rs1555551728
Variant summary
Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate
The NM_002474.3(MYH11):c.4888G>C(p.Glu1630Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000124 in 1,613,990 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 (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. E1630D) has been classified as Uncertain significance.
Frequency
Consequence
NM_002474.3 missense
Scores
Clinical Significance
Conservation
Publications
- lissencephaly 4Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: PanelApp Australia, Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine
- hydranencephalyInheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
- microlissencephalyInheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
- NDE1-related microhydranencephalyInheritance: Unknown, AR Classification: SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Orphanet
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ACMG classification
Our verdict: Uncertain_significance. The variant received 4 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| MYH11 | NM_002474.3 | c.4888G>C | p.Glu1630Gln | missense_variant | Exon 34 of 41 | ENST00000300036.6 | NP_002465.1 | |
| MYH11 | NM_001040113.2 | c.4909G>C | p.Glu1637Gln | missense_variant | Exon 35 of 43 | ENST00000452625.7 | NP_001035202.1 | |
| NDE1 | NM_017668.3 | c.948-3975C>G | intron_variant | Intron 8 of 8 | ENST00000396354.6 | NP_060138.1 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| MYH11 | ENST00000300036.6 | c.4888G>C | p.Glu1630Gln | missense_variant | Exon 34 of 41 | 1 | NM_002474.3 | ENSP00000300036.5 | ||
| MYH11 | ENST00000452625.7 | c.4909G>C | p.Glu1637Gln | missense_variant | Exon 35 of 43 | 1 | NM_001040113.2 | ENSP00000407821.2 | ||
| NDE1 | ENST00000396354.6 | c.948-3975C>G | intron_variant | Intron 8 of 8 | 1 | NM_017668.3 | ENSP00000379642.1 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152096Hom.: 0 Cov.: 31 show subpopulations
GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461894Hom.: 0 Cov.: 34 AF XY: 0.00 AC XY: 0AN XY: 727248 show subpopulations ⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
Age Distribution
GnomAD4 genome AF: 0.00000657 AC: 1AN: 152096Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0AN XY: 74288 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
Familial thoracic aortic aneurysm and aortic dissection Uncertain:1
- -
Aortic aneurysm, familial thoracic 4 Uncertain:1
This sequence change replaces glutamic acid, which is acidic and polar, with glutamine, which is neutral and polar, at codon 1637 of the MYH11 protein (p.Glu1637Gln). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MYH11-related conditions. ClinVar contains an entry for this variant (Variation ID: 465744). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt MYH11 protein function. 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. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at