NM_002206.3:c.227A>G

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_002206.3(ITGA7):​c.227A>G​(p.Gln76Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000968 in 1,611,292 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00010 ( 0 hom. )

Consequence

ITGA7
NM_002206.3 missense

Scores

3
15

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:3

Conservation

PhyloP100: 0.284

Publications

0 publications found
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]
ITGA7 Gene-Disease associations (from GenCC):
  • congenital muscular dystrophy due to integrin alpha-7 deficiency
    Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: G2P, Orphanet, Labcorp Genetics (formerly Invitae)
  • congenital fiber-type disproportion myopathy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.11544457).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002206.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ITGA7
NM_002206.3
MANE Select
c.227A>Gp.Gln76Arg
missense
Exon 2 of 25NP_002197.2Q13683-7
ITGA7
NM_001410977.1
c.227A>Gp.Gln76Arg
missense
Exon 2 of 26NP_001397906.1Q13683-1
ITGA7
NM_001144996.2
c.227A>Gp.Gln76Arg
missense
Exon 2 of 25NP_001138468.1Q13683-3

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ITGA7
ENST00000257879.11
TSL:1 MANE Select
c.227A>Gp.Gln76Arg
missense
Exon 2 of 25ENSP00000257879.7Q13683-7
ITGA7
ENST00000553804.6
TSL:1
c.227A>Gp.Gln76Arg
missense
Exon 2 of 25ENSP00000452120.1Q13683-3
ITGA7
ENST00000555728.5
TSL:5
c.227A>Gp.Gln76Arg
missense
Exon 2 of 26ENSP00000452387.1Q13683-1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152120
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000241
AC:
6
AN:
248596
AF XY:
0.0000297
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:
0.0000532
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000103
AC:
151
AN:
1459172
Hom.:
0
Cov.:
37
AF XY:
0.000114
AC XY:
83
AN XY:
725974
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33462
American (AMR)
AF:
0.00
AC:
0
AN:
44720
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86210
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
51606
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5102
European-Non Finnish (NFE)
AF:
0.000135
AC:
150
AN:
1111940
Other (OTH)
AF:
0.0000166
AC:
1
AN:
60298
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.482
Heterozygous variant carriers
0
9
17
26
34
43
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152120
Hom.:
0
Cov.:
33
AF XY:
0.0000404
AC XY:
3
AN XY:
74298
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41446
American (AMR)
AF:
0.00
AC:
0
AN:
15282
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5170
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4822
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10600
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000735
AC:
5
AN:
68014
Other (OTH)
AF:
0.00
AC:
0
AN:
2088
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.445
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.0000264
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.00
EpiControl
AF:
0.000178

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
Congenital muscular dystrophy due to integrin alpha-7 deficiency (2)
-
1
-
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.092
BayesDel_addAF
Benign
-0.13
T
BayesDel_noAF
Benign
-0.26
CADD
Benign
19
DANN
Benign
0.88
DEOGEN2
Benign
0.0035
T
Eigen
Benign
-0.58
Eigen_PC
Benign
-0.34
FATHMM_MKL
Uncertain
0.85
D
LIST_S2
Benign
0.63
T
M_CAP
Benign
0.046
D
MetaRNN
Benign
0.12
T
MetaSVM
Benign
-0.65
T
MutationAssessor
Benign
-0.10
N
PhyloP100
0.28
PrimateAI
Uncertain
0.61
T
PROVEAN
Benign
0.46
N
REVEL
Uncertain
0.32
Sift
Benign
1.0
T
Sift4G
Benign
0.98
T
Polyphen
0.0030
B
Vest4
0.28
MutPred
0.47
Gain of methylation at Q76 (P = 0.0255)
MVP
0.81
MPC
0.61
ClinPred
0.24
T
GERP RS
4.5
Varity_R
0.15
gMVP
0.73
Mutation Taster
=81/19
polymorphism

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

Other links and lift over

dbSNP: rs767427150; hg19: chr12-56096942; API