rs544984385

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_002206.3(ITGA7):​c.1994C>T​(p.Pro665Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000311 in 1,609,360 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 30)
Exomes 𝑓: 0.000030 ( 1 hom. )

Consequence

ITGA7
NM_002206.3 missense

Scores

1
8
10

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 2.73
Variant links:
Genes affected
ITGA7 (HGNC:6143): (integrin subunit alpha 7) The protein encoded by this gene belongs to the integrin alpha chain family. Integrins are heterodimeric integral membrane proteins composed of an alpha chain and a beta chain. They mediate a wide spectrum of cell-cell and cell-matrix interactions, and thus play a role in cell migration, morphologic development, differentiation, and metastasis. This protein functions as a receptor for the basement membrane protein laminin-1. It is mainly expressed in skeletal and cardiac muscles and may be involved in differentiation and migration processes during myogenesis. Defects in this gene are associated with congenital myopathy. Alternatively spliced transcript variants encoding different isoforms have been noted for this gene. [provided by RefSeq, Feb 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.16506615).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ITGA7NM_002206.3 linkc.1994C>T p.Pro665Leu missense_variant Exon 14 of 25 ENST00000257879.11 NP_002197.2 Q13683-7Q4LE35

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ITGA7ENST00000257879.11 linkc.1994C>T p.Pro665Leu missense_variant Exon 14 of 25 1 NM_002206.3 ENSP00000257879.7 Q13683-7

Frequencies

GnomAD3 genomes
AF:
0.0000395
AC:
6
AN:
151894
Hom.:
0
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000197
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000623
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000358
AC:
9
AN:
251400
Hom.:
0
AF XY:
0.0000515
AC XY:
7
AN XY:
135902
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 SAS exome
AF:
0.000294
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000302
AC:
44
AN:
1457348
Hom.:
1
Cov.:
30
AF XY:
0.0000386
AC XY:
28
AN XY:
725336
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000429
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.03e-7
Gnomad4 OTH exome
AF:
0.0000831
GnomAD4 genome
AF:
0.0000395
AC:
6
AN:
152012
Hom.:
0
Cov.:
30
AF XY:
0.0000673
AC XY:
5
AN XY:
74306
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000196
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000623
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000564
Hom.:
0
ExAC
AF:
0.0000576
AC:
7
Asia WGS
AF:
0.000577
AC:
2
AN:
3478

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Congenital muscular dystrophy due to integrin alpha-7 deficiency Uncertain:2
Jun 13, 2022
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). ClinVar contains an entry for this variant (Variation ID: 537993). This variant has not been reported in the literature in individuals affected with ITGA7-related conditions. This variant is present in population databases (rs544984385, gnomAD 0.03%). This sequence change replaces proline, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 665 of the ITGA7 protein (p.Pro665Leu). -

Aug 07, 2023
Revvity Omics, Revvity
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.096
BayesDel_addAF
Benign
-0.17
T
BayesDel_noAF
Benign
-0.18
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Benign
0.037
.;.;T;.;T
Eigen
Uncertain
0.30
Eigen_PC
Uncertain
0.35
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Uncertain
0.88
D;D;D;D;D
M_CAP
Benign
0.043
D
MetaRNN
Benign
0.17
T;T;T;T;T
MetaSVM
Benign
-0.67
T
MutationAssessor
Uncertain
2.2
.;.;.;.;M
PrimateAI
Uncertain
0.49
T
PROVEAN
Pathogenic
-4.5
D;D;D;D;D
REVEL
Uncertain
0.36
Sift
Benign
0.52
T;T;T;T;T
Sift4G
Benign
0.15
T;T;T;D;T
Polyphen
0.93
P;.;.;P;B
Vest4
0.62
MutPred
0.59
.;.;.;.;Loss of loop (P = 0.0512);
MVP
0.88
MPC
0.55
ClinPred
0.66
D
GERP RS
4.8
Varity_R
0.13
gMVP
0.57

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

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

Other links and lift over

dbSNP: rs544984385; hg19: chr12-56089315; API