rs147328015

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 0P and 1B. BP6

The NM_080680.3(COL11A2):​c.1817C>T​(p.Ser606Leu) variant causes a missense, splice region change. The variant allele was found at a frequency of 0.000031 in 1,612,512 control chromosomes in the GnomAD database, with no homozygous occurrence. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000029 ( 0 hom. )

Consequence

COL11A2
NM_080680.3 missense, splice_region

Scores

2
6
9
Splicing: ADA: 0.8735
2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1

Conservation

PhyloP100: 4.90
Variant links:
Genes affected
COL11A2 (HGNC:2187): (collagen type XI alpha 2 chain) This gene encodes one of the two alpha chains of type XI collagen, a minor fibrillar collagen. It is located on chromosome 6 very close to but separate from the gene for retinoid X receptor beta. Type XI collagen is a heterotrimer but the third alpha chain is a post-translationally modified alpha 1 type II chain. Proteolytic processing of this type XI chain produces PARP, a proline/arginine-rich protein that is an amino terminal domain. Mutations in this gene are associated with type III Stickler syndrome, otospondylomegaepiphyseal dysplasia (OSMED syndrome), Weissenbacher-Zweymuller syndrome, autosomal dominant non-syndromic sensorineural type 13 deafness (DFNA13), and autosomal recessive non-syndromic sensorineural type 53 deafness (DFNB53). Alternative splicing results in multiple transcript variants. A related pseudogene is located nearby on chromosome 6. [provided by RefSeq, Jul 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -1 ACMG points.

BP6
Variant 6-33178309-G-A is Benign according to our data. Variant chr6-33178309-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 547217.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=2}.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
COL11A2NM_080680.3 linkc.1817C>T p.Ser606Leu missense_variant, splice_region_variant Exon 20 of 66 ENST00000341947.7 NP_542411.2 P13942A0A0C4DFS1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
COL11A2ENST00000341947.7 linkc.1817C>T p.Ser606Leu missense_variant, splice_region_variant Exon 20 of 66 5 NM_080680.3 ENSP00000339915.2 A0A0C4DFS1
COL11A2ENST00000374708.8 linkc.1559C>T p.Ser520Leu missense_variant, splice_region_variant Exon 18 of 64 5 ENSP00000363840.4 Q4VXY6
COL11A2ENST00000361917.6 linkc.443C>T p.Ser148Leu missense_variant, splice_region_variant Exon 8 of 24 5 ENSP00000355123.2 H0YIS1

Frequencies

GnomAD3 genomes
AF:
0.0000528
AC:
8
AN:
151614
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.000121
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:
0.0000442
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000365
AC:
9
AN:
246588
Hom.:
0
AF XY:
0.0000223
AC XY:
3
AN XY:
134400
show subpopulations
Gnomad AFR exome
AF:
0.000199
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000547
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000452
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000288
AC:
42
AN:
1460780
Hom.:
0
Cov.:
35
AF XY:
0.0000358
AC XY:
26
AN XY:
726706
show subpopulations
Gnomad4 AFR exome
AF:
0.000269
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:
0.0000261
Gnomad4 OTH exome
AF:
0.0000662
GnomAD4 genome
AF:
0.0000527
AC:
8
AN:
151732
Hom.:
0
Cov.:
31
AF XY:
0.0000405
AC XY:
3
AN XY:
74152
show subpopulations
Gnomad4 AFR
AF:
0.000121
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000442
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000491
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000185
AC:
1
ExAC
AF:
0.0000254
AC:
3
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000593

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:2
Jan 03, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change replaces serine, which is neutral and polar, with leucine, which is neutral and non-polar, at codon 606 of the COL11A2 protein (p.Ser606Leu). This variant is present in population databases (rs147328015, gnomAD 0.02%). This variant has not been reported in the literature in individuals affected with COL11A2-related conditions. ClinVar contains an entry for this variant (Variation ID: 547217). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. 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. -

Jan 03, 2023
GeneDx
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 27535533) -

Connective tissue disorder Benign:1
Nov 01, 2016
Center for Human Genetics, Inc, Center for Human Genetics, Inc
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.11
T
BayesDel_noAF
Benign
-0.11
CADD
Pathogenic
32
DANN
Uncertain
1.0
DEOGEN2
Benign
0.025
T;T;.;T
Eigen
Benign
0.041
Eigen_PC
Benign
0.13
FATHMM_MKL
Pathogenic
0.99
D
M_CAP
Pathogenic
0.39
D
MetaRNN
Uncertain
0.46
T;T;T;T
MetaSVM
Uncertain
0.019
D
PrimateAI
Uncertain
0.68
T
PROVEAN
Uncertain
-2.5
N;D;D;N
REVEL
Uncertain
0.36
Sift
Benign
0.39
T;T;T;D
Sift4G
Benign
0.47
T;T;T;T
Vest4
0.46
MVP
0.79
MPC
0.90
ClinPred
0.13
T
GERP RS
3.9
gMVP
0.29

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.87
dbscSNV1_RF
Benign
0.59
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: rs147328015; hg19: chr6-33146086; API