Genetic Variant ARMC12:p.Val154Leu (chr6-35747276-G-C) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP2PP3

The NM_001286574.2(ARMC12):c.460G>C(p.Val154Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,460,118 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ARMC12
NM_001286574.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.47

Publications

0 publications found

Variant links:

Genes affected

ARMC12 (HGNC:21099): (armadillo repeat containing 12) Located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ARMC12 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 3 curated pathogenic missense variants (we use a threshold of 10). The gene has 0 curated benign missense variants. Gene score misZ: 0.27213 (below the threshold of 3.09). Trascript score misZ: 1.0694 (below the threshold of 3.09).

PP3

MetaRNN computational evidence supports a deleterious effect, 0.8

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ARMC12	NM_001286574.2 link	c.460G>C	p.Val154Leu	missense_variant	Exon 4 of 6	ENST00000373866.4	NP_001273503.1	Q5T9G4-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ARMC12	ENST00000373866.4 link	c.460G>C	p.Val154Leu	missense_variant	Exon 4 of 6	3	NM_001286574.2	ENSP00000362973.3	Q5T9G4-1
ARMC12	ENST00000288065.6 link	c.541G>C	p.Val181Leu	missense_variant	Exon 4 of 6	1		ENSP00000288065.2	Q5T9G4-2
ARMC12	ENST00000373869.7 link	c.460G>C	p.Val154Leu	missense_variant	Exon 4 of 6	2		ENSP00000362976.3	Q5T9G4-3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460118

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726362

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33424

American (AMR)

AF:

0.00

AC:

AN:

44710

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26124

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86172

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4454

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111868

Other (OTH)

AF:

0.00

AC:

AN:

60252

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.675

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Apr 26, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.541G>C (p.V181L) alteration is located in exon 4 (coding exon 4) of the ARMC12 gene. This alteration results from a G to C substitution at nucleotide position 541, causing the valine (V) at amino acid position 181 to be replaced by a leucine (L). 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

Pathogenic

0.65

BayesDel_addAF

Benign

-0.034

BayesDel_noAF

Benign

-0.29

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.15

.;.;T

Eigen

Benign

-0.25

Eigen_PC

Benign

-0.13

FATHMM_MKL

Uncertain

0.85

LIST_S2

Benign

0.79

T;T;T

M_CAP

Benign

0.012

MetaRNN

Pathogenic

0.80

D;D;D

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.9

L;.;L

PhyloP100

2.5

PrimateAI

Uncertain

0.66

PROVEAN

Uncertain

-2.4

N;N;N

REVEL

Benign

0.17

Sift

Uncertain

0.0080

D;D;D

Sift4G

Pathogenic

0.0

D;D;D

Polyphen

0.0080

B;B;.

Vest4

0.71

MutPred

0.73

.;Loss of ubiquitination at K180 (P = 0.0594);.;

MVP

0.47

MPC

0.13

ClinPred

0.68

GERP RS

4.4

Varity_R

0.26

gMVP

0.41

Mutation Taster

=83/17

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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6-35747276-G-C

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