rs61735827

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_StrongBP6_ModerateBP7

The NM_001849.4(COL6A2):ā€‹c.1251C>Gā€‹(p.Arg417=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000279 in 1,611,828 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 Likely benign (ā˜…).

Frequency

Genomes: š‘“ 0.000085 ( 0 hom., cov: 34)
Exomes š‘“: 0.000022 ( 0 hom. )

Consequence

COL6A2
NM_001849.4 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -4.38
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.91).
BP6
Variant 21-46119101-C-G is Benign according to our data. Variant chr21-46119101-C-G is described in ClinVar as [Likely_benign]. Clinvar id is 1607625.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-4.38 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
COL6A2NM_001849.4 linkuse as main transcriptc.1251C>G p.Arg417= synonymous_variant 14/28 ENST00000300527.9 NP_001840.3
COL6A2NM_058174.3 linkuse as main transcriptc.1251C>G p.Arg417= synonymous_variant 14/28 ENST00000397763.6 NP_478054.2
COL6A2NM_058175.3 linkuse as main transcriptc.1251C>G p.Arg417= synonymous_variant 14/28 NP_478055.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
COL6A2ENST00000300527.9 linkuse as main transcriptc.1251C>G p.Arg417= synonymous_variant 14/281 NM_001849.4 ENSP00000300527 P1P12110-1
COL6A2ENST00000397763.6 linkuse as main transcriptc.1251C>G p.Arg417= synonymous_variant 14/285 NM_058174.3 ENSP00000380870 P12110-2
COL6A2ENST00000409416.6 linkuse as main transcriptc.1251C>G p.Arg417= synonymous_variant 13/275 ENSP00000387115 P12110-3

Frequencies

GnomAD3 genomes
AF:
0.0000855
AC:
13
AN:
152108
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.000193
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000966
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:
0.0000325
AC:
8
AN:
245882
Hom.:
0
AF XY:
0.0000448
AC XY:
6
AN XY:
134052
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000329
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000334
GnomAD4 exome
AF:
0.0000219
AC:
32
AN:
1459720
Hom.:
0
Cov.:
35
AF XY:
0.0000138
AC XY:
10
AN XY:
726194
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000353
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.00e-7
Gnomad4 OTH exome
AF:
0.000282
GnomAD4 genome
AF:
0.0000855
AC:
13
AN:
152108
Hom.:
0
Cov.:
34
AF XY:
0.000135
AC XY:
10
AN XY:
74292
show subpopulations
Gnomad4 AFR
AF:
0.000193
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000966
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000945

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Bethlem myopathy 1A Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpDec 22, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.91
CADD
Benign
0.060
DANN
Benign
0.48

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs61735827; hg19: chr21-47539015; API