Genetic Variant NM_001004439.2:c.3425T>A (chr15-68303842-A-T) – 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_001004439.2(ITGA11):c.3425T>A(p.Ile1142Asn) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,460,832 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: 0.0000014 ( 0 hom. )

Consequence

ITGA11
NM_001004439.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.38

Variant links:

Genes affected

ITGA11 (HGNC:6136): (integrin subunit alpha 11) This gene encodes an alpha integrin. Integrins are heterodimeric integral membrane proteins composed of an alpha chain and a beta chain. This protein contains an I domain, is expressed in muscle tissue, dimerizes with beta 1 integrin in vitro, and appears to bind collagen in this form. Therefore, the protein may be involved in attaching muscle tissue to the extracellular matrix. Alternative transcriptional splice variants have been found for this gene, but their biological validity is not determined. [provided by RefSeq, Jul 2008]

ITGA11 links:

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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;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ITGA11	NM_001004439.2 link	c.3425T>A	p.Ile1142Asn	missense_variant	Exon 29 of 30	ENST00000315757.9	NP_001004439.1	Q9UKX5-1B3KTN6
ITGA11	XM_011521363.3 link	c.3218T>A	p.Ile1073Asn	missense_variant	Exon 27 of 28		XP_011519665.1
ITGA11	XM_005254228.4 link	c.3119T>A	p.Ile1040Asn	missense_variant	Exon 27 of 28		XP_005254285.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ITGA11	ENST00000315757.9 link	c.3425T>A	p.Ile1142Asn	missense_variant	Exon 29 of 30	1	NM_001004439.2	ENSP00000327290.7		Q9UKX5-1
ITGA11	ENST00000423218.6 link	c.3428T>A	p.Ile1143Asn	missense_variant	Exon 29 of 30	2		ENSP00000403392.2		Q9UKX5-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000403

AC:

AN:

248118

AF XY:

0.00000742

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000889

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1460832

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726762

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33448

American (AMR)

AF:

0.00

AC:

AN:

44642

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26088

East Asian (EAS)

AF:

0.00

AC:

AN:

39640

South Asian (SAS)

AF:

0.00

AC:

AN:

86180

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53348

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.00000180

AC:

AN:

1111400

Other (OTH)

AF:

0.00

AC:

AN:

60324

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.000111

Hom.:

ExAC

AF:

0.00000828

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 18, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.3425T>A (p.I1142N) alteration is located in exon 29 (coding exon 29) of the ITGA11 gene. This alteration results from a T to A substitution at nucleotide position 3425, causing the isoleucine (I) at amino acid position 1142 to be replaced by an asparagine (N). 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

Benign

0.22

BayesDel_addAF

Benign

-0.0062

BayesDel_noAF

Benign

-0.25

CADD

Uncertain

(source)

DANN

Uncertain

0.98

DEOGEN2

Uncertain

0.66

.;D

Eigen

Benign

0.059

Eigen_PC

Benign

0.15

FATHMM_MKL

Uncertain

0.91

LIST_S2

Uncertain

0.87

D;D

M_CAP

Benign

0.024

MetaRNN

Uncertain

0.69

D;D

MetaSVM

Benign

-0.87

MutationAssessor

Uncertain

2.7

.;M

PhyloP100

4.4

PrimateAI

Uncertain

0.51

PROVEAN

Pathogenic

-4.8

D;D

REVEL

Benign

0.15

Sift

Uncertain

0.0010

D;D

Sift4G

Uncertain

0.0050

D;D

Polyphen

0.32

.;B

Vest4

0.93

MutPred

0.41

.;Gain of catalytic residue at I1142 (P = 0.0231);

MVP

0.76

MPC

0.21

ClinPred

0.99

GERP RS

4.5

Varity_R

0.86

gMVP

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over