chr3-96987441-C-A

Variant names:

• chr3-96987441-C-A
• rs202207730
• NM_001080448.3:c.562C>A

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2 PP3_Strong

The NM_001080448.3(EPHA6):​c.562C>A​(p.Arg188Ser) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,652 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. R188L) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: EPHA6 NM_001080448.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 5.00
• Publications: 0 publications found

Genes affected

EPHA6 (HGNC:19296): (EPH receptor A6) Predicted to enable transmembrane-ephrin receptor activity. Predicted to be involved in axon guidance; positive regulation of kinase activity; and transmembrane receptor protein tyrosine kinase signaling pathway. Located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.944

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001080448.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	EPHA6	NM_001080448.3	MANE Select	c.562C>A	p.Arg188Ser	missense	Exon 3 of 18	NP_001073917.2	A0A0B4J1T8
	EPHA6	NM_001278301.2		c.562C>A	p.Arg188Ser	missense	Exon 3 of 4	NP_001265230.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	EPHA6	ENST00000389672.10	TSL:1 MANE Select	c.562C>A	p.Arg188Ser	missense	Exon 3 of 18	ENSP00000374323.5	A0A0B4J1T8
	EPHA6	ENST00000506569.1	TSL:1	c.394C>A	p.Arg132Ser	missense	Exon 3 of 4	ENSP00000425132.1	H0Y9V0
	EPHA6	ENST00000470610.6	TSL:2	c.562C>A	p.Arg188Ser	missense	Exon 3 of 5	ENSP00000420598.2	E7EU71

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461652 Hom.: 0 Cov.: 32 AF XY: 0.00000138 AC XY: 1 AN XY: 727106

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

African (AFR) AF: 0.00 AC: 0 AN: 33478

American (AMR) AF: 0.00 AC: 0 AN: 44708

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39692

South Asian (SAS) AF: 0.0000116 AC: 1 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53402

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111836

Other (OTH) AF: 0.00 AC: 0 AN: 60374

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.96
BayesDel_addAF	Pathogenic	0.19	D
BayesDel_noAF	Uncertain	0.030
CADD	Pathogenic	27
DANN	Uncertain	1.0
DEOGEN2	Benign	0.25	T
Eigen	Pathogenic	0.72
Eigen_PC	Uncertain	0.62
FATHMM_MKL	Uncertain	0.96	D
LIST_S2	Uncertain	0.97	D
M_CAP	Benign	0.032	D
MetaRNN	Pathogenic	0.94	D
MetaSVM	Benign	-0.77	T
PhyloP100		5.0
PrimateAI	Uncertain	0.76	T
PROVEAN	Pathogenic	-4.8	D
REVEL	Uncertain	0.38
Sift	Pathogenic	0.0	D
Sift4G	Pathogenic	0.0010	D
Polyphen		1.0	D
Vest4		0.92
MutPred		0.83		Loss of MoRF binding (P = 0.0154)
MVP		0.62
MPC		0.98
ClinPred		1.0	D
GERP RS		3.9
gMVP		0.95
Mutation Taster		=13/87	disease causing

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

Other links and lift over

dbSNP: rs202207730; hg19: chr3-96706285; COSMIC: COSV101066569;