rs1060499719

Variant names:

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_002637.4(PHKA1):c.1272T>A(p.Asp424Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000183 in 1,095,600 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples in GnomAD. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: not found (cov: 23)

Exomes 𝑓: 0.0000018 ( 0 hom. 0 hem. )

Consequence

PHKA1
NM_002637.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 1.21

Variant links:

Genes affected

PHKA1 (HGNC:8925): (phosphorylase kinase regulatory subunit alpha 1) 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, and the skeletal muscle isoform is encoded by this gene. 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, which are encoded by two different genes. 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 9D, also known as X-linked muscle glycogenosis. Alternatively spliced transcript variants encoding different isoforms have been identified in this gene. A pseudogene has been found on chromosome 1.[provided by RefSeq, Feb 2010]

PHKA1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.933

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PHKA1	NM_002637.4 link	c.1272T>A	p.Asp424Glu	missense_variant	Exon 13 of 32	ENST00000373542.9	NP_002628.2	P46020-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PHKA1	ENST00000373542.9 link	c.1272T>A	p.Asp424Glu	missense_variant	Exon 13 of 32	1	NM_002637.4	ENSP00000362643.4		P46020-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000549

AC:

AN:

182280

Hom.:

AF XY:

0.00

AC XY:

AN XY:

66754

show subpopulations

Gnomad AFR exome

AF:

0.0000767

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:

0.00000183

AC:

AN:

1095600

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

361004

show subpopulations

Gnomad4 AFR exome

AF:

0.0000759

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:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000712

Hom.:

Bravo

AF:

0.0000416

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Jun 25, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.1272T>A (p.D424E) alteration is located in exon 13 (coding exon 13) of the PHKA1 gene. This alteration results from a T to A substitution at nucleotide position 1272, causing the aspartic acid (D) at amino acid position 424 to be replaced by a glutamic acid (E). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Peripheral neuropathy

Uncertain:1

Aug 22, 2016

Claritas Genomics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.97

BayesDel_addAF

Pathogenic

0.43

BayesDel_noAF

Pathogenic

0.57

CADD

Benign

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.95

D;D;.;.;D

FATHMM_MKL

Uncertain

0.97

LIST_S2

Pathogenic

1.0

D;D;D;D;D

M_CAP

Pathogenic

0.40

MetaRNN

Pathogenic

0.93

D;D;D;D;D

MetaSVM

Uncertain

0.77

MutationAssessor

Pathogenic

3.9

H;.;H;H;.

PrimateAI

Uncertain

0.74

PROVEAN

Uncertain

-3.9

D;D;D;D;D

REVEL

Pathogenic

0.90

Sift

Pathogenic

0.0

D;D;D;D;D

Sift4G

Uncertain

0.0030

D;D;D;D;D

Polyphen

1.0

D;.;D;.;.

Vest4

0.96

MutPred

0.82

Gain of disorder (P = 0.1375);Gain of disorder (P = 0.1375);Gain of disorder (P = 0.1375);Gain of disorder (P = 0.1375);Gain of disorder (P = 0.1375);

MVP

0.99

MPC

0.98

ClinPred

1.0

GERP RS

3.1

Varity_R

0.87

gMVP

0.96

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over