rs2035961

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_000642.3(AGL):​c.2950-21T>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.534 in 1,611,376 control chromosomes in the GnomAD database, including 232,599 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.49 ( 18798 hom., cov: 31)
Exomes 𝑓: 0.54 ( 213801 hom. )

Consequence

AGL
NM_000642.3 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 0.0910
Variant links:
Genes affected
AGL (HGNC:321): (amylo-alpha-1, 6-glucosidase, 4-alpha-glucanotransferase) This gene encodes the glycogen debrancher enzyme which is involved in glycogen degradation. This enzyme has two independent catalytic activities which occur at different sites on the protein: a 4-alpha-glucotransferase activity and a amylo-1,6-glucosidase activity. Mutations in this gene are associated with glycogen storage disease although a wide range of enzymatic and clinical variability occurs which may be due to tissue-specific alternative splicing. Alternatively spliced transcripts encoding different isoforms have been described. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.8).
BP6
Variant 1-99891585-T-A is Benign according to our data. Variant chr1-99891585-T-A is described in ClinVar as [Benign]. Clinvar id is 256733.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.656 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
AGLNM_000642.3 linkuse as main transcriptc.2950-21T>A intron_variant ENST00000361915.8 NP_000633.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
AGLENST00000361915.8 linkuse as main transcriptc.2950-21T>A intron_variant 1 NM_000642.3 ENSP00000355106 P1P35573-1

Frequencies

GnomAD3 genomes
AF:
0.489
AC:
74232
AN:
151708
Hom.:
18763
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.376
Gnomad AMI
AF:
0.464
Gnomad AMR
AF:
0.545
Gnomad ASJ
AF:
0.388
Gnomad EAS
AF:
0.675
Gnomad SAS
AF:
0.593
Gnomad FIN
AF:
0.485
Gnomad MID
AF:
0.345
Gnomad NFE
AF:
0.531
Gnomad OTH
AF:
0.487
GnomAD3 exomes
AF:
0.537
AC:
134648
AN:
250876
Hom.:
36969
AF XY:
0.537
AC XY:
72825
AN XY:
135622
show subpopulations
Gnomad AFR exome
AF:
0.380
Gnomad AMR exome
AF:
0.613
Gnomad ASJ exome
AF:
0.395
Gnomad EAS exome
AF:
0.659
Gnomad SAS exome
AF:
0.585
Gnomad FIN exome
AF:
0.479
Gnomad NFE exome
AF:
0.527
Gnomad OTH exome
AF:
0.519
GnomAD4 exome
AF:
0.538
AC:
785552
AN:
1459550
Hom.:
213801
Cov.:
40
AF XY:
0.538
AC XY:
391027
AN XY:
726170
show subpopulations
Gnomad4 AFR exome
AF:
0.370
Gnomad4 AMR exome
AF:
0.602
Gnomad4 ASJ exome
AF:
0.403
Gnomad4 EAS exome
AF:
0.676
Gnomad4 SAS exome
AF:
0.585
Gnomad4 FIN exome
AF:
0.488
Gnomad4 NFE exome
AF:
0.540
Gnomad4 OTH exome
AF:
0.517
GnomAD4 genome
AF:
0.489
AC:
74307
AN:
151826
Hom.:
18798
Cov.:
31
AF XY:
0.491
AC XY:
36454
AN XY:
74212
show subpopulations
Gnomad4 AFR
AF:
0.376
Gnomad4 AMR
AF:
0.546
Gnomad4 ASJ
AF:
0.388
Gnomad4 EAS
AF:
0.674
Gnomad4 SAS
AF:
0.594
Gnomad4 FIN
AF:
0.485
Gnomad4 NFE
AF:
0.532
Gnomad4 OTH
AF:
0.494
Alfa
AF:
0.499
Hom.:
3540
Bravo
AF:
0.490
Asia WGS
AF:
0.626
AC:
2176
AN:
3476

ClinVar

Significance: Benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingGeneDxJun 23, 2018- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
not specified Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -
Glycogen storage disease type III Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabJul 14, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.80
CADD
Benign
5.5
DANN
Benign
0.51

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: rs2035961; hg19: chr1-100357141; COSMIC: COSV54051217; API