16-30751096-G-T

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The ENST00000563588.6(PHKG2):​c.96-10G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000564 in 1,613,000 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0031 ( 2 hom., cov: 33)
Exomes 𝑓: 0.00030 ( 1 hom. )

Consequence

PHKG2
ENST00000563588.6 intron

Scores

2
Splicing: ADA: 0.00002636
2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: -0.192

Publications

0 publications found
Variant links:
Genes affected
PHKG2 (HGNC:8931): (phosphorylase kinase catalytic subunit gamma 2) Phosphorylase kinase is a polymer of 16 subunits, four each of alpha, beta, gamma and delta. The alpha subunit includes the skeletal muscle and hepatic isoforms, encoded by two different genes. The beta subunit is the same in both the muscle and hepatic isoforms, and encoded by one gene. The gamma subunit also includes the skeletal muscle and hepatic isoforms, and the hepatic isoform is encoded by this gene. The delta subunit is a calmodulin and can be encoded by three different genes. The gamma subunits contain the active site of the enzyme, whereas the alpha and beta subunits have regulatory functions controlled by phosphorylation. The delta subunit mediates the dependence of the enzyme on calcium concentration. Mutations in this gene cause glycogen storage disease type 9C, also known as autosomal liver glycogenosis. Alternatively spliced transcript variants encoding different isoforms have been identified in this gene.[provided by RefSeq, Feb 2010]
PHKG2 Gene-Disease associations (from GenCC):
  • glycogen storage disease IXc
    Inheritance: AR Classification: STRONG Submitted by: Genomics England PanelApp, PanelApp Australia, Labcorp Genetics (formerly Invitae)
  • glycogen storage disease due to liver phosphorylase kinase deficiency
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.83).
BP6
Variant 16-30751096-G-T is Benign according to our data. Variant chr16-30751096-G-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 255786.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00306 (466/152312) while in subpopulation AFR AF = 0.0106 (439/41564). AF 95% confidence interval is 0.00975. There are 2 homozygotes in GnomAd4. There are 231 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 2 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000563588.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PHKG2
NM_000294.3
MANE Select
c.96-10G>T
intron
N/ANP_000285.1
PHKG2
NM_001172432.2
c.96-10G>T
intron
N/ANP_001165903.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PHKG2
ENST00000563588.6
TSL:1 MANE Select
c.96-10G>T
intron
N/AENSP00000455607.1
PHKG2
ENST00000569762.1
TSL:1
n.73-10G>T
intron
N/A
PHKG2
ENST00000328273.11
TSL:5
c.96-10G>T
intron
N/AENSP00000329968.7

Frequencies

GnomAD3 genomes
AF:
0.00303
AC:
461
AN:
152194
Hom.:
2
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0104
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00144
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:
0.0000147
Gnomad OTH
AF:
0.00143
GnomAD2 exomes
AF:
0.000618
AC:
155
AN:
250720
AF XY:
0.000420
show subpopulations
Gnomad AFR exome
AF:
0.00880
Gnomad AMR exome
AF:
0.000260
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000489
GnomAD4 exome
AF:
0.000304
AC:
444
AN:
1460688
Hom.:
1
Cov.:
32
AF XY:
0.000268
AC XY:
195
AN XY:
726722
show subpopulations
African (AFR)
AF:
0.0110
AC:
368
AN:
33478
American (AMR)
AF:
0.000246
AC:
11
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:
0.0000580
AC:
5
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52278
Middle Eastern (MID)
AF:
0.000347
AC:
2
AN:
5768
European-Non Finnish (NFE)
AF:
8.99e-7
AC:
1
AN:
1111968
Other (OTH)
AF:
0.000944
AC:
57
AN:
60380
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.476
Heterozygous variant carriers
0
26
52
78
104
130
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
20
40
60
80
100
<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:
0.00306
AC:
466
AN:
152312
Hom.:
2
Cov.:
33
AF XY:
0.00310
AC XY:
231
AN XY:
74474
show subpopulations
African (AFR)
AF:
0.0106
AC:
439
AN:
41564
American (AMR)
AF:
0.00144
AC:
22
AN:
15296
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5188
South Asian (SAS)
AF:
0.000207
AC:
1
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68024
Other (OTH)
AF:
0.00142
AC:
3
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.507
Heterozygous variant carriers
0
25
49
74
98
123
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome 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
Alfa
AF:
0.00260
Hom.:
0
Bravo
AF:
0.00320
Asia WGS
AF:
0.000866
AC:
3
AN:
3478

ClinVar

ClinVar submissions as Germline

Significance:Benign/Likely benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
3
Glycogen storage disease IXc (3)
-
-
2
not specified (2)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.83
CADD
Benign
1.4
DANN
Benign
0.67
PhyloP100
-0.19
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000026
dbscSNV1_RF
Benign
0.0
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: rs74015042; hg19: chr16-30762417; API