Genetic Variant ITGB1:p.Gln663Leu (chr10-32910399-T-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_002211.4(ITGB1):c.1988A>T(p.Gln663Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000811 in 1,603,138 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: 32)

Exomes 𝑓: 0.0000083 ( 0 hom. )

Consequence

ITGB1
NM_002211.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.89

Variant links:

Genes affected

ITGB1 (HGNC:6153): (integrin subunit beta 1) Integrins are heterodimeric proteins made up of alpha and beta subunits. At least 18 alpha and 8 beta subunits have been described in mammals. Integrin family members are membrane receptors involved in cell adhesion and recognition in a variety of processes including embryogenesis, hemostasis, tissue repair, immune response and metastatic diffusion of tumor cells. This gene encodes a beta subunit. Multiple alternatively spliced transcript variants which encode different protein isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

ITGB1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2

High AC in GnomAdExome4 at 12 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ITGB1	NM_002211.4 link	c.1988A>T	p.Gln663Leu	missense_variant	Exon 14 of 16	ENST00000302278.8	NP_002202.2	P05556-1
ITGB1	NM_033668.2 link	c.1988A>T	p.Gln663Leu	missense_variant	Exon 13 of 16		NP_391988.1	P05556-5
ITGB1	NM_133376.3 link	c.1988A>T	p.Gln663Leu	missense_variant	Exon 14 of 16		NP_596867.1	P05556-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ITGB1	ENST00000302278.8 link	c.1988A>T	p.Gln663Leu	missense_variant	Exon 14 of 16	1	NM_002211.4	ENSP00000303351.3		P05556-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152258

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

GnomAD3 exomes

AF:

0.0000120

AC:

AN:

249250

Hom.:

AF XY:

0.0000223

AC XY:

AN XY:

134792

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000878

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000827

AC:

AN:

1450880

Hom.:

Cov.:

AF XY:

0.0000125

AC XY:

AN XY:

721452

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.000273

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:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152258

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74396

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.0000654

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Sep 10, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.1988A>T (p.Q663L) alteration is located in exon 13 (coding exon 13) of the ITGB1 gene. This alteration results from a A to T substitution at nucleotide position 1988, causing the glutamine (Q) at amino acid position 663 to be replaced by a leucine (L). 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

0.10

BayesDel_addAF

Uncertain

0.037

BayesDel_noAF

Benign

-0.10

CADD

Benign

DANN

Uncertain

0.98

DEOGEN2

Benign

0.31

.;T;T

Eigen

Benign

-0.11

Eigen_PC

Benign

0.087

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.92

D;D;.

M_CAP

Benign

0.078

MetaRNN

Uncertain

0.58

D;D;D

MetaSVM

Benign

-0.32

MutationAssessor

Benign

1.2

L;L;L

PrimateAI

Benign

0.31

PROVEAN

Benign

-1.4

N;N;N

REVEL

Uncertain

0.30

Sift

Benign

0.26

T;T;T

Sift4G

Benign

0.30

T;T;T

Polyphen

0.0020

B;B;B

Vest4

0.58

MutPred

0.56

Loss of disorder (P = 0.039);Loss of disorder (P = 0.039);Loss of disorder (P = 0.039);

MVP

0.85

MPC

0.78

ClinPred

0.27

GERP RS

5.6

Varity_R

0.10

gMVP

0.58

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.060

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

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over