16-68324762-T-TTGGCAC
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Variant summary
Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PM4
The NM_019023.5(PRMT7):c.219_224dup(p.Thr75_Gly76dup) variant causes a inframe insertion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000248 in 1,613,804 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000021 ( 0 hom. )
Consequence
PRMT7
NM_019023.5 inframe_insertion
NM_019023.5 inframe_insertion
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 0.717
Genes affected
PRMT7 (HGNC:25557): (protein arginine methyltransferase 7) This gene encodes a member of the protein arginine N-methyltransferase family of proteins. The encoded enzyme transfers single methyl groups to arginine residues to generate monomethylarginines on histone proteins as well as other protein substrates. This enzyme plays a role in a wide range of biological processes, including neuronal differentiation, male germ line imprinting, small nuclear ribonucleoprotein biogenesis, and regulation of the Wnt signaling pathway. Mutations in this gene underlie multiple related syndromes in human patients characterized by intellectual disability, short stature and other features. The encoded protein may promote breast cancer cell invasion and metastasis in human patients. [provided by RefSeq, May 2017]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 4 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
PM4
Nonframeshift variant in NON repetitive region in NM_019023.5.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
|---|---|---|---|---|---|---|---|
| PRMT7 | NM_019023.5 | c.219_224dup | p.Thr75_Gly76dup | inframe_insertion | 5/19 | ENST00000441236.3 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|
| PRMT7 | ENST00000441236.3 | c.219_224dup | p.Thr75_Gly76dup | inframe_insertion | 5/19 | 1 | NM_019023.5 | P1 |
Frequencies
GnomAD3 genomes 0.00000657 AC: 1AN: 152268Hom.: 0 Cov.: 33
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GnomAD4 exome AF: 0.00000205 AC: 3AN: 1461536Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1AN XY: 727098
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GnomAD4 genome 0.00000657 AC: 1AN: 152268Hom.: 0 Cov.: 33 AF XY: 0.00 AC XY: 0AN XY: 74396
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not provided Uncertain:1
| Uncertain significance, criteria provided, single submitter | clinical testing | GeneDx | Sep 08, 2023 | Not observed at significant frequency in large population cohorts (gnomAD); In-frame insertion of 2 amino acids in a non-repeat region; Has not been previously published as pathogenic or benign to our knowledge - |
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Find out detailed SpliceAI scores and Pangolin per-transcript scores at