19-4110583-T-G
Variant summary
Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PM1PM2PM5PP3
The NM_030662.4(MAP2K2):āc.376A>Cā(p.Asn126His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,710 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā ). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N126D) has been classified as Likely pathogenic.
Frequency
Consequence
NM_030662.4 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_pathogenic. Variant got 7 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
MAP2K2 | NM_030662.4 | c.376A>C | p.Asn126His | missense_variant | 3/11 | ENST00000262948.10 | |
MAP2K2 | XM_006722799.3 | c.376A>C | p.Asn126His | missense_variant | 3/9 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
MAP2K2 | ENST00000262948.10 | c.376A>C | p.Asn126His | missense_variant | 3/11 | 1 | NM_030662.4 | P1 | |
MAP2K2 | ENST00000394867.9 | n.815A>C | non_coding_transcript_exon_variant | 2/10 | 5 | ||||
MAP2K2 | ENST00000599345.1 | n.573A>C | non_coding_transcript_exon_variant | 3/7 | 5 | ||||
MAP2K2 | ENST00000687128.1 | n.815A>C | non_coding_transcript_exon_variant | 2/7 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD4 exome AF: 0.00000274 AC: 4AN: 1461710Hom.: 0 Cov.: 32 AF XY: 0.00000275 AC XY: 2AN XY: 727138
GnomAD4 genome Cov.: 32
ClinVar
Submissions by phenotype
RASopathy Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Dec 04, 2018 | 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. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with MAP2K2-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces asparagine with histidine at codon 126 of the MAP2K2 protein (p.Asn126His). The asparagine residue is highly conserved and there is a small physicochemical difference between asparagine and histidine. - |
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at