Genetic Variant NM_032578.4:c.1399G>C (chr10-68158567-G-C) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_032578.4(MYPN):c.1399G>C(p.Glu467Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,458,438 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 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. E467K) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

MYPN
NM_032578.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.69

Publications

10 publications found

Variant links:

Genes affected

MYPN (HGNC:23246): (myopalladin) Striated muscle in vertebrates comprises large proteins which must be organized properly to contract efficiently. Z-lines in striated muscle are a sign of this organization, representing the ends of actin thin filaments, titin, nebulin or nebulette and accessory proteins required for structure and function. This gene encodes a protein which interacts with nebulin in skeletal muscle or nebulette in cardiac muscle and alpha-actinin. In addition, this gene product can interact with a protein with the I-band indicating it has a regulatory as well as structural function. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2011]

MYPN links:

RN7SKP202 (HGNC:45926): (RN7SK pseudogene 202)

RN7SKP202 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.26513043).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032578.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
MYPN	NM_032578.4	MANE Select	c.1399G>C	p.Glu467Gln	missense	Exon 7 of 20	NP_115967.2
MYPN	NM_001256267.2		c.1399G>C	p.Glu467Gln	missense	Exon 8 of 21	NP_001243196.1
MYPN	NM_001256268.2		c.517G>C	p.Glu173Gln	missense	Exon 11 of 24	NP_001243197.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
MYPN	ENST00000358913.10	TSL:1 MANE Select	c.1399G>C	p.Glu467Gln	missense	Exon 7 of 20	ENSP00000351790.5
MYPN	ENST00000540630.6	TSL:1	c.1453G>C	p.Glu485Gln	missense	Exon 7 of 20	ENSP00000441668.3
MYPN	ENST00000613327.5	TSL:1	c.1399G>C	p.Glu467Gln	missense	Exon 8 of 21	ENSP00000480757.2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251286

AF XY:

0.00000736

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:

6.86e-7

AC:

AN:

1458438

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

725734

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33418

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26122

East Asian (EAS)

AF:

0.00

AC:

AN:

39668

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86204

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5754

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1108862

Other (OTH)

AF:

0.00

AC:

AN:

60274

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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.22

BayesDel_addAF

Benign

-0.096

BayesDel_noAF

Benign

-0.28

CADD

Benign

(source)

DANN

Benign

0.82

DEOGEN2

Benign

0.017

Eigen

Benign

-0.10

Eigen_PC

Benign

0.13

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Benign

0.63

M_CAP

Benign

0.010

MetaRNN

Benign

0.27

MetaSVM

Benign

-0.97

MutationAssessor

Benign

-0.38

PhyloP100

7.7

PrimateAI

Uncertain

0.67

PROVEAN

Benign

-0.020

REVEL

Benign

0.11

Sift

Benign

0.56

Sift4G

Benign

0.54

Polyphen

0.013

Vest4

0.35

MutPred

0.41

Gain of methylation at K465 (P = 0.1037)

MVP

0.64

MPC

0.14

ClinPred

0.23

GERP RS

4.8

Varity_R

0.15

gMVP

0.40

Mutation Taster

=86/14

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over