rs144080051
Variant summary
Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BA1BP5
This summary comes from the ClinGen Evidence Repository: The filtering allele frequency of the c.848C>T (p.Ala283Val) variant in the MAP2K1 gene is 0.052% for African chromosomes by the Exome Aggregation Consortium (10/10366 with 95% CI), which is a high enough frequency to be classified as benign based on thresholds defined by the ClinGen RASopathy Expert panel for autosomal dominant RASopathy variants (BA1). This variant has been identified in a patient with an alternate molecular basis for disease (BP5; Partners LMM, GeneDx internal data; GTR ID: 21766, 26957; ClinVar SCV000207935.12; SCV000061262.5). In summary, this variant meets criteria to be classified as benign. RASopathy-specific ACMG/AMP criteria applied (PMID:29493581): BA1, BP5. LINK:https://erepo.genome.network/evrepo/ui/classification/CA134622/MONDO:0021060/004
Frequency
Consequence
NM_002755.4 missense
Scores
Clinical Significance
Conservation
Publications
- cardiofaciocutaneous syndromeInheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
- cardiofaciocutaneous syndrome 3Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE Submitted by: G2P, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics
- Noonan syndrome with multiple lentiginesInheritance: AD Classification: STRONG, LIMITED Submitted by: Genomics England PanelApp, ClinGen
- Noonan syndromeInheritance: AD Classification: LIMITED Submitted by: ClinGen
- Costello syndromeInheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
- Noonan syndrome-like disorder with loose anagen hairInheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
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ACMG classification
Our verdict: Benign. The variant received -9 ACMG points.
Variant Effect in Transcripts
ACMG analysis was done for transcript: NM_002755.4. You can select a different transcript below to see updated ACMG assignments.
Ensembl Transcripts
| Sel. | Gene | Transcript | Tags | HGVSc | HGVSp | Effect | Exon Rank | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|---|
| MAP2K1 | TSL:1 MANE Select | c.848C>T | p.Ala283Val | missense | Exon 7 of 11 | ENSP00000302486.5 | Q02750-1 | ||
| MAP2K1 | c.848C>T | p.Ala283Val | missense | Exon 7 of 10 | ENSP00000509604.1 | A0A8I5KYB4 | |||
| MAP2K1 | c.899C>T | p.Ala300Val | missense | Exon 8 of 12 | ENSP00000509308.1 | A0A8I5KRX5 |
Frequencies
GnomAD3 genomes AF: 0.000263 AC: 40AN: 152156Hom.: 0 Cov.: 32 show subpopulations
GnomAD2 exomes AF: 0.0000517 AC: 13AN: 251410 AF XY: 0.0000294 show subpopulations
GnomAD4 exome AF: 0.0000198 AC: 29AN: 1461724Hom.: 0 Cov.: 32 AF XY: 0.0000206 AC XY: 15AN XY: 727144 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.000263 AC: 40AN: 152156Hom.: 0 Cov.: 32 AF XY: 0.000269 AC XY: 20AN XY: 74332 show subpopulations
Age Distribution
ClinVar
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at