15-43197329-G-A

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 2P and 11B. PM2 BP4_Strong BP6_Moderate BP7 BS1

The NM_001114134.2(EPB42):c.2049C>T(p.Thr683=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000824 in 1,614,182 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

• Frequency:
  • Genomes: 𝑓 0.00033 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000056 (0 hom.)
• Consequence: EPB42 NM_001114134.2 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: -1.22

Genes affected

EPB42 (HGNC:3381): (erythrocyte membrane protein band 4.2) Erythrocyte membrane protein band 4.2 is an ATP-binding protein which may regulate the association of protein 3 with ankyrin. It probably has a role in erythrocyte shape and mechanical property regulation. Mutations in the EPB42 gene are associated with recessive spherocytic elliptocytosis and recessively transmitted hereditary hemolytic anemia. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

ACMG classification

Verdict is Benign. Variant got -9 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.73).
• BP6: Variant 15-43197329-G-A is Benign according to our data. Variant chr15-43197329-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 2083375.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=-1.22 with no splicing effect.
• BS1: Variant frequency is greater than expected in population afr. gnomad4_exome allele frequency = 0.0000561 (82/1461884) while in subpopulation AFR AF= 0.00182 (61/33480). AF 95% confidence interval is 0.00146. There are 0 homozygotes in gnomad4_exome. There are 37 alleles in male gnomad4_exome subpopulation. Median coverage is 30. This position pass quality control queck.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
EPB42	NM_001114134.2	c.2049C>T	p.Thr683=	synonymous_variant	13/13	ENST00000441366.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
EPB42	ENST00000441366.7	c.2049C>T	p.Thr683=	synonymous_variant	13/13	1	NM_001114134.2	P1
EPB42	ENST00000567019.2	n.1555C>T		non_coding_transcript_exon_variant	8/8	1
EPB42	ENST00000648595.1	c.2139C>T	p.Thr713=	synonymous_variant	13/13
EPB42	ENST00000540029.5	c.1815C>T	p.Thr605=	synonymous_variant	12/12	2

Frequencies

GnomAD3 genomes AF: 0.000335 AC: 51 AN: 152180 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00113

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000131

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.0000942

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000147

Gnomad OTH AF: 0.00

GnomAD3 exomes AF: 0.000115 AC: 29 AN: 251488 Hom.: 0 AF XY: 0.0000956 AC XY: 13 AN XY: 135918

Gnomad AFR exome AF: 0.00123

Gnomad AMR exome AF: 0.000231

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00000879

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000561 AC: 82 AN: 1461884 Hom.: 0 Cov.: 30 AF XY: 0.0000509 AC XY: 37 AN XY: 727244

Gnomad4 AFR exome AF: 0.00182

Gnomad4 AMR exome AF: 0.000224

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00000360

Gnomad4 OTH exome AF: 0.000116

GnomAD4 genome AF: 0.000335 AC: 51 AN: 152298 Hom.: 0 Cov.: 32 AF XY: 0.000309 AC XY: 23 AN XY: 74472

Gnomad4 AFR AF: 0.00113

Gnomad4 AMR AF: 0.000131

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.0000942

Gnomad4 NFE AF: 0.0000147

Gnomad4 OTH AF: 0.00

Alfa AF: 0.000232 Hom.: 0

Bravo AF: 0.000438

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

not provided Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Invitae

Jan 16, 2022

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.73
Cadd	Benign	0.71
Dann	Benign	0.81

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: rs138957112; hg19: chr15-43489527;