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GeneBe

11-64746673-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_005609.4(PYGM):c.2515G>A(p.Asp839Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000105 in 1,614,054 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D839V) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

PYGM
NM_005609.4 missense

Scores

2
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.69
Variant links:
Genes affected
PYGM (HGNC:9726): (glycogen phosphorylase, muscle associated) This gene encodes a muscle enzyme involved in glycogenolysis. Highly similar enzymes encoded by different genes are found in liver and brain. Mutations in this gene are associated with McArdle disease (myophosphorylase deficiency), a glycogen storage disease of muscle. Alternative splicing results in multiple transcript variants.[provided by RefSeq, Sep 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.088475615).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PYGMNM_005609.4 linkuse as main transcriptc.2515G>A p.Asp839Asn missense_variant 20/20 ENST00000164139.4
PYGMNM_001164716.1 linkuse as main transcriptc.2251G>A p.Asp751Asn missense_variant 18/18

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PYGMENST00000164139.4 linkuse as main transcriptc.2515G>A p.Asp839Asn missense_variant 20/201 NM_005609.4 P1P11217-1
PYGMENST00000377432.7 linkuse as main transcriptc.2251G>A p.Asp751Asn missense_variant 18/182 P11217-2
PYGMENST00000483742.1 linkuse as main transcriptn.1868G>A non_coding_transcript_exon_variant 3/32

Frequencies

GnomAD3 genomes
AF:
0.0000526
AC:
8
AN:
152176
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000193
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
GnomAD3 exomes
AF:
0.0000119
AC:
3
AN:
251402
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135890
show subpopulations
Gnomad AFR exome
AF:
0.000185
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000616
AC:
9
AN:
1461878
Hom.:
0
Cov.:
31
AF XY:
0.00000688
AC XY:
5
AN XY:
727242
show subpopulations
Gnomad4 AFR exome
AF:
0.000149
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000360
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000526
AC:
8
AN:
152176
Hom.:
0
Cov.:
33
AF XY:
0.0000538
AC XY:
4
AN XY:
74338
show subpopulations
Gnomad4 AFR
AF:
0.000193
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000197
Hom.:
0
Bravo
AF:
0.0000718
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000247
AC:
3

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Glycogen storage disease, type V Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingRevvity Omics, RevvityAug 02, 2020- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.24
Cadd
Benign
17
Dann
Benign
0.67
Eigen
Benign
-0.56
Eigen_PC
Benign
-0.35
FATHMM_MKL
Uncertain
0.77
D
LIST_S2
Uncertain
0.88
D;D
M_CAP
Benign
0.046
D
MetaRNN
Benign
0.088
T;T
MetaSVM
Benign
-0.39
T
MutationTaster
Benign
1.0
D;D
PrimateAI
Benign
0.46
T
PROVEAN
Benign
0.93
N;N
REVEL
Benign
0.24
Sift
Benign
1.0
T;T
Sift4G
Benign
1.0
T;T
Polyphen
0.0
.;B
Vest4
0.17
MVP
0.84
MPC
0.22
ClinPred
0.047
T
GERP RS
4.4
Varity_R
0.082
gMVP
0.45

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: rs147307168; hg19: chr11-64514145; API