dbSNP rs368383914: PRDM16:p.Ala1166Ala (chr1-3431085-C-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_022114.4(PRDM16):c.3498C>G(p.Ala1166Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000715 in 1,399,364 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. Synonymous variant affecting the same amino acid position (i.e. A1166A) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 7.1e-7 ( 0 hom. )

Consequence

PRDM16
NM_022114.4 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.0710

Publications

0 publications found

Variant links:

Genes affected

PRDM16 (HGNC:14000): (PR/SET domain 16) The reciprocal translocation t(1;3)(p36;q21) occurs in a subset of myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML). This gene is located near the 1p36.3 breakpoint and has been shown to be specifically expressed in the t(1:3)(p36,q21)-positive MDS/AML. The protein encoded by this gene is a zinc finger transcription factor and contains an N-terminal PR domain. The translocation results in the overexpression of a truncated version of this protein that lacks the PR domain, which may play an important role in the pathogenesis of MDS and AML. Alternatively spliced transcript variants encoding distinct isoforms have been reported. [provided by RefSeq, Jul 2008]

PRDM16 Gene-Disease associations (from GenCC):

left ventricular noncompaction 8
Inheritance: AD Classification: MODERATE, LIMITED Submitted by: Ambry Genetics, Illumina, Labcorp Genetics (formerly Invitae)
familial isolated dilated cardiomyopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
left ventricular noncompaction
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
dilated cardiomyopathy
Inheritance: AD Classification: LIMITED Submitted by: ClinGen

PRDM16 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PRDM16	NM_022114.4 link	c.3498C>G	p.Ala1166Ala	synonymous_variant	Exon 15 of 17	ENST00000270722.10	NP_071397.3
PRDM16	NM_199454.3 link	c.3498C>G	p.Ala1166Ala	synonymous_variant	Exon 15 of 17		NP_955533.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PRDM16	ENST00000270722.10 link	c.3498C>G	p.Ala1166Ala	synonymous_variant	Exon 15 of 17	1	NM_022114.4	ENSP00000270722.5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

7.15e-7

AC:

AN:

1399364

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

690492

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31728

American (AMR)

AF:

0.00

AC:

AN:

35816

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25176

East Asian (EAS)

AF:

0.00

AC:

AN:

36014

South Asian (SAS)

AF:

0.00

AC:

AN:

79356

European-Finnish (FIN)

AF:

0.00

AC:

AN:

48980

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4368

European-Non Finnish (NFE)

AF:

9.26e-7

AC:

AN:

1079980

Other (OTH)

AF:

0.00

AC:

AN:

57946

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

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.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.61

CADD

Benign

(source)

DANN

Benign

0.46

PhyloP100

0.071

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.37

Details are displayed if max score is > 0.2

DS_DG_spliceai

0.37

Position offset: 0

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over