rs3027917
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Variant summary
Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBA1
The NM_001110792.2(MECP2):c.*7748C>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.02 in 112,074 control chromosomes in the GnomAD database, including 62 homozygotes. There are 595 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).
Frequency
Genomes: 𝑓 0.020 ( 62 hom., 595 hem., cov: 23)
Exomes 𝑓: 0.0 ( 0 hom. 0 hem. )
Failed GnomAD Quality Control
Consequence
MECP2
NM_001110792.2 3_prime_UTR
NM_001110792.2 3_prime_UTR
Scores
2
Clinical Significance
Conservation
PhyloP100: 0.289
Genes affected
MECP2 (HGNC:6990): (methyl-CpG binding protein 2) DNA methylation is the major modification of eukaryotic genomes and plays an essential role in mammalian development. Human proteins MECP2, MBD1, MBD2, MBD3, and MBD4 comprise a family of nuclear proteins related by the presence in each of a methyl-CpG binding domain (MBD). Each of these proteins, with the exception of MBD3, is capable of binding specifically to methylated DNA. MECP2, MBD1 and MBD2 can also repress transcription from methylated gene promoters. In contrast to other MBD family members, MECP2 is X-linked and subject to X inactivation. MECP2 is dispensible in stem cells, but is essential for embryonic development. MECP2 gene mutations are the cause of most cases of Rett syndrome, a progressive neurologic developmental disorder and one of the most common causes of cognitive disability in females. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Oct 2015]
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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=-0.84).
BP6
?
Variant X-154022619-G-A is Benign according to our data. Variant chrX-154022619-G-A is described in ClinVar as [Benign]. Clinvar id is 143282.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-154022619-G-A is described in Lovd as [Benign].
BA1
?
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.067 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
MECP2 | NM_001110792.2 | c.*7748C>T | 3_prime_UTR_variant | 3/3 | ENST00000453960.7 | ||
MECP2 | NM_004992.4 | c.*7748C>T | 3_prime_UTR_variant | 4/4 | ENST00000303391.11 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
MECP2 | ENST00000303391.11 | c.*7748C>T | 3_prime_UTR_variant | 4/4 | 1 | NM_004992.4 | P1 | ||
MECP2 | ENST00000453960.7 | c.*7748C>T | 3_prime_UTR_variant | 3/3 | 1 | NM_001110792.2 |
Frequencies
GnomAD3 genomes ? AF: 0.0200 AC: 2240AN: 112021Hom.: 62 Cov.: 23 AF XY: 0.0173 AC XY: 591AN XY: 34185
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GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0AN: 41Hom.: 0 Cov.: 0 AF XY: 0.00 AC XY: 0AN XY: 9
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GnomAD4 genome ? AF: 0.0200 AC: 2247AN: 112074Hom.: 62 Cov.: 23 AF XY: 0.0174 AC XY: 595AN XY: 34248
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ClinVar
Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Benign:1
Benign, no assertion criteria provided | curation | RettBASE | Mar 10, 2010 | - - |
Rett syndrome Benign:1
Benign, criteria provided, single submitter | curation | Centre for Population Genomics, CPG | Aug 14, 2023 | This variant has been collected from RettBASE and curated to current modified ACMG/AMP criteria.Based on the classification scheme defined by the ClinGen Rett/Angelman-like Expert Panel for Rett/AS-like Disorders Specifications to the ACMG/AMP Variant Interpretation Guidelines VCEP 2.0, this variant is classified as benign. At least the following criteria are met: The allele frequency of this variant in at least one population in gnomAD is higher than the 0.03% threshold defined by the ClinGen Rett/Angelman-like Expert Panel for Rett/AS-like Disorders VCEP 2.0 (BA1). - |
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