Genetic Variant PLEKHM2:p.Met611Ile (chr1-15728269-G-A) – 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_015164.4(PLEKHM2):c.1833G>A(p.Met611Ile) variant causes a missense, splice region change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. 1/1 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 32)

Consequence

PLEKHM2
NM_015164.4 missense, splice_region

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 9.51

Publications

0 publications found

Variant links:

Genes affected

PLEKHM2 (HGNC:29131): (pleckstrin homology and RUN domain containing M2) This gene encodes a protein that binds the plus-end directed microtubule motor protein kinesin, together with the lysosomal GTPase Arl8, and is required for lysosomes to distribute away from the microtubule-organizing center. The encoded protein belongs to the multisubunit BLOC-one-related complex that regulates lysosome positioning. It binds a Salmonella effector protein called Salmonella induced filament A and is a critical host determinant in Salmonella pathogenesis. It has a domain architecture consisting of an N-terminal RPIP8, UNC-14, and NESCA (RUN) domain that binds kinesin-1 as well as the lysosomal GTPase Arl8, and a C-terminal pleckstrin homology domain that binds the Salmonella induced filament A effector protein. Naturally occurring mutations in this gene lead to abnormal localization of lysosomes, impaired autophagy flux and are associated with recessive dilated cardiomyopathy and left ventricular noncompaction. [provided by RefSeq, Feb 2017]

PLEKHM2 Gene-Disease associations (from GenCC):

dilated cardiomyopathy
Inheritance: AR Classification: LIMITED Submitted by: ClinGen, Ambry Genetics

PLEKHM2 links:

ENSG00000237938 (HGNC:58402):

ENSG00000237938 links:

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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;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_015164.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PLEKHM2	NM_015164.4	MANE Select	c.1833G>A	p.Met611Ile	missense splice_region	Exon 11 of 20	NP_055979.2
	PLEKHM2	NM_001410755.1		c.1773G>A	p.Met591Ile	missense splice_region	Exon 10 of 19	NP_001397684.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
PLEKHM2	ENST00000375799.8	TSL:1 MANE Select	c.1833G>A	p.Met611Ile	missense splice_region	Exon 11 of 20	ENSP00000364956.3
PLEKHM2	ENST00000850891.1		c.1872G>A	p.Met624Ile	missense splice_region	Exon 11 of 20	ENSP00000520968.1
PLEKHM2	ENST00000375793.3	TSL:5	c.1773G>A	p.Met591Ile	missense splice_region	Exon 10 of 19	ENSP00000364950.2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000403

AC:

AN:

247870

AF XY:

0.00000742

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:

0.00000893

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.96

BayesDel_addAF

Pathogenic

0.23

BayesDel_noAF

Uncertain

0.090

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.14

Eigen

Uncertain

0.64

Eigen_PC

Pathogenic

0.70

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.96

M_CAP

Benign

0.014

MetaRNN

Uncertain

0.54

MetaSVM

Benign

-0.95

MutationAssessor

Benign

1.7

PhyloP100

9.5

PrimateAI

Uncertain

0.76

PROVEAN

Benign

-1.4

REVEL

Benign

0.24

Sift

Benign

0.099

Sift4G

Uncertain

0.030

Polyphen

0.98

Vest4

0.87

MutPred

0.39

Loss of loop (P = 9e-04)

MVP

0.63

MPC

0.68

ClinPred

0.77

GERP RS

5.6

Varity_R

0.29

gMVP

0.65

Mutation Taster

=74/26

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