rs61749724
Positions:
Variant summary
Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM1PM2PP3_Moderate
The NM_001110792.2(MECP2):c.647C>T(p.Ser216Leu) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: not found (cov: 22)
Exomes 𝑓: 9.1e-7 ( 0 hom. 1 hem. )
Failed GnomAD Quality Control
Consequence
MECP2
NM_001110792.2 missense
NM_001110792.2 missense
Scores
2
2
2
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: 5.69
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 Likely_pathogenic. Variant got 6 ACMG points.
PM1
In a modified_residue Phosphoserine (size 0) in uniprot entity MECP2_HUMAN
PM2
Very rare variant in population databases, with high coverage;
PP3
BayesDel_addAF computational evidence supports a deleterious effect, 0.317
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
MECP2 | NM_001110792.2 | c.647C>T | p.Ser216Leu | missense_variant | 3/3 | ENST00000453960.7 | NP_001104262.1 | |
MECP2 | NM_004992.4 | c.611C>T | p.Ser204Leu | missense_variant | 4/4 | ENST00000303391.11 | NP_004983.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
MECP2 | ENST00000453960.7 | c.647C>T | p.Ser216Leu | missense_variant | 3/3 | 1 | NM_001110792.2 | ENSP00000395535 | ||
MECP2 | ENST00000303391.11 | c.611C>T | p.Ser204Leu | missense_variant | 4/4 | 1 | NM_004992.4 | ENSP00000301948 | P1 |
Frequencies
GnomAD3 genomes Cov.: 22
GnomAD3 genomes
Cov.:
22
GnomAD3 exomes AF: 0.00000545 AC: 1AN: 183492Hom.: 0 AF XY: 0.0000147 AC XY: 1AN XY: 67926
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GnomAD4 exome Data not reliable, filtered out with message: AS_VQSR AF: 9.11e-7 AC: 1AN: 1098256Hom.: 0 Cov.: 35 AF XY: 0.00000275 AC XY: 1AN XY: 363616
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
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GnomAD4 genome Cov.: 22
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22
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ClinVar
Not reported inComputational scores
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Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Uncertain
CADD
Benign
DANN
Uncertain
FATHMM_MKL
Pathogenic
D
MutationTaster
Benign
D;D;D
Vest4
ClinPred
D
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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