14-47355318-C-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001113498.3(MDGA2):​c.281-53768G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Consequence

MDGA2
NM_001113498.3 intron

Scores

2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.80
Variant links:
Genes affected
MDGA2 (HGNC:19835): (MAM domain containing glycosylphosphatidylinositol anchor 2) Predicted to be involved in regulation of presynapse assembly; regulation of synaptic membrane adhesion; and spinal cord motor neuron differentiation. Predicted to act upstream of or within neuron migration and pattern specification process. Predicted to be located in extracellular region and plasma membrane. Predicted to be active in GABA-ergic synapse and glutamatergic synapse. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.98).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MDGA2NM_001113498.3 linkuse as main transcriptc.281-53768G>T intron_variant ENST00000399232.8 NP_001106970.4
MDGA2XM_011536522.4 linkuse as main transcriptc.281-53768G>T intron_variant XP_011534824.1
MDGA2XM_017021061.3 linkuse as main transcriptc.281-53768G>T intron_variant XP_016876550.1
MDGA2XM_047431051.1 linkuse as main transcriptc.281-53768G>T intron_variant XP_047287007.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MDGA2ENST00000399232.8 linkuse as main transcriptc.281-53768G>T intron_variant 1 NM_001113498.3 ENSP00000382178 P1Q7Z553-3
MDGA2ENST00000557238.5 linkuse as main transcriptc.-614-53768G>T intron_variant, NMD_transcript_variant 5 ENSP00000452593

Frequencies

GnomAD3 genomes
Cov.:
32
We have no GnomAD4 exomes data on this position. Probably position not covered by the project.
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.98
CADD
Benign
0.16
DANN
Benign
0.47

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs2416054; hg19: chr14-47824521; API