12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP6_Moderate

The NM_001940.4(ATN1):​c.1454_1455insGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCA​(p.Gln485_Gln486insGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGln) variant causes a disruptive inframe insertion change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. It is difficult to determine the true allele frequency of this variant because it is of type INS_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. Variant has been reported in ClinVar as Likely benign (★). Synonymous variant affecting the same amino acid position (i.e. Q485Q) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 28)

Consequence

ATN1
NM_001940.4 disruptive_inframe_insertion

Scores

Not classified

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 3.13

Publications

0 publications found
Variant links:
Genes affected
ATN1 (HGNC:3033): (atrophin 1) Dentatorubral pallidoluysian atrophy (DRPLA) is a rare neurodegenerative disorder characterized by cerebellar ataxia, myoclonic epilepsy, choreoathetosis, and dementia. The disorder is related to the expansion from 7-35 copies to 49-93 copies of a trinucleotide repeat (CAG/CAA) within this gene. The encoded protein includes a serine repeat and a region of alternating acidic and basic amino acids, as well as the variable glutamine repeat. Alternative splicing results in two transcripts variants that encode the same protein. [provided by RefSeq, Jul 2016]
ATN1 Gene-Disease associations (from GenCC):
  • congenital hypotonia, epilepsy, developmental delay, and digital anomalies
    Inheritance: AD Classification: STRONG, MODERATE Submitted by: G2P, Illumina, Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • dentatorubral-pallidoluysian atrophy
    Inheritance: AD Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae)

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ACMG classification

Classification was made for transcript

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

BP6
Variant 12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is Benign according to our data. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-6936716-C-CCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAG is described in CliVar as Likely_benign. Clinvar id is 420621.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ATN1NM_001940.4 linkc.1454_1455insGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCA p.Gln485_Gln486insGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGln disruptive_inframe_insertion Exon 5 of 10 ENST00000396684.3 NP_001931.2 P54259

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ATN1ENST00000396684.3 linkc.1454_1455insGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCA p.Gln485_Gln486insGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGln disruptive_inframe_insertion Exon 5 of 10 1 NM_001940.4 ENSP00000379915.2 P54259
ATN1ENST00000356654.8 linkc.1454_1455insGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCAGCA p.Gln485_Gln486insGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGlnGln disruptive_inframe_insertion Exon 5 of 10 1 ENSP00000349076.3 P54259

Frequencies

GnomAD3 genomes
Cov.:
28
GnomAD4 exome
Cov.:
44
GnomAD4 genome
Cov.:
28

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Benign:1
Mar 12, 2016
GeneDx
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
PhyloP100
3.1
Mutation Taster
=80/20
polymorphism

Splicing

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

Publications

Other links and lift over

dbSNP: rs193922934; hg19: chr12-7045879; API