rs1800008
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Variant summary
Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1
The NM_004183.4(BEST1):c.1557C>T(p.Ser519Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.202 in 1,614,032 control chromosomes in the GnomAD database, including 36,061 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.16 ( 2526 hom., cov: 32)
Exomes 𝑓: 0.21 ( 33535 hom. )
Consequence
BEST1
NM_004183.4 synonymous
NM_004183.4 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -1.42
Genes affected
BEST1 (HGNC:12703): (bestrophin 1) This gene encodes a member of the bestrophin gene family. This small gene family is characterized by proteins with a highly conserved N-terminus with four to six transmembrane domains. Bestrophins may form chloride ion channels or may regulate voltage-gated L-type calcium-ion channels. Bestrophins are generally believed to form calcium-activated chloride-ion channels in epithelial cells but they have also been shown to be highly permeable to bicarbonate ion transport in retinal tissue. Mutations in this gene are responsible for juvenile-onset vitelliform macular dystrophy (VMD2), also known as Best macular dystrophy, in addition to adult-onset vitelliform macular dystrophy (AVMD) and other retinopathies. Alternative splicing results in multiple variants encoding distinct isoforms.[provided by RefSeq, Nov 2008]
FTH1 (HGNC:3976): (ferritin heavy chain 1) This gene encodes the heavy subunit of ferritin, the major intracellular iron storage protein in prokaryotes and eukaryotes. It is composed of 24 subunits of the heavy and light ferritin chains. Variation in ferritin subunit composition may affect the rates of iron uptake and release in different tissues. A major function of ferritin is the storage of iron in a soluble and nontoxic state. Defects in ferritin proteins are associated with several neurodegenerative diseases. This gene has multiple pseudogenes. Several alternatively spliced transcript variants have been observed, but their biological validity has not been determined. [provided by RefSeq, Jul 2008]
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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=-0.71).
BP6
Variant 11-61962711-C-T is Benign according to our data. Variant chr11-61962711-C-T is described in ClinVar as [Benign]. Clinvar id is 99680.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr11-61962711-C-T is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=-1.42 with no splicing effect.
BA1
GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.225 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
BEST1 | NM_004183.4 | c.1557C>T | p.Ser519Ser | synonymous_variant | 10/11 | ENST00000378043.9 | NP_004174.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
BEST1 | ENST00000378043.9 | c.1557C>T | p.Ser519Ser | synonymous_variant | 10/11 | 1 | NM_004183.4 | ENSP00000367282.4 |
Frequencies
GnomAD3 genomes AF: 0.159 AC: 24202AN: 152090Hom.: 2530 Cov.: 32
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GnomAD3 exomes AF: 0.175 AC: 43944AN: 251328Hom.: 4681 AF XY: 0.185 AC XY: 25132AN XY: 135828
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GnomAD4 exome AF: 0.206 AC: 301232AN: 1461824Hom.: 33535 Cov.: 38 AF XY: 0.208 AC XY: 151502AN XY: 727200
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GnomAD4 genome AF: 0.159 AC: 24195AN: 152208Hom.: 2526 Cov.: 32 AF XY: 0.157 AC XY: 11707AN XY: 74418
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ClinVar
Significance: Benign
Submissions summary: Benign:13Other:1
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:4
Benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | - | - - |
Benign, no assertion criteria provided | clinical testing | Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+ | - | - - |
Benign, no assertion criteria provided | clinical testing | Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center | - | - - |
Benign, criteria provided, single submitter | clinical testing | Eurofins Ntd Llc (ga) | Apr 16, 2014 | - - |
not provided Benign:3Other:1
Benign, criteria provided, single submitter | not provided | Breakthrough Genomics, Breakthrough Genomics | - | - - |
Benign, criteria provided, single submitter | clinical testing | GeneDx | Mar 03, 2015 | - - |
not provided, no classification provided | literature only | Retina International | - | - - |
Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 31, 2024 | - - |
Retinitis Pigmentosa, Recessive Benign:1
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jun 14, 2016 | - - |
Autosomal dominant vitreoretinochoroidopathy Benign:1
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jun 14, 2016 | - - |
Vitelliform macular dystrophy 2 Benign:1
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jun 14, 2016 | - - |
Iron Overload Benign:1
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jun 14, 2016 | - - |
Retinal dystrophy Benign:1
Benign, criteria provided, single submitter | research | Dept Of Ophthalmology, Nagoya University | Oct 01, 2023 | - - |
Retinitis pigmentosa Benign:1
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Apr 27, 2017 | This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases was too high to be consistent with this variant causing disease. Therefore, this variant is classified as benign. - |
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