Genetic Variant IQCE:p.Ala102Ala (chr7-2572238-G-A) – ACMG Classification: Benign (-11 pts)

Variant summary

Our verdict is Benign. The variant received -11 ACMG points: 0P and 11B. BP4_StrongBP6_ModerateBP7BS2

The NM_152558.5(IQCE):c.306G>A(p.Ala102Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00102 in 1,614,160 control chromosomes in the GnomAD database, including 8 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.0014 ( 3 hom., cov: 33)

Exomes 𝑓: 0.00097 ( 5 hom. )

Consequence

IQCE
NM_152558.5 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -2.67

Publications

0 publications found

Variant links:

Genes affected

IQCE (HGNC:29171): (IQ motif containing E) Involved in limb morphogenesis. Predicted to be extrinsic component of membrane. Predicted to be part of plasma membrane protein complex. [provided by Alliance of Genome Resources, Apr 2022]

IQCE Gene-Disease associations (from GenCC):

postaxial polydactyly type A
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
polydactyly, postaxial, type a7
Inheritance: AR Classification: LIMITED Submitted by: Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae)

IQCE links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -11 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.77).

BP6

Variant 7-2572238-G-A is Benign according to our data. Variant chr7-2572238-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 3770645.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-2.67 with no splicing effect.

BS2

High Homozygotes in GnomAd4 at 3 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IQCE	NM_152558.5 link	c.306G>A	p.Ala102Ala	synonymous_variant	Exon 5 of 22	ENST00000402050.7	NP_689771.3	Q6IPM2-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IQCE	ENST00000402050.7 link	c.306G>A	p.Ala102Ala	synonymous_variant	Exon 5 of 22	1	NM_152558.5	ENSP00000385597.2		Q6IPM2-1

Frequencies

GnomAD3 genomes

AF:

0.00144

AC:

219

AN:

152184

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000169

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00115

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0102

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00143

Gnomad OTH

AF:

0.000959

GnomAD2 exomes

AF:

0.00144

AC:

360

AN:

249524

AF XY:

0.00140

show subpopulations

Gnomad AFR exome

AF:

0.000129

Gnomad AMR exome

AF:

0.000145

Gnomad ASJ exome

AF:

0.000596

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0106

Gnomad NFE exome

AF:

0.000936

Gnomad OTH exome

AF:

0.00215

GnomAD4 exome

AF:

0.000972

AC:

1421

AN:

1461858

Hom.:

Cov.:

AF XY:

0.00100

AC XY:

727

AN XY:

727228

show subpopulations

African (AFR)

AF:

0.000149

AC:

AN:

33480

American (AMR)

AF:

0.0000671

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.000497

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.0107

AC:

574

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000690

AC:

767

AN:

1111980

Other (OTH)

AF:

0.000960

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.486

Heterozygous variant carriers

148

222

296

370

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00144

AC:

219

AN:

152302

Hom.:

Cov.:

AF XY:

0.00168

AC XY:

125

AN XY:

74482

show subpopulations

African (AFR)

AF:

0.000168

AC:

AN:

41552

American (AMR)

AF:

0.0000654

AC:

AN:

15302

Ashkenazi Jewish (ASJ)

AF:

0.00115

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.0102

AC:

108

AN:

10612

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00143

AC:

AN:

68036

Other (OTH)

AF:

0.000949

AC:

AN:

2108

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00166

Hom.:

Bravo

AF:

0.000601

EpiCase

AF:

0.000709

EpiControl

AF:

0.00113

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Feb 01, 2025

CeGaT Center for Human Genetics Tuebingen

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

IQCE: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.77

CADD

Benign

0.88

(source)

DANN

Benign

0.73

PhyloP100

-2.7

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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chr7-2572238-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over