Genetic Variant NM_032797.6:c.973G>A (chr10-70114327-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_032797.6(AIFM2):c.973G>A(p.Ala325Thr) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,698 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. 1/1 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

AIFM2
NM_032797.6 missense, splice_region

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.649

Publications

0 publications found

Variant links:

Genes affected

AIFM2 (HGNC:21411): (apoptosis inducing factor mitochondria associated 2) This gene encodes a flavoprotein oxidoreductase that binds single stranded DNA and is thought to contribute to apoptosis in the presence of bacterial and viral DNA. The expression of this gene is also found to be induced by tumor suppressor protein p53 in colon cancer cells. [provided by RefSeq, Nov 2010]

AIFM2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.11506453).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032797.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	AIFM2	NM_032797.6	MANE Select	c.973G>A	p.Ala325Thr	missense splice_region	Exon 9 of 9	NP_116186.1	Q9BRQ8-1
	AIFM2	NM_001198696.2		c.973G>A	p.Ala325Thr	missense splice_region	Exon 9 of 9	NP_001185625.1	Q9BRQ8-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
AIFM2	ENST00000307864.3	TSL:1 MANE Select	c.973G>A	p.Ala325Thr	missense splice_region	Exon 9 of 9	ENSP00000312370.1	Q9BRQ8-1
AIFM2	ENST00000373248.5	TSL:1	c.973G>A	p.Ala325Thr	missense splice_region	Exon 8 of 9	ENSP00000362345.1	Q9BRQ8-1
AIFM2	ENST00000856761.1		c.1207G>A	p.Ala403Thr	missense splice_region	Exon 9 of 9	ENSP00000526820.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461698

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727162

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33472

American (AMR)

AF:

0.00

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53282

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111978

Other (OTH)

AF:

0.00

AC:

AN:

60390

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.084

BayesDel_addAF

Benign

-0.26

BayesDel_noAF

Benign

-0.62

CADD

Benign

(source)

DANN

Benign

0.90

DEOGEN2

Benign

0.063

Eigen

Benign

-1.1

Eigen_PC

Benign

-1.0

FATHMM_MKL

Benign

0.075

LIST_S2

Benign

0.82

M_CAP

Benign

0.0066

MetaRNN

Benign

0.12

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.4

PhyloP100

0.65

PrimateAI

Benign

0.30

PROVEAN

Benign

-0.31

REVEL

Benign

0.061

Sift

Benign

0.53

Sift4G

Benign

0.53

Polyphen

0.16

Vest4

0.10

MutPred

0.47

Loss of sheet (P = 0.0315)

MVP

0.29

MPC

0.12

ClinPred

0.087

GERP RS

1.2

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.0

Varity_R

0.021

gMVP

0.51

Mutation Taster

=95/5

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over