Genetic Variant MTMR4:p.Arg1058His (chr17-58495011-C-T) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_001378067.1(MTMR4):c.3173G>A(p.Arg1058His) variant causes a missense change. The variant allele was found at a frequency of 0.0000273 in 1,614,230 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1058C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

MTMR4
NM_001378067.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.63

Variant links:

Genes affected

MTMR4 (HGNC:7452): (myotubularin related protein 4) Enables protein phosphatase binding activity. Involved in regulation of phosphatidylinositol dephosphorylation. Located in endosome. [provided by Alliance of Genome Resources, Apr 2022]

MTMR4 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.16980946).

BS2

High AC in GnomAd4 at 16 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MTMR4	NM_001378067.1 link	c.3173G>A	p.Arg1058His	missense_variant	Exon 15 of 18	ENST00000682306.1	NP_001364996.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
MTMR4	ENST00000682306.1 link	c.3173G>A	p.Arg1058His	missense_variant	Exon 15 of 18		NM_001378067.1	ENSP00000507664.1	A0A804HJV7
MTMR4	ENST00000323456.9 link	c.3131G>A	p.Arg1044His	missense_variant	Exon 16 of 19	1		ENSP00000325285.5	Q9NYA4
MTMR4	ENST00000579925.5 link	c.2960G>A	p.Arg987His	missense_variant	Exon 15 of 18	5		ENSP00000464067.1	J3QR65

Frequencies

GnomAD3 genomes

AF:

0.000105

AC:

AN:

152218

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000289

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00633

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000557

AC:

AN:

251468

Hom.:

AF XY:

0.0000441

AC XY:

AN XY:

135916

show subpopulations

Gnomad AFR exome

AF:

0.000492

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000131

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000176

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000192

AC:

AN:

1461894

Hom.:

Cov.:

AF XY:

0.0000206

AC XY:

AN XY:

727248

show subpopulations

Gnomad4 AFR exome

AF:

0.000269

Gnomad4 AMR exome

AF:

0.0000671

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.0000580

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000540

Gnomad4 OTH exome

AF:

0.0000662

GnomAD4 genome

AF:

0.000105

AC:

AN:

152336

Hom.:

Cov.:

AF XY:

0.0000805

AC XY:

AN XY:

74492

show subpopulations

Gnomad4 AFR

AF:

0.000289

Gnomad4 AMR

AF:

0.0000654

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000986

Hom.:

Bravo

AF:

0.000110

ExAC

AF:

0.0000494

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 03, 2025

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.3131G>A (p.R1044H) alteration is located in exon 16 (coding exon 15) of the MTMR4 gene. This alteration results from a G to A substitution at nucleotide position 3131, causing the arginine (R) at amino acid position 1044 to be replaced by a histidine (H). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Benign

-0.18

BayesDel_noAF

Benign

-0.15

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.23

T;T

Eigen

Uncertain

0.49

Eigen_PC

Uncertain

0.49

FATHMM_MKL

Uncertain

0.94

LIST_S2

Uncertain

0.94

D;D

M_CAP

Benign

0.078

MetaRNN

Benign

0.17

T;T

MetaSVM

Uncertain

0.78

MutationAssessor

Benign

1.5

.;L

PrimateAI

Uncertain

0.63

PROVEAN

Benign

-1.4

.;N

REVEL

Uncertain

0.38

Sift

Benign

0.47

.;T

Sift4G

Benign

0.56

T;T

Polyphen

1.0

.;D

Vest4

0.32

MVP

0.55

MPC

0.38

ClinPred

0.074

GERP RS

4.6

Varity_R

0.054

gMVP

0.23

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over