Variant chr21-46111992-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_ModerateBP6_ModerateBP7

The ENST00000300527.9(COL6A2):c.129C>T(p.Cys43=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,459,862 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 (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

COL6A2
ENST00000300527.9 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.85

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 links:

LOC124905043 (HGNC:):

LOC124905043 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.41).

BP6

Variant 21-46111992-C-T is Benign according to our data. Variant chr21-46111992-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 476450.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=1.85 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein
COL6A2	NM_001849.4 linkuse as main transcript	c.129C>T	p.Cys43=	synonymous_variant	3/28	ENST00000300527.9	NP_001840.3
COL6A2	NM_058174.3 linkuse as main transcript	c.129C>T	p.Cys43=	synonymous_variant	3/28	ENST00000397763.6	NP_478054.2
LOC124905043	XR_007067910.1 linkuse as main transcript	n.40G>A		non_coding_transcript_exon_variant	1/2
COL6A2	NM_058175.3 linkuse as main transcript	c.129C>T	p.Cys43=	synonymous_variant	3/28		NP_478055.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
COL6A2	ENST00000300527.9 linkuse as main transcript	c.129C>T	p.Cys43=	synonymous_variant	3/28	1	NM_001849.4	ENSP00000300527	P1	P12110-1
COL6A2	ENST00000397763.6 linkuse as main transcript	c.129C>T	p.Cys43=	synonymous_variant	3/28	5	NM_058174.3	ENSP00000380870		P12110-2
COL6A2	ENST00000409416.6 linkuse as main transcript	c.129C>T	p.Cys43=	synonymous_variant	2/27	5		ENSP00000387115		P12110-3
COL6A2	ENST00000436769.5 linkuse as main transcript	c.129C>T	p.Cys43=	synonymous_variant	3/3	2		ENSP00000390418

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1459862

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726236

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000180

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Bravo

AF:

0.00000378

EpiCase

AF:

0.0000545

EpiControl

AF:

0.0000593

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 submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

May 03, 2017

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.41

CADD

Benign

9.2

DANN

Benign

0.66

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.

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