rs190189891

Variant names:

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 2P and 9B. PM2BP4_StrongBP6BS1

The NM_139242.4(MTFMT):c.1094G>A(p.Cys365Tyr) variant causes a missense change. The variant allele was found at a frequency of 0.000136 in 1,613,522 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00017 ( 0 hom., cov: 31)

Exomes 𝑓: 0.00013 ( 1 hom. )

Consequence

MTFMT
NM_139242.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1

Conservation

PhyloP100: 5.03

Variant links:

Genes affected

MTFMT (HGNC:29666): (mitochondrial methionyl-tRNA formyltransferase) The protein encoded by this nuclear gene localizes to the mitochondrion, where it catalyzes the formylation of methionyl-tRNA. [provided by RefSeq, Jun 2011]

MTFMT links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.012581348).

BP6

Variant 15-65003138-C-T is Benign according to our data. Variant chr15-65003138-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 813585.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1}.

BS1

Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000171 (26/152156) while in subpopulation EAS AF= 0.00483 (25/5180). AF 95% confidence interval is 0.00336. There are 0 homozygotes in gnomad4. There are 14 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MTFMT	NM_139242.4 link	c.1094G>A	p.Cys365Tyr	missense_variant	Exon 9 of 9	ENST00000220058.9	NP_640335.2	Q96DP5-1
MTFMT	XM_005254158.6 link	c.1247G>A	p.Cys416Tyr	missense_variant	Exon 9 of 9		XP_005254215.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
MTFMT	ENST00000220058.9 link	c.1094G>A	p.Cys365Tyr	missense_variant	Exon 9 of 9	1	NM_139242.4	ENSP00000220058.4	Q96DP5-1
MTFMT	ENST00000558460.5 link	n.1094G>A		non_coding_transcript_exon_variant	Exon 9 of 10	5		ENSP00000452646.1	Q96DP5-1
MTFMT	ENST00000560717.5 link	n.*564G>A		non_coding_transcript_exon_variant	Exon 8 of 8	5		ENSP00000457257.1	H3BTN9
MTFMT	ENST00000560717.5 link	n.*564G>A		3_prime_UTR_variant	Exon 8 of 8	5		ENSP00000457257.1	H3BTN9

Frequencies

GnomAD3 genomes

AF:

0.000178

AC:

AN:

152038

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00501

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000478

AC:

119

AN:

248922

Hom.:

AF XY:

0.000363

AC XY:

AN XY:

135072

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00651

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000331

GnomAD4 exome

AF:

0.000133

AC:

194

AN:

1461366

Hom.:

Cov.:

AF XY:

0.000124

AC XY:

AN XY:

726956

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00456

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

9.00e-7

Gnomad4 OTH exome

AF:

0.000199

GnomAD4 genome

AF:

0.000171

AC:

AN:

152156

Hom.:

Cov.:

AF XY:

0.000188

AC XY:

AN XY:

74368

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.0000655

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00483

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000208

Hom.:

Bravo

AF:

0.000196

ExAC

AF:

0.000571

AC:

Asia WGS

AF:

0.00202

AC:

AN:

3478

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:1Benign:1

Mar 30, 2025

GeneDx

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

Identified in an individual with multiple congenital anomalies who was also heterozygous for another variant in MTFMT; the phase of this variants was not reported (PMID: 31501239); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 31893529, 31501239) -

Oct 29, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Microcephaly

Uncertain:1

Department of Pediatrics, Samsung Medical Center, Samsung Medical Center

Significance: Uncertain significance

Review Status: no assertion criteria provided

Collection Method: research

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Benign

-0.30

BayesDel_noAF

Benign

-0.20

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.40

Eigen

Uncertain

0.53

Eigen_PC

Uncertain

0.53

FATHMM_MKL

Uncertain

0.90

M_CAP

Benign

0.042

MetaRNN

Benign

0.013

MetaSVM

Benign

-0.51

MutationAssessor

Uncertain

2.3

PrimateAI

Uncertain

0.62

PROVEAN

Pathogenic

-4.4

REVEL

Benign

0.23

Sift

Uncertain

0.0040

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.67

MVP

0.90

MPC

0.66

ClinPred

0.13

GERP RS

4.5

Varity_R

0.43

gMVP

0.47

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