Genetic Variant NM_002733.5:c.846T>C (chr12-49003186-A-G) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_002733.5(PRKAG1):c.846T>C(p.His282His) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,890 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

PRKAG1
NM_002733.5 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.45

Publications

1 publications found

Variant links:

Genes affected

PRKAG1 (HGNC:9385): (protein kinase AMP-activated non-catalytic subunit gamma 1) The protein encoded by this gene is a regulatory subunit of the AMP-activated protein kinase (AMPK). AMPK is a heterotrimer consisting of an alpha catalytic subunit, and non-catalytic beta and gamma subunits. AMPK is an important energy-sensing enzyme that monitors cellular energy status. In response to cellular metabolic stresses, AMPK is activated, and thus phosphorylates and inactivates acetyl-CoA carboxylase (ACC) and beta-hydroxy beta-methylglutaryl-CoA reductase (HMGCR), key enzymes involved in regulating de novo biosynthesis of fatty acid and cholesterol. This subunit is one of the gamma regulatory subunits of AMPK. Alternatively spliced transcript variants encoding distinct isoforms have been observed. [provided by RefSeq, Jul 2008]

PRKAG1 links:

ENSG00000288710 (HGNC:):

ENSG00000288710 links:

DDN-AS1 (HGNC:53464): (DDN and PRKAG1 antisense RNA 1)

DDN-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.5).

BP7

Synonymous conserved (PhyloP=-1.45 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002733.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PRKAG1	NM_002733.5	MANE Select	c.846T>C	p.His282His	synonymous	Exon 11 of 12	NP_002724.1	P54619-1
PRKAG1	NM_001206709.2		c.873T>C	p.His291His	synonymous	Exon 11 of 12	NP_001193638.1	P54619-3
PRKAG1	NM_001206710.2		c.750T>C	p.His250His	synonymous	Exon 11 of 12	NP_001193639.1	P54619-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PRKAG1	ENST00000548065.7	TSL:1 MANE Select	c.846T>C	p.His282His	synonymous	Exon 11 of 12	ENSP00000447433.1	P54619-1
PRKAG1	ENST00000548362.5	TSL:3	c.141T>C	p.His47His	synonymous	Exon 2 of 4	ENSP00000446987.1	H0YHF8
ENSG00000288710	ENST00000683988.1		n.*913T>C		non_coding_transcript_exon	Exon 15 of 16	ENSP00000506939.1	A0A804HI77

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000159

AC:

AN:

251482

AF XY:

0.0000147

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:

0.00

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461890

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

727246

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000360

AC:

AN:

1112012

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.50

CADD

Benign

2.6

(source)

DANN

Benign

0.81

PhyloP100

-1.4

PromoterAI

0.023

Neutral

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over