Genetic Variant NM_022114.4:c.340G>C (chr1-3186427-G-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_022114.4(PRDM16):c.340G>C(p.Val114Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000702 in 1,424,710 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V114M) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 7.0e-7 ( 0 hom. )

Consequence

PRDM16
NM_022114.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.572

Publications

2 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:

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ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.13578987).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PRDM16	NM_022114.4 link	c.340G>C	p.Val114Leu	missense_variant	Exon 2 of 17	ENST00000270722.10	NP_071397.3	Q9HAZ2-1
PRDM16	NM_199454.3 link	c.340G>C	p.Val114Leu	missense_variant	Exon 2 of 17		NP_955533.2	Q9HAZ2-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PRDM16	ENST00000270722.10 link	c.340G>C	p.Val114Leu	missense_variant	Exon 2 of 17	1	NM_022114.4	ENSP00000270722.5		Q9HAZ2-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000469

AC:

AN:

213108

AF XY:

0.00000859

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

7.02e-7

AC:

AN:

1424710

Hom.:

Cov.:

AF XY:

0.00000142

AC XY:

AN XY:

705036

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32084

American (AMR)

AF:

0.00

AC:

AN:

39080

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

23928

East Asian (EAS)

AF:

0.00

AC:

AN:

39280

South Asian (SAS)

AF:

0.0000124

AC:

AN:

80834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51292

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5578

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1093838

Other (OTH)

AF:

0.00

AC:

AN:

58796

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.086

BayesDel_addAF

Benign

-0.32

BayesDel_noAF

Benign

-0.58

CADD

Benign

0.0020

(source)

DANN

Benign

0.80

DEOGEN2

Benign

0.015

T;.;.;T

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.13

LIST_S2

Benign

0.46

T;T;T;T

M_CAP

Benign

0.028

MetaRNN

Benign

0.14

T;T;T;T

MetaSVM

Benign

-0.99

MutationAssessor

Benign

0.46

.;N;.;N

PhyloP100

-0.57

PrimateAI

Benign

0.29

PROVEAN

Benign

-0.42

N;N;N;N

REVEL

Benign

0.055

Sift

Benign

0.19

T;T;T;T

Sift4G

Benign

0.53

T;T;T;T

Polyphen

0.0010

.;B;.;B

Vest4

0.22

MutPred

0.37

Loss of loop (P = 0.0374);Loss of loop (P = 0.0374);Loss of loop (P = 0.0374);Loss of loop (P = 0.0374);

MVP

0.50

MPC

0.34

ClinPred

0.10

GERP RS

-5.2

Varity_R

0.045

gMVP

0.32

Mutation Taster

=91/9

polymorphism

(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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over