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GeneBe

4-74174687-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001144978.3(MTHFD2L):c.325G>A(p.Val109Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000833 in 1,492,194 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00041 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00088 ( 1 hom. )

Consequence

MTHFD2L
NM_001144978.3 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.85
Variant links:
Genes affected
MTHFD2L (HGNC:31865): (methylenetetrahydrofolate dehydrogenase (NADP+ dependent) 2 like) Predicted to enable methenyltetrahydrofolate cyclohydrolase activity; methylenetetrahydrofolate dehydrogenase (NAD+) activity; and methylenetetrahydrofolate dehydrogenase (NADP+) activity. Predicted to be involved in tetrahydrofolate interconversion. Predicted to be located in mitochondrial matrix. Predicted to be active in mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.049565822).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MTHFD2LNM_001144978.3 linkuse as main transcriptc.325G>A p.Val109Ile missense_variant 2/8 ENST00000325278.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MTHFD2LENST00000325278.7 linkuse as main transcriptc.325G>A p.Val109Ile missense_variant 2/85 NM_001144978.3 P1Q9H903-4

Frequencies

GnomAD3 genomes
AF:
0.000414
AC:
63
AN:
152106
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000966
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000823
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000627
AC:
112
AN:
178656
Hom.:
0
AF XY:
0.000611
AC XY:
60
AN XY:
98156
show subpopulations
Gnomad AFR exome
AF:
0.0000826
Gnomad AMR exome
AF:
0.000235
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000526
Gnomad FIN exome
AF:
0.000103
Gnomad NFE exome
AF:
0.00116
Gnomad OTH exome
AF:
0.000273
GnomAD4 exome
AF:
0.000881
AC:
1180
AN:
1339970
Hom.:
1
Cov.:
29
AF XY:
0.000849
AC XY:
560
AN XY:
659698
show subpopulations
Gnomad4 AFR exome
AF:
0.0000716
Gnomad4 AMR exome
AF:
0.000292
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000452
Gnomad4 FIN exome
AF:
0.0000398
Gnomad4 NFE exome
AF:
0.00106
Gnomad4 OTH exome
AF:
0.000914
GnomAD4 genome
AF:
0.000414
AC:
63
AN:
152224
Hom.:
0
Cov.:
32
AF XY:
0.000323
AC XY:
24
AN XY:
74410
show subpopulations
Gnomad4 AFR
AF:
0.0000963
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000823
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000931
Hom.:
1
Bravo
AF:
0.000536
TwinsUK
AF:
0.000809
AC:
3
ALSPAC
AF:
0.00104
AC:
4
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.00116
AC:
10
ExAC
AF:
0.000552
AC:
67
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsOct 18, 2021The c.325G>A (p.V109I) alteration is located in exon 2 (coding exon 2) of the MTHFD2L gene. This alteration results from a G to A substitution at nucleotide position 325, causing the valine (V) at amino acid position 109 to be replaced by an isoleucine (I). 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
0.099
BayesDel_addAF
Benign
-0.46
T
BayesDel_noAF
Benign
-0.49
Cadd
Benign
18
Dann
Uncertain
1.0
DEOGEN2
Benign
0.18
T;T;.
Eigen
Benign
-0.00043
Eigen_PC
Benign
0.12
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Uncertain
0.96
D;D;D
M_CAP
Benign
0.0094
T
MetaRNN
Benign
0.050
T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.3
L;.;.
MutationTaster
Benign
0.98
D;D;D;D
PrimateAI
Benign
0.33
T
PROVEAN
Benign
-0.52
N;N;N
REVEL
Benign
0.024
Sift
Benign
0.16
T;T;T
Sift4G
Benign
0.25
T;T;T
Polyphen
0.39
B;.;.
Vest4
0.24
MVP
0.39
MPC
0.078
ClinPred
0.033
T
GERP RS
4.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.13
gMVP
0.40

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.

Other links and lift over

dbSNP: rs61744957; hg19: chr4-75040404; COSMIC: COSV105209544; API