9-133261366-A-AC
Variant summary
Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP6
The NM_020469.3(ABO):c.106dupG(p.Val36GlyfsTer21) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000415 in 1,445,212 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Benign,Affects (no stars). Variant results in nonsense mediated mRNA decay.
Frequency
Consequence
NM_020469.3 frameshift
Scores
Clinical Significance
Conservation
Genome browser will be placed here
ACMG classification
Verdict is Uncertain_significance. Variant got 1 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
ABO | NM_020469.3 | c.106dupG | p.Val36GlyfsTer21 | frameshift_variant | Exon 3 of 8 | NP_065202.2 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
ABO | ENST00000538324.2 | c.106dupG | p.Val36GlyfsTer21 | frameshift_variant | Exon 3 of 9 | 5 | ENSP00000483018.1 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD3 exomes AF: 0.0000135 AC: 3AN: 222192Hom.: 0 AF XY: 0.00000837 AC XY: 1AN XY: 119486
GnomAD4 exome AF: 0.00000415 AC: 6AN: 1445212Hom.: 0 Cov.: 33 AF XY: 0.00000558 AC XY: 4AN XY: 716930
GnomAD4 genome Cov.: 32
ClinVar
Submissions by phenotype
Severely weakened expression of A on erythrocytes Benign:1
- -
ABO blood group system Other:1
Sample has c.106delTinsGG present in cis with c.260_261insG. Predict either A(end) or possible A3 subgroup. Observed serology on Australian donor sample indicated the similarity to A3 subgroup, but weaker in reactivity with the antisera tested. However, no known ABO*A3 alleles are present and unable to perform further serology testing as donor has not returned. Additional samples received from Lok Samarpan Raktadan Kendra (Surat India) also carry this variant and display serological reactivity of A(end) -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at