Genetic Variant IER3IP1:p.Phe27SerfsTer26 (chr18-47176197-GA-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_016097.5(IER3IP1):c.80delT(p.Phe27SerfsTer26) variant causes a frameshift change. The variant allele was found at a frequency of 0.00000657 in 152,242 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 34)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

IER3IP1
NM_016097.5 frameshift

Scores

Not classified

Clinical Significance

Uncertain significance criteria provided, single submitter P:1U:1

Conservation

PhyloP100: 6.17

Publications

1 publications found

Variant links:

Genes affected

IER3IP1 (HGNC:18550): (immediate early response 3 interacting protein 1) This gene encodes a small protein that is localized to the endoplasmic reticulum (ER) and may play a role in the ER stress response by mediating cell differentiation and apoptosis. Transcription of this gene is regulated by tumor necrosis factor alpha and specificity protein 1 (Sp1). Mutations in this gene may play a role in microcephaly, epilepsy, and diabetes syndrome (MEDS), and a pseudogene of this gene is located on the long arm of chromosome 12. [provided by RefSeq, Dec 2011]

IER3IP1 Gene-Disease associations (from GenCC):

microcephaly, epilepsy, and diabetes syndrome 1
Inheritance: AR Classification: STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae)
primary microcephaly-epilepsy-permanent neonatal diabetes syndrome
Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Genomics England PanelApp

IER3IP1 links:

ENSG00000267228 (HGNC:):

ENSG00000267228 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_016097.5. 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
	IER3IP1	NM_016097.5	MANE Select	c.80delT	p.Phe27SerfsTer26	frameshift	Exon 1 of 3	NP_057181.1	Q9Y5U9

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
IER3IP1	ENST00000256433.6	TSL:1 MANE Select	c.80delT	p.Phe27SerfsTer26	frameshift	Exon 1 of 3	ENSP00000256433.3	Q9Y5U9
ENSG00000267228	ENST00000588705.1	TSL:2	n.80delT		non_coding_transcript_exon	Exon 1 of 6	ENSP00000465194.1
IER3IP1	ENST00000932440.1		c.80delT	p.Phe27SerfsTer65	frameshift	Exon 1 of 4	ENSP00000602499.1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152242

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

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

Data not reliable, filtered out with message: AS_VQSR

AF:

6.92e-7

AC:

AN:

1445498

Hom.:

Cov.:

AF XY:

0.00000139

AC XY:

AN XY:

717672

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33196

American (AMR)

AF:

0.0000233

AC:

AN:

42900

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25762

East Asian (EAS)

AF:

0.00

AC:

AN:

39086

South Asian (SAS)

AF:

0.00

AC:

AN:

83662

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51296

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5454

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1104408

Other (OTH)

AF:

0.00

AC:

AN:

59734

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152242

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74370

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41468

American (AMR)

AF:

0.0000654

AC:

AN:

15294

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5172

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68056

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

Microcephaly, epilepsy, and diabetes syndrome (1)

Microcephaly, epilepsy, and diabetes syndrome 1 (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

PhyloP100

6.2

Mutation Taster

=5/195

disease causing

(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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over