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rs1076991

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1

The ENST00000555252.5(MTHFD1):n.13T>C variant causes a non coding transcript exon change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.456 in 1,610,458 control chromosomes in the GnomAD database, including 175,153 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.54 ( 24417 hom., cov: 33)
Exomes 𝑓: 0.45 ( 150736 hom. )

Consequence

MTHFD1
ENST00000555252.5 non_coding_transcript_exon

Scores

1
12

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.92
Variant links:
Genes affected
MTHFD1 (HGNC:7432): (methylenetetrahydrofolate dehydrogenase, cyclohydrolase and formyltetrahydrofolate synthetase 1) This gene encodes a protein that possesses three distinct enzymatic activities, 5,10-methylenetetrahydrofolate dehydrogenase, 5,10-methenyltetrahydrofolate cyclohydrolase and 10-formyltetrahydrofolate synthetase. Each of these activities catalyzes one of three sequential reactions in the interconversion of 1-carbon derivatives of tetrahydrofolate, which are substrates for methionine, thymidylate, and de novo purine syntheses. The trifunctional enzymatic activities are conferred by two major domains, an aminoterminal portion containing the dehydrogenase and cyclohydrolase activities and a larger synthetase domain. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=1.0874219E-6).
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.806 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MTHFD1NM_005956.4 linkuse as main transcript upstream_gene_variant ENST00000652337.1
MTHFD1NM_001364837.1 linkuse as main transcript upstream_gene_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MTHFD1ENST00000652337.1 linkuse as main transcript upstream_gene_variant NM_005956.4 P1

Frequencies

GnomAD3 genomes
AF:
0.537
AC:
81667
AN:
152006
Hom.:
24378
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.814
Gnomad AMI
AF:
0.547
Gnomad AMR
AF:
0.468
Gnomad ASJ
AF:
0.563
Gnomad EAS
AF:
0.241
Gnomad SAS
AF:
0.418
Gnomad FIN
AF:
0.336
Gnomad MID
AF:
0.509
Gnomad NFE
AF:
0.446
Gnomad OTH
AF:
0.529
GnomAD3 exomes
AF:
0.453
AC:
112290
AN:
248014
Hom.:
27091
AF XY:
0.446
AC XY:
59909
AN XY:
134180
show subpopulations
Gnomad AFR exome
AF:
0.818
Gnomad AMR exome
AF:
0.458
Gnomad ASJ exome
AF:
0.557
Gnomad EAS exome
AF:
0.257
Gnomad SAS exome
AF:
0.436
Gnomad FIN exome
AF:
0.337
Gnomad NFE exome
AF:
0.449
Gnomad OTH exome
AF:
0.440
GnomAD4 exome
AF:
0.448
AC:
653027
AN:
1458334
Hom.:
150736
Cov.:
46
AF XY:
0.446
AC XY:
323420
AN XY:
724888
show subpopulations
Gnomad4 AFR exome
AF:
0.832
Gnomad4 AMR exome
AF:
0.457
Gnomad4 ASJ exome
AF:
0.558
Gnomad4 EAS exome
AF:
0.234
Gnomad4 SAS exome
AF:
0.433
Gnomad4 FIN exome
AF:
0.345
Gnomad4 NFE exome
AF:
0.446
Gnomad4 OTH exome
AF:
0.460
GnomAD4 genome
AF:
0.537
AC:
81763
AN:
152124
Hom.:
24417
Cov.:
33
AF XY:
0.527
AC XY:
39156
AN XY:
74364
show subpopulations
Gnomad4 AFR
AF:
0.814
Gnomad4 AMR
AF:
0.468
Gnomad4 ASJ
AF:
0.563
Gnomad4 EAS
AF:
0.242
Gnomad4 SAS
AF:
0.417
Gnomad4 FIN
AF:
0.336
Gnomad4 NFE
AF:
0.446
Gnomad4 OTH
AF:
0.523
Alfa
AF:
0.414
Hom.:
2523
Bravo
AF:
0.560
TwinsUK
AF:
0.448
AC:
1663
ALSPAC
AF:
0.434
AC:
1674
ExAC
AF:
0.459
AC:
55710

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Benign
-0.81
T
BayesDel_noAF
Benign
-0.79
Cadd
Benign
0.25
Dann
Benign
0.41
Eigen
Benign
-1.7
Eigen_PC
Benign
-1.9
FATHMM_MKL
Benign
0.027
N
MetaRNN
Benign
0.0000011
T;T
MetaSVM
Benign
-1.0
T
MutationTaster
Benign
1.0
P;P;P;P
PROVEAN
Benign
-0.040
N;.
REVEL
Benign
0.0050
Sift
Benign
0.031
D;.
Sift4G
Uncertain
0.029
D;D
Polyphen
0.0
B;.
Vest4
0.098
MutPred
0.27
Gain of disorder (P = 0.0017);Gain of disorder (P = 0.0017);
ClinPred
0.030
T
GERP RS
-9.3

Splicing

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: rs1076991; hg19: chr14-64855041; COSMIC: COSV53697561; COSMIC: COSV53697561; API