rs140731551

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 1P and 1B. PP2BP4

The NM_005609.4(PYGM):​c.64G>A​(p.Val22Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000954 in 1,614,026 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000099 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000095 ( 0 hom. )

Consequence

PYGM
NM_005609.4 missense

Scores

2
11
5

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:6

Conservation

PhyloP100: 2.64

Publications

4 publications found
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]
PYGM Gene-Disease associations (from GenCC):
  • glycogen storage disease V
    Inheritance: AR, AD Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: ClinGen, Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae), Genomics England PanelApp

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PP2
Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 37 curated pathogenic missense variants (we use a threshold of 10). The gene has 5 curated benign missense variants. Gene score misZ: 0.046884 (below the threshold of 3.09). Trascript score misZ: 1.6804 (below the threshold of 3.09). GenCC associations: The gene is linked to glycogen storage disease V.
BP4
Computational evidence support a benign effect (MetaRNN=0.405859).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005609.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PYGM
NM_005609.4
MANE Select
c.64G>Ap.Val22Met
missense
Exon 1 of 20NP_005600.1P11217-1
PYGM
NM_001164716.1
c.64G>Ap.Val22Met
missense
Exon 1 of 18NP_001158188.1P11217-2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PYGM
ENST00000164139.4
TSL:1 MANE Select
c.64G>Ap.Val22Met
missense
Exon 1 of 20ENSP00000164139.3P11217-1
PYGM
ENST00000967737.1
c.64G>Ap.Val22Met
missense
Exon 1 of 21ENSP00000637796.1
PYGM
ENST00000938870.1
c.64G>Ap.Val22Met
missense
Exon 1 of 20ENSP00000608929.1

Frequencies

GnomAD3 genomes
AF:
0.0000986
AC:
15
AN:
152152
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000414
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000103
Gnomad OTH
AF:
0.000957
GnomAD2 exomes
AF:
0.0000199
AC:
5
AN:
251464
AF XY:
0.00000736
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000352
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000951
AC:
139
AN:
1461874
Hom.:
0
Cov.:
31
AF XY:
0.0000908
AC XY:
66
AN XY:
727236
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.0000224
AC:
1
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53416
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000121
AC:
134
AN:
1112000
Other (OTH)
AF:
0.0000497
AC:
3
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.516
Heterozygous variant carriers
0
10
20
29
39
49
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000986
AC:
15
AN:
152152
Hom.:
0
Cov.:
32
AF XY:
0.0000942
AC XY:
7
AN XY:
74320
show subpopulations
African (AFR)
AF:
0.0000483
AC:
2
AN:
41416
American (AMR)
AF:
0.000131
AC:
2
AN:
15284
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5192
South Asian (SAS)
AF:
0.000414
AC:
2
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10612
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000103
AC:
7
AN:
68028
Other (OTH)
AF:
0.000957
AC:
2
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.472
Heterozygous variant carriers
0
1
2
3
4
5
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000772
Hom.:
0
Bravo
AF:
0.000170
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.00
AC:
0
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
EpiCase
AF:
0.0000545
EpiControl
AF:
0.000119

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
5
-
Glycogen storage disease, type V (5)
-
1
-
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.17
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
0.040
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Benign
0.16
T
Eigen
Uncertain
0.22
Eigen_PC
Uncertain
0.30
FATHMM_MKL
Uncertain
0.85
D
LIST_S2
Pathogenic
0.98
D
M_CAP
Uncertain
0.089
D
MetaRNN
Benign
0.41
T
MetaSVM
Uncertain
0.48
D
MutationAssessor
Pathogenic
3.3
M
PhyloP100
2.6
PrimateAI
Uncertain
0.64
T
PROVEAN
Benign
-0.99
N
REVEL
Uncertain
0.35
Sift
Uncertain
0.0070
D
Sift4G
Benign
0.13
T
Polyphen
0.79
P
Vest4
0.56
MVP
0.91
MPC
0.30
ClinPred
0.88
D
GERP RS
5.4
PromoterAI
0.13
Neutral
Varity_R
0.18
gMVP
0.60
Mutation Taster
=58/42
polymorphism

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

Other links and lift over

dbSNP: rs140731551; hg19: chr11-64527307; COSMIC: COSV51215356; COSMIC: COSV51215356; API