rs374673302

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_StrongBP6BP7

The NM_001849.4(COL6A2):​c.1095G>A​(p.Glu365Glu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000409 in 1,612,866 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000042 ( 0 hom. )

Consequence

COL6A2
NM_001849.4 synonymous

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 0.691

Publications

0 publications found
Variant links:
Genes affected
COL6A2 (HGNC:2212): (collagen type VI alpha 2 chain) This gene encodes one of the three alpha chains of type VI collagen, a beaded filament collagen found in most connective tissues. The product of this gene contains several domains similar to von Willebrand Factor type A domains. These domains have been shown to bind extracellular matrix proteins, an interaction that explains the importance of this collagen in organizing matrix components. Mutations in this gene are associated with Bethlem myopathy and Ullrich scleroatonic muscular dystrophy. Three transcript variants have been identified for this gene. [provided by RefSeq, Jul 2008]
COL6A2 Gene-Disease associations (from GenCC):
  • collagen 6-related myopathy
    Inheritance: AD, AR Classification: DEFINITIVE Submitted by: ClinGen
  • Ullrich congenital muscular dystrophy 1B
    Inheritance: AR, AD Classification: DEFINITIVE Submitted by: G2P
  • Bethlem myopathy 1A
    Inheritance: AD, AR Classification: STRONG Submitted by: Genomics England PanelApp
  • Ullrich congenital muscular dystrophy 1A
    Inheritance: AD, AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp
  • Bethlem myopathy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Ullrich congenital muscular dystrophy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • myosclerosis
    Inheritance: AR 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 -6 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.55).
BP6
Variant 21-46117915-G-A is Benign according to our data. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272. Variant chr21-46117915-G-A is described in CliVar as Conflicting_classifications_of_pathogenicity. Clinvar id is 286272.
BP7
Synonymous conserved (PhyloP=0.691 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
COL6A2NM_001849.4 linkc.1095G>A p.Glu365Glu synonymous_variant Exon 12 of 28 ENST00000300527.9 NP_001840.3 P12110-1A0A384MDP3
COL6A2NM_058174.3 linkc.1095G>A p.Glu365Glu synonymous_variant Exon 12 of 28 NP_478054.2 P12110-2
COL6A2NM_058175.3 linkc.1095G>A p.Glu365Glu synonymous_variant Exon 12 of 28 NP_478055.2 P12110-3

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
COL6A2ENST00000300527.9 linkc.1095G>A p.Glu365Glu synonymous_variant Exon 12 of 28 1 NM_001849.4 ENSP00000300527.4 P12110-1
COL6A2ENST00000397763.6 linkc.1095G>A p.Glu365Glu synonymous_variant Exon 12 of 28 5 ENSP00000380870.1 P12110-2
COL6A2ENST00000409416.6 linkc.1095G>A p.Glu365Glu synonymous_variant Exon 11 of 27 5 ENSP00000387115.1 P12110-3

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152166
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:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000363
AC:
9
AN:
248166
AF XY:
0.0000371
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000116
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000357
Gnomad OTH exome
AF:
0.000166
GnomAD4 exome
AF:
0.0000424
AC:
62
AN:
1460700
Hom.:
0
Cov.:
32
AF XY:
0.0000454
AC XY:
33
AN XY:
726632
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33476
American (AMR)
AF:
0.000112
AC:
5
AN:
44690
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26112
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39690
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86128
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52662
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000486
AC:
54
AN:
1111830
Other (OTH)
AF:
0.0000497
AC:
3
AN:
60344
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.469
Heterozygous variant carriers
0
4
8
12
16
20
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<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:
0.0000263
AC:
4
AN:
152166
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74330
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41440
American (AMR)
AF:
0.00
AC:
0
AN:
15286
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5164
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4836
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000588
AC:
4
AN:
68028
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.500
Heterozygous variant carriers
0
0
1
1
2
2
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:
0.0000282
Hom.:
0
Bravo
AF:
0.0000151
EpiCase
AF:
0.0000545
EpiControl
AF:
0.0000593

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1
Feb 16, 2016
Eurofins Ntd Llc (ga)
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Bethlem myopathy 1A Benign:1
Jan 23, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.55
CADD
Benign
7.3
DANN
Benign
0.33
PhyloP100
0.69

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: rs374673302; hg19: chr21-47537829; API