Genetic Variant MAT2A:p.Asn2Asn (chr2-85539293-C-T) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 2P and 8B. PM2BP4BP6_ModerateBP7BS2

The NM_005911.6(MAT2A):c.6C>T(p.Asn2Asn) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000345 in 1,451,298 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 Likely benign (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

MAT2A
NM_005911.6 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.91

Publications

0 publications found

Variant links:

Genes affected

MAT2A (HGNC:6904): (methionine adenosyltransferase 2A) The protein encoded by this gene catalyzes the production of S-adenosylmethionine (AdoMet) from methionine and ATP. AdoMet is the key methyl donor in cellular processes. [provided by RefSeq, Jun 2011]

MAT2A links:

PARTICL (HGNC:50886): (promoter of MAT2A antisense radiation-induced circulating long non-coding RNA)

PARTICL links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.16).

BP6

Variant 2-85539293-C-T is Benign according to our data. Variant chr2-85539293-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 477586.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=1.91 with no splicing effect.

BS2

High AC in GnomAdExome4 at 5 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MAT2A	NM_005911.6 link	c.6C>T	p.Asn2Asn	synonymous_variant	Exon 1 of 9	ENST00000306434.8	NP_005902.1	P31153-1A0A140VJP5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
MAT2A	ENST00000306434.8 link	c.6C>T	p.Asn2Asn	synonymous_variant	Exon 1 of 9	1	NM_005911.6	ENSP00000303147.3	P31153-1
MAT2A	ENST00000465151.5 link	n.126C>T		non_coding_transcript_exon_variant	Exon 1 of 2	2
MAT2A	ENST00000469221.5 link	n.126C>T		non_coding_transcript_exon_variant	Exon 1 of 3	2
PARTICL	ENST00000667933.3 link	n.-183G>A		upstream_gene_variant

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000419

AC:

AN:

238720

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000305

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000345

AC:

AN:

1451298

Hom.:

Cov.:

AF XY:

0.00000415

AC XY:

AN XY:

722138

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32166

American (AMR)

AF:

0.0000229

AC:

AN:

43624

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25768

East Asian (EAS)

AF:

0.00

AC:

AN:

38306

South Asian (SAS)

AF:

0.00

AC:

AN:

85012

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53250

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5736

European-Non Finnish (NFE)

AF:

0.00000271

AC:

AN:

1107562

Other (OTH)

AF:

0.0000167

AC:

AN:

59874

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Familial thoracic aortic aneurysm and aortic dissection

Benign:1

Mar 14, 2017

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.16

CADD

Benign

(source)

DANN

Uncertain

0.97

PhyloP100

1.9

PromoterAI

-0.073

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=92/8

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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2-85539293-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over