Genetic Variant VMAC:p.Arg21Pro (chr19-5904952-G-C) – 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_001017921.4(VMAC):c.62G>C(p.Arg21Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000149 in 1,480,042 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000014 ( 1 hom. )

Consequence

VMAC
NM_001017921.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.85

Publications

0 publications found

Variant links:

Genes affected

VMAC (HGNC:33803): (vimentin type intermediate filament associated coiled-coil protein) Predicted to be located in cytoplasm. Predicted to be active in type III intermediate filament. [provided by Alliance of Genome Resources, Apr 2022]

VMAC links:

ENSG00000267314 (HGNC:):

ENSG00000267314 links:

Genome browser will be placed here

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=0.21353495).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
VMAC	NM_001017921.4 link	c.62G>C	p.Arg21Pro	missense_variant	Exon 1 of 2	ENST00000339485.4	NP_001017921.1	Q2NL98

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
VMAC	ENST00000339485.4 link	c.62G>C	p.Arg21Pro	missense_variant	Exon 1 of 2	1	NM_001017921.4	ENSP00000343348.2		Q2NL98
ENSG00000267314	ENST00000588891.1 link	n.62G>C		non_coding_transcript_exon_variant	Exon 1 of 4	4		ENSP00000468419.1		K7ERU9

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152166

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.0000441

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000262

AC:

AN:

76300

AF XY:

0.0000225

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000709

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000341

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000143

AC:

AN:

1327876

Hom.:

Cov.:

AF XY:

0.0000107

AC XY:

AN XY:

655136

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26706

American (AMR)

AF:

0.0000768

AC:

AN:

26044

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

23238

East Asian (EAS)

AF:

0.00

AC:

AN:

29144

South Asian (SAS)

AF:

0.00

AC:

AN:

73104

European-Finnish (FIN)

AF:

0.00

AC:

AN:

32974

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3932

European-Non Finnish (NFE)

AF:

0.0000161

AC:

AN:

1057676

Other (OTH)

AF:

0.00

AC:

AN:

55058

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152166

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74332

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41446

American (AMR)

AF:

0.00

AC:

AN:

15280

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10602

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 10, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.62G>C (p.R21P) alteration is located in exon 1 (coding exon 1) of the VMAC gene. This alteration results from a G to C substitution at nucleotide position 62, causing the arginine (R) at amino acid position 21 to be replaced by a proline (P). 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

0.69

BayesDel_addAF

Benign

-0.14

BayesDel_noAF

Benign

-0.25

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.080

Eigen

Benign

-0.61

Eigen_PC

Benign

-0.51

FATHMM_MKL

Benign

0.58

LIST_S2

Benign

0.74

M_CAP

Uncertain

0.10

MetaRNN

Benign

0.21

MetaSVM

Benign

-1.0

MutationAssessor

Uncertain

2.2

PhyloP100

2.9

PrimateAI

Pathogenic

0.88

PROVEAN

Uncertain

-2.8

REVEL

Benign

0.17

Sift

Benign

0.089

Sift4G

Uncertain

0.026

Polyphen

0.021

Vest4

0.57

MutPred

0.19

Loss of MoRF binding (P = 0.0011);

MVP

0.085

MPC

1.5

ClinPred

0.53

GERP RS

2.5

PromoterAI

0.010

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.0

Varity_R

0.71

gMVP

0.51

Mutation Taster

=75/25

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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19-5904952-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over