8-109554786-G-A

Position:

• chr8-109554786-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The ENST00000337573.10(EBAG9):​c.220G>A​(p.Glu74Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000479 in 1,461,484 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000048 (0 hom.)
• Consequence: EBAG9 ENST00000337573.10 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.60

Genes affected

EBAG9 (HGNC:3123): (estrogen receptor binding site associated antigen 9) This gene was identified as an estrogen-responsive gene. Regulation of transcription by estrogen is mediated by estrogen receptor, which binds to the estrogen-responsive element found in the 5'-flanking region of this gene. The encoded protein is a tumor-associated antigen that is expressed at high frequency in a variety of cancers. Alternate splicing results in multiple transcript variants. A pseudogene of this gene has been defined on chromosome 10. [provided by RefSeq, Jul 2013]

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
EBAG9	NM_004215.5	c.220G>A	p.Glu74Lys	missense_variant	4/7	ENST00000337573.10	NP_004206.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
EBAG9	ENST00000337573.10	c.220G>A	p.Glu74Lys	missense_variant	4/7	1	NM_004215.5	ENSP00000337675	P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.00000479 AC: 7 AN: 1461484 Hom.: 0 Cov.: 31 AF XY: 0.00000550 AC XY: 4 AN XY: 727026

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.000101

Gnomad4 SAS exome AF: 0.0000116

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00000180

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

May 28, 2024

The c.220G>A (p.E74K) alteration is located in exon 4 (coding exon 3) of the EBAG9 gene. This alteration results from a G to A substitution at nucleotide position 220, causing the glutamic acid (E) at amino acid position 74 to be replaced by a lysine (K). 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	0.74
BayesDel_addAF	Pathogenic	0.46	D
BayesDel_noAF	Pathogenic	0.43
CADD	Pathogenic	32
DANN	Pathogenic	1.0
DEOGEN2	Uncertain	0.47	T;.;T;T;T;.;.
Eigen	Pathogenic	0.96
Eigen_PC	Pathogenic	0.92
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.92	.;D;.;D;D;D;.
M_CAP	Benign	0.025	T
MetaRNN	Uncertain	0.70	D;D;D;D;D;D;D
MetaSVM	Uncertain	0.087	D
MutationAssessor	Uncertain	2.2	M;M;M;.;M;.;M
MutationTaster	Benign	1.0	D;D;D
PrimateAI	Uncertain	0.75	T
PROVEAN	Uncertain	-2.5	D;.;D;D;.;N;D
REVEL	Uncertain	0.41
Sift	Uncertain	0.025	D;.;D;D;.;D;D
Sift4G	Pathogenic	0.0	D;D;D;D;D;D;D
Polyphen		1.0	D;.;D;.;D;.;.
Vest4		0.73
MutPred		0.41		Gain of ubiquitination at E74 (P = 0.0192);Gain of ubiquitination at E74 (P = 0.0192);Gain of ubiquitination at E74 (P = 0.0192);Gain of ubiquitination at E74 (P = 0.0192);Gain of ubiquitination at E74 (P = 0.0192);Gain of ubiquitination at E74 (P = 0.0192);Gain of ubiquitination at E74 (P = 0.0192);
MVP		0.54
MPC		0.45
ClinPred		0.97	D
GERP RS		5.5
Varity_R		0.53
gMVP		0.66

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

LitVar

Other links and lift over

dbSNP: rs1821563529; hg19: chr8-110567015; COSMIC: COSV61753036;