2-189035029-C-T

Position:

chr2-189035029-C-T

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 1P and 20B. PP2BP4_StrongBP6_Very_StrongBS1BS2

The NM_000393.5(COL5A2):c.4240G>A(p.Asp1414Asn) variant causes a missense change. The variant allele was found at a frequency of 0.00127 in 1,613,852 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D1414G) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0011 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0013 ( 6 hom. )

Consequence

COL5A2
NM_000393.5 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:11

Conservation

PhyloP100: 5.00

Variant links:

Genes affected

COL5A2 (HGNC:2210): (collagen type V alpha 2 chain) This gene encodes an alpha chain for one of the low abundance fibrillar collagens. Fibrillar collagen molecules are trimers that can be composed of one or more types of alpha chains. Type V collagen is found in tissues containing type I collagen and appears to regulate the assembly of heterotypic fibers composed of both type I and type V collagen. This gene product is closely related to type XI collagen and it is possible that the collagen chains of types V and XI constitute a single collagen type with tissue-specific chain combinations. Mutations in this gene are associated with Ehlers-Danlos syndrome, types I and II. [provided by RefSeq, Jul 2008]

COL5A2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

PP2

Missense variant in gene, where missense usually causes diseases (based on misZ statistic), COL5A2. . Gene score misZ 2.4395 (greater than the threshold 3.09). Trascript score misZ 3.3523 (greater than threshold 3.09). GenCC has associacion of gene with Ehlers-Danlos syndrome, classic type, 2, Ehlers-Danlos syndrome, classic type.

BP4

Computational evidence support a benign effect (MetaRNN=0.008553684).

BP6

Variant 2-189035029-C-T is Benign according to our data. Variant chr2-189035029-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 213127.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-189035029-C-T is described in Lovd as [Benign].

BS1

Variant frequency is greater than expected in population amr. gnomad4 allele frequency = 0.00111 (169/152174) while in subpopulation AMR AF= 0.00242 (37/15276). AF 95% confidence interval is 0.00181. There are 0 homozygotes in gnomad4. There are 83 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High AC in GnomAd4 at 169 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
COL5A2	NM_000393.5 linkuse as main transcript	c.4240G>A	p.Asp1414Asn	missense_variant	53/54	ENST00000374866.9
COL5A2	XM_011510573.4 linkuse as main transcript	c.4102G>A	p.Asp1368Asn	missense_variant	56/57
COL5A2	XM_047443251.1 linkuse as main transcript	c.4102G>A	p.Asp1368Asn	missense_variant	58/59
COL5A2	XM_047443252.1 linkuse as main transcript	c.4102G>A	p.Asp1368Asn	missense_variant	57/58

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
COL5A2	ENST00000374866.9 linkuse as main transcript	c.4240G>A	p.Asp1414Asn	missense_variant	53/54	1	NM_000393.5	P1
COL5A2	ENST00000618828.1 linkuse as main transcript	c.3079G>A	p.Asp1027Asn	missense_variant	46/47	5

Frequencies

GnomAD3 genomes

AF:

0.00111

AC:

169

AN:

152056

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000966

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00243

Gnomad ASJ

AF:

0.0144

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00109

Gnomad OTH

AF:

0.00191

GnomAD3 exomes

AF:

0.00142

AC:

357

AN:

251200

Hom.:

AF XY:

0.00121

AC XY:

164

AN XY:

135746

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.00179

Gnomad ASJ exome

AF:

0.0153

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000924

Gnomad NFE exome

AF:

0.00106

Gnomad OTH exome

AF:

0.00294

GnomAD4 exome

AF:

0.00129

AC:

1885

AN:

1461678

Hom.:

Cov.:

AF XY:

0.00126

AC XY:

919

AN XY:

727146

show subpopulations

Gnomad4 AFR exome

AF:

0.000149

Gnomad4 AMR exome

AF:

0.00177

Gnomad4 ASJ exome

AF:

0.0163

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.0000936

Gnomad4 NFE exome

AF:

0.00113

Gnomad4 OTH exome

AF:

0.00199

GnomAD4 genome

AF:

0.00111

AC:

169

AN:

152174

Hom.:

Cov.:

AF XY:

0.00112

AC XY:

AN XY:

74372

show subpopulations

Gnomad4 AFR

AF:

0.0000963

Gnomad4 AMR

AF:

0.00242

Gnomad4 ASJ

AF:

0.0144

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00109

Gnomad4 OTH

AF:

0.00189

Alfa

AF:

0.00184

Hom.:

Bravo

AF:

0.00132

TwinsUK

AF:

0.000809

AC:

ALSPAC

AF:

0.00104

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.00128

AC:

ExAC

AF:

0.000988

AC:

120

EpiCase

AF:

0.00109

EpiControl

AF:

0.000771

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:11

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:3

Benign, criteria provided, single submitter	clinical testing	GeneDx	Jan 17, 2018	This variant is associated with the following publications: (PMID: 11940702, 28152038, 26608033, 28550590) -
Likely benign, no assertion criteria provided	clinical testing	Genome Diagnostics Laboratory, Amsterdam University Medical Center	-	- -
Benign, criteria provided, single submitter	clinical testing	CeGaT Center for Human Genetics Tuebingen	Dec 01, 2022	COL5A2: BP4, BS1, BS2 -

not specified

Benign:2

Benign, no assertion criteria provided	clinical testing	Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center	-	- -
Likely benign, criteria provided, single submitter	clinical testing	Women's Health and Genetics/Laboratory Corporation of America, LabCorp	Nov 13, 2023	- -

COL5A2-related disorder

Benign:1

Benign, criteria provided, single submitter

clinical testing

PreventionGenetics, part of Exact Sciences

Jun 23, 2020

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

Familial thoracic aortic aneurysm and aortic dissection

Benign:1

Benign, criteria provided, single submitter

clinical testing

Ambry Genetics

Dec 27, 2017

This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Ehlers-Danlos syndrome, classic type, 2

Benign:1

Benign, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Mar 07, 2018

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to rule this variant out of causing disease. Therefore, this variant is classified as benign. -

Ehlers-Danlos syndrome

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Genome Diagnostics Laboratory, The Hospital for Sick Children

Dec 01, 2019

- -

Ehlers-Danlos syndrome, classic type, 1

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Invitae

Feb 01, 2024

- -

Connective tissue disorder

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Center for Human Genetics, Inc, Center for Human Genetics, Inc

Nov 01, 2016

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.080

BayesDel_addAF

Benign

-0.43

BayesDel_noAF

Benign

-0.41

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.20

T;T;T

Eigen

Uncertain

0.42

Eigen_PC

Uncertain

0.50

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.91

.;D;D

M_CAP

Benign

0.040

MetaRNN

Benign

0.0086

T;T;T

MetaSVM

Benign

-0.63

MutationAssessor

Benign

1.7

L;.;L

MutationTaster

Benign

1.0

PrimateAI

Uncertain

0.49

PROVEAN

Benign

-1.3

N;.;.

REVEL

Benign

0.20

Sift

Benign

0.032

D;.;.

Sift4G

Benign

0.27

T;T;.

Polyphen

0.90

P;.;P

Vest4

0.34

MVP

0.76

MPC

0.25

ClinPred

0.022

GERP RS

5.7

Varity_R

0.14

gMVP

0.39

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