21-7954268-T-G

Variant names:

• chr21-7954268-T-G
• rs276789

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The variant allele was found at a frequency of 0.00000674 in 148,420 control chromosomes in the GnomAD database, with no homozygous occurrence. 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: 𝑓 0.0000067 (0 hom., cov: 123)
• Consequence: Unknown
• Clinical Significance: Not reported in ClinVar
• Conservation: No conservation score assigned
• Publications: 1 publications found

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (Cadd=11.15).

Variant Effect in Transcripts

 

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
There are no transcript annotations for this variant.

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
There are no transcript annotations for this variant.

Frequencies

GnomAD3 genomes AF: 0.00000674 AC: 1 AN: 148308 Hom.: 0 Cov.: 123

Gnomad AFR AF: 0.0000245

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.00000674 AC: 1 AN: 148420 Hom.: 0 Cov.: 123 AF XY: 0.0000138 AC XY: 1 AN XY: 72496

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.0000244 AC: 1 AN: 40904

American (AMR) AF: 0.00 AC: 0 AN: 14846

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3370

East Asian (EAS) AF: 0.00 AC: 0 AN: 5014

South Asian (SAS) AF: 0.00 AC: 0 AN: 4692

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10288

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 290

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 66118

Other (OTH) AF: 0.00 AC: 0 AN: 2028

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
CADD	Benign	11

Splicing

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

Other links and lift over

dbSNP: rs276789;