Genetic Variant EVA1C:p.Val327Leu (chr21-32514843-G-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_058187.5(EVA1C):c.979G>T(p.Val327Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000695 in 1,438,858 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V327M) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

EVA1C
NM_058187.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.705

Publications

0 publications found

Variant links:

Genes affected

EVA1C (HGNC:13239): (eva-1 homolog C) Enables heparin binding activity. Colocalizes with extracellular region. [provided by Alliance of Genome Resources, Apr 2022]

EVA1C links:

CFAP298-TCP10L (HGNC:54636): (CFAP298-TCP10L readthrough) This locus represents naturally occurring readthrough transcription between the neighboring chromosome 21 open reading frame 59 (C21orf59) and TCP10L (t-complex 10 like) genes on chromosome 21. Readthrough transcripts may encode a fusion protein that shares sequence identity with each individual gene product. [provided by RefSeq, Apr 2017]

CFAP298-TCP10L links:

TCP10L (HGNC:11657): (t-complex 10 like) Enables several functions, including identical protein binding activity; protein self-association; and transcription corepressor activity. Involved in negative regulation of transcription by RNA polymerase II. Located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

TCP10L 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=0.13060707).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EVA1C	NM_058187.5 link	c.979G>T	p.Val327Leu	missense_variant	Exon 8 of 8	ENST00000300255.7	NP_478067.2	P58658-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EVA1C	ENST00000300255.7 link	c.979G>T	p.Val327Leu	missense_variant	Exon 8 of 8	1	NM_058187.5	ENSP00000300255.2		P58658-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.95e-7

AC:

AN:

1438858

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

712494

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33016

American (AMR)

AF:

0.00

AC:

AN:

42934

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25030

East Asian (EAS)

AF:

0.00

AC:

AN:

39314

South Asian (SAS)

AF:

0.00

AC:

AN:

83348

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52702

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4758

European-Non Finnish (NFE)

AF:

9.10e-7

AC:

AN:

1098562

Other (OTH)

AF:

0.00

AC:

AN:

59194

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.22

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Benign

-0.39

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.0068

T;T;.

Eigen

Benign

-0.17

Eigen_PC

Benign

-0.092

FATHMM_MKL

Uncertain

0.86

LIST_S2

Benign

0.83

T;T;T

M_CAP

Benign

0.018

MetaRNN

Benign

0.13

T;T;T

MetaSVM

Benign

-0.96

MutationAssessor

Benign

1.9

L;.;.

PhyloP100

0.70

PrimateAI

Uncertain

0.60

PROVEAN

Benign

-0.49

N;N;N

REVEL

Benign

0.13

Sift

Benign

0.48

T;T;T

Sift4G

Uncertain

0.045

D;D;D

Polyphen

0.060

B;.;.

Vest4

0.22

MutPred

0.27

Loss of catalytic residue at V327 (P = 0.2748);.;.;

MVP

0.43

MPC

0.32

ClinPred

0.40

GERP RS

3.6

Varity_R

0.045

gMVP

0.36

Mutation Taster

=96/4

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over