygotes in GnomAd at 2 AR gene
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
DHCR24 | NM_014762.4 | c.*2200G>A | 3_prime_UTR_variant | 9/9 | ENST00000371269.9 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
DHCR24 | ENST00000371269.9 | c.*2200G>A | 3_prime_UTR_variant | 9/9 | 1 | NM_014762.4 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.00157 AC: 239AN: 151754Hom.: 2 Cov.: 33
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GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0AN: 58Hom.: 0 Cov.: 0 AF XY: 0.00 AC XY: 0AN XY: 40
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GnomAD4 genome ? AF: 0.00157 AC: 239AN: 151872Hom.: 2 Cov.: 33 AF XY: 0.00186 AC XY: 138AN XY: 74220
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Desmosterolosis Benign:1
Likely 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 likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. - |
Computational scores
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BayesDel_noAF
Benign
Cadd
Benign
Dann
Benign
RBP_binding_hub_radar
RBP_regulation_power_radar
Splicing
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at