rs727504460

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_080680.3(COL11A2):​c.3932A>G​(p.Asn1311Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000899 in 1,613,518 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N1311K) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000087 ( 0 hom. )

Consequence

COL11A2
NM_080680.3 missense

Scores

4
13

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:10B:2

Conservation

PhyloP100: 1.81

Publications

2 publications found
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]
COL11A2 Gene-Disease associations (from GenCC):
  • autosomal dominant nonsyndromic hearing loss 13
    Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE, LIMITED Submitted by: Ambry Genetics, PanelApp Australia, Labcorp Genetics (formerly Invitae), G2P
  • nonsyndromic genetic hearing loss
    Inheritance: AD, AR Classification: DEFINITIVE, MODERATE Submitted by: ClinGen
  • otospondylomegaepiphyseal dysplasia, autosomal dominant
    Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: PanelApp Australia, Ambry Genetics, Orphanet, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), G2P
  • autosomal recessive nonsyndromic hearing loss 53
    Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: G2P, PanelApp Australia, Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • otospondylomegaepiphyseal dysplasia
    Inheritance: AR, AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen
  • otospondylomegaepiphyseal dysplasia, autosomal recessive
    Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: PanelApp Australia, Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
  • autosomal dominant nonsyndromic hearing loss
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • fibrochondrogenesis
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • hearing loss, autosomal recessive
    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 -4 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.025682569).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
COL11A2NM_080680.3 linkc.3932A>G p.Asn1311Ser missense_variant Exon 54 of 66 ENST00000341947.7 NP_542411.2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
COL11A2ENST00000341947.7 linkc.3932A>G p.Asn1311Ser missense_variant Exon 54 of 66 5 NM_080680.3 ENSP00000339915.2
COL11A2ENST00000374708.8 linkc.3674A>G p.Asn1225Ser missense_variant Exon 52 of 64 5 ENSP00000363840.4
COL11A2ENST00000477772.1 linkn.273-2731A>G intron_variant Intron 5 of 8 2

Frequencies

GnomAD3 genomes
AF:
0.000118
AC:
18
AN:
152064
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00432
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000150
AC:
37
AN:
247394
AF XY:
0.000119
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000869
Gnomad ASJ exome
AF:
0.00260
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000464
Gnomad NFE exome
AF:
0.0000450
Gnomad OTH exome
AF:
0.000329
GnomAD4 exome
AF:
0.0000869
AC:
127
AN:
1461454
Hom.:
0
Cov.:
35
AF XY:
0.0000867
AC XY:
63
AN XY:
727042
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.0000894
AC:
4
AN:
44718
Ashkenazi Jewish (ASJ)
AF:
0.00314
AC:
82
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39696
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86252
European-Finnish (FIN)
AF:
0.0000188
AC:
1
AN:
53100
Middle Eastern (MID)
AF:
0.000173
AC:
1
AN:
5766
European-Non Finnish (NFE)
AF:
0.0000279
AC:
31
AN:
1111930
Other (OTH)
AF:
0.000132
AC:
8
AN:
60378
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.471
Heterozygous variant carriers
0
8
16
24
32
40
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.000118
AC:
18
AN:
152064
Hom.:
0
Cov.:
31
AF XY:
0.0000942
AC XY:
7
AN XY:
74284
show subpopulations
African (AFR)
AF:
0.0000242
AC:
1
AN:
41378
American (AMR)
AF:
0.0000655
AC:
1
AN:
15276
Ashkenazi Jewish (ASJ)
AF:
0.00432
AC:
15
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10608
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
67990
Other (OTH)
AF:
0.00
AC:
0
AN:
2088
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.486
Heterozygous variant carriers
0
1
2
4
5
6
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:
0.000203
Hom.:
0
Bravo
AF:
0.0000945
ExAC
AF:
0.0000829
AC:
10
EpiCase
AF:
0.00
EpiControl
AF:
0.000178

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:10Benign:2
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:2Benign:1
Nov 25, 2024
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The COL11A2 c.3932A>G; p.Asn1311Ser variant (rs727504460), to our knowledge, is not reported in the medical literature but is reported in ClinVar (Variation ID: 178812). This variant is found in the Ashkenazi Jewish population with an allele frequency of 0.25% (26/10,272 alleles) in the Genome Aggregation Database (v2.1.1). Computational analyses are uncertain whether this variant is neutral or deleterious (REVEL: 0.269). Due to limited information, the clinical significance of this variant is uncertain at this time. -

Apr 16, 2024
GeneDx
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Reported as a variant of uncertain significance in an individual with bilateral sensorineural hearing loss, developmental delay, and speech delay; however this individual also harbored variants of uncertain significance in the KCNQ4, MYO3A, and TJP2 genes (PMID: 29907799); In silico analysis supports that this missense variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: 29907799) -

Jan 31, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not specified Uncertain:2
Jun 26, 2024
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Variant summary: COL11A2 c.3932A>G (p.Asn1311Ser) results in a conservative amino acid change in the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.00015 in 247394 control chromosomes (gnomAD). This frequency is not significantly higher than estimated for a pathogenic variant in COL11A2 causing COL11A2-Related Disorders, allowing no conclusion about variant significance. c.3932A>G has been reported in the literature in at least an individual affected with hearing loss, developmental and speech delay (example: Sheppard_2018). This report does not provide unequivocal conclusions about association of the variant with COL11A2-Related Disorders. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. The following publication has been ascertained in the context of this evaluation (PMID: 29907799). ClinVar contains an entry for this variant (Variation ID: 178812). Based on the evidence outlined above, the variant was classified as uncertain significance. -

Apr 08, 2013
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The Asn1311Ser variant in COL11A2 has not been reported in affected individuals or in large population studies. Computational analyses (biochemical amino acid p roperties, conservation, AlignGVGD, PolyPhen2, and SIFT) do not provide strong s upport for or against an impact to the protein. In summary, additional data is n eeded to determine the clinical significance of this variant. -

Otospondylomegaepiphyseal dysplasia, autosomal dominant Uncertain:1
Jun 14, 2016
Illumina Laboratory Services, Illumina
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Otospondylomegaepiphyseal dysplasia, autosomal recessive Uncertain:1
Jan 13, 2018
Illumina Laboratory Services, Illumina
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

Otospondylomegaepiphyseal dysplasia, autosomal dominant;C1864746:Autosomal recessive nonsyndromic hearing loss 53;C1866095:Autosomal dominant nonsyndromic hearing loss 13;C3281128:Fibrochondrogenesis 2;C5551484:Otospondylomegaepiphyseal dysplasia, autosomal recessive Uncertain:1
Feb 19, 2021
Department of Pathology and Laboratory Medicine, Sinai Health System
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:research

- -

Autosomal dominant nonsyndromic hearing loss 13 Uncertain:1
Feb 02, 2016
Division of Human Genetics, Children's Hospital of Philadelphia
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:research

- -

Fibrochondrogenesis 2 Uncertain:1
Jan 13, 2018
Illumina Laboratory Services, Illumina
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

Stickler Syndrome, Dominant Uncertain:1
Jun 14, 2016
Illumina Laboratory Services, Illumina
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

COL11A2-related disorder Benign:1
Feb 16, 2024
PreventionGenetics, part of Exact Sciences
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.12
T
BayesDel_noAF
Benign
-0.23
CADD
Benign
21
DANN
Uncertain
0.99
DEOGEN2
Benign
0.0064
T;T;.
Eigen
Benign
-0.31
Eigen_PC
Benign
-0.13
FATHMM_MKL
Uncertain
0.87
D
M_CAP
Benign
0.066
D
MetaRNN
Benign
0.026
T;T;T
MetaSVM
Uncertain
-0.23
T
PhyloP100
1.8
PrimateAI
Uncertain
0.56
T
PROVEAN
Benign
-0.20
N;N;N
REVEL
Benign
0.27
Sift
Benign
0.71
T;T;T
Sift4G
Benign
0.50
T;T;T
Vest4
0.20
MutPred
0.23
.;Gain of phosphorylation at N1311 (P = 0.0019);.;
MVP
0.70
MPC
0.27
ClinPred
0.060
T
GERP RS
4.3
gMVP
0.34
Mutation Taster
=84/16
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: rs727504460; hg19: chr6-33136324; API