Genetic Variant ERP29:p.Asp84Tyr (chr12-112019861-G-T) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_006817.4(ERP29):c.250G>T(p.Asp84Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000658 in 152,090 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts 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. D84N) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

ERP29
NM_006817.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.81

Publications

0 publications found

Variant links:

Genes affected

ERP29 (HGNC:13799): (endoplasmic reticulum protein 29) This gene encodes a protein which localizes to the lumen of the endoplasmic reticulum (ER). It is a member of the protein disulfide isomerase (PDI) protein family but lacks an active thioredoxin motif, suggesting that this protein does not function as a disulfide isomerase. The canonical protein dimerizes and is thought to play a role in the processing of secretory proteins within the ER. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Dec 2016]

ERP29 links:

LOC124903021 (HGNC:):

LOC124903021 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.39641055).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ERP29	NM_006817.4 link	c.250G>T	p.Asp84Tyr	missense_variant	Exon 2 of 3	ENST00000261735.4	NP_006808.1	P30040-1V9HW71
LOC124903021	XR_007063464.1 link	n.1630C>A		non_coding_transcript_exon_variant	Exon 2 of 2
ERP29	NM_001034025.2 link	c.145-2289G>T		intron_variant	Intron 1 of 1		NP_001029197.1	P30040-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ERP29	ENST00000261735.4 link	c.250G>T	p.Asp84Tyr	missense_variant	Exon 2 of 3	1	NM_006817.4	ENSP00000261735.3	P30040-1
ERP29	ENST00000546477.1 link	c.-54G>T		5_prime_UTR_variant	Exon 2 of 3	3		ENSP00000449018.1	F8VY02
ERP29	ENST00000455836.1 link	c.145-2289G>T		intron_variant	Intron 1 of 1	2		ENSP00000412083.1	P30040-2
ERP29	ENST00000552052.1 link	c.*25G>T		downstream_gene_variant		3		ENSP00000447472.1	F8W1G0

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

152090

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:

0.000193

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000658

AC:

AN:

152090

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74286

show subpopulations

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

African (AFR)

AF:

0.00

AC:

AN:

41398

American (AMR)

AF:

0.00

AC:

AN:

15260

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000193

AC:

AN:

5192

South Asian (SAS)

AF:

0.00

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10596

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68038

Other (OTH)

AF:

0.00

AC:

AN:

2088

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.375

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

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.28

BayesDel_addAF

Benign

-0.010

BayesDel_noAF

Benign

-0.25

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.44

Eigen

Uncertain

0.53

Eigen_PC

Uncertain

0.56

FATHMM_MKL

Uncertain

0.82

LIST_S2

Uncertain

0.87

M_CAP

Benign

0.0038

MetaRNN

Benign

0.40

MetaSVM

Benign

-0.80

MutationAssessor

Benign

1.4

PhyloP100

2.8

PrimateAI

Uncertain

0.63

PROVEAN

Uncertain

-3.7

REVEL

Benign

0.25

Sift

Uncertain

0.026

Sift4G

Uncertain

0.036

Polyphen

0.98

Vest4

0.42

MutPred

0.56

Loss of disorder (P = 0.0189);

MVP

0.41

MPC

0.71

ClinPred

0.96

GERP RS

5.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.50

gMVP

0.58

Mutation Taster

=89/11

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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chr12-112019861-G-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over