2-189034974-T-A

Position:

chr2-189034974-T-A

Variant summary

Our verdict is Benign. Variant got -15 ACMG points: 1P and 16B. PP2BP4_StrongBP6_Very_StrongBS2

The NM_000393.5(COL5A2):c.4295A>T(p.Asp1432Val) variant causes a missense change. The variant allele was found at a frequency of 0.000657 in 1,613,842 control chromosomes in the GnomAD database, including 4 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. D1432G) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00066 ( 4 hom. )

Consequence

COL5A2
NM_000393.5 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:9

Conservation

PhyloP100: 6.28

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 -15 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=0.01206252).

BP6

Variant 2-189034974-T-A is Benign according to our data. Variant chr2-189034974-T-A is described in ClinVar as [Likely_benign]. Clinvar id is 213128.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS2

High AC in GnomAd4 at 101 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
COL5A2	NM_000393.5 linkuse as main transcript	c.4295A>T	p.Asp1432Val	missense_variant	53/54	ENST00000374866.9
COL5A2	XM_011510573.4 linkuse as main transcript	c.4157A>T	p.Asp1386Val	missense_variant	56/57
COL5A2	XM_047443251.1 linkuse as main transcript	c.4157A>T	p.Asp1386Val	missense_variant	58/59
COL5A2	XM_047443252.1 linkuse as main transcript	c.4157A>T	p.Asp1386Val	missense_variant	57/58

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
COL5A2	ENST00000374866.9 linkuse as main transcript	c.4295A>T	p.Asp1432Val	missense_variant	53/54	1	NM_000393.5	P1
COL5A2	ENST00000618828.1 linkuse as main transcript	c.3134A>T	p.Asp1045Val	missense_variant	46/47	5

Frequencies

GnomAD3 genomes

AF:

0.000664

AC:

101

AN:

152198

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000965

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00183

Gnomad ASJ

AF:

0.00950

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000500

Gnomad OTH

AF:

0.000957

GnomAD3 exomes

AF:

0.000749

AC:

188

AN:

251120

Hom.:

AF XY:

0.000656

AC XY:

AN XY:

135710

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.00113

Gnomad ASJ exome

AF:

0.00824

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000467

Gnomad OTH exome

AF:

0.00196

GnomAD4 exome

AF:

0.000656

AC:

959

AN:

1461644

Hom.:

Cov.:

AF XY:

0.000627

AC XY:

456

AN XY:

727118

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.00110

Gnomad4 ASJ exome

AF:

0.00980

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.0000374

Gnomad4 NFE exome

AF:

0.000528

Gnomad4 OTH exome

AF:

0.00106

GnomAD4 genome

AF:

0.000664

AC:

101

AN:

152198

Hom.:

Cov.:

AF XY:

0.000673

AC XY:

AN XY:

74332

show subpopulations

Gnomad4 AFR

AF:

0.0000965

Gnomad4 AMR

AF:

0.00183

Gnomad4 ASJ

AF:

0.00950

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000500

Gnomad4 OTH

AF:

0.000957

Alfa

AF:

0.00102

Hom.:

Bravo

AF:

0.000778

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000778

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000581

AC:

ExAC

AF:

0.000494

AC:

EpiCase

AF:

0.000491

EpiControl

AF:

0.000356

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:9

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:2

Likely benign, criteria provided, single submitter	clinical testing	Women's Health and Genetics/Laboratory Corporation of America, LabCorp	Nov 13, 2023	- -
Likely benign, criteria provided, single submitter	clinical testing	GeneDx	Feb 02, 2018	This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

COL5A2-related disorder

Benign:1

Benign, no assertion criteria provided

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

Likely benign, criteria provided, single submitter

clinical testing

Ambry Genetics

Mar 29, 2017

This alteration is classified as likely 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

Likely 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). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely 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

- -

not provided

Benign:1

Benign, criteria provided, single submitter

clinical testing

CeGaT Center for Human Genetics Tuebingen

Dec 01, 2022

COL5A2: BP4, BS1, BS2 -

Ehlers-Danlos syndrome, classic type

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Mendelics

May 28, 2019

- -

Ehlers-Danlos syndrome, classic type, 1

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 26, 2024

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.21

BayesDel_addAF

Benign

-0.079

BayesDel_noAF

Uncertain

0.070

CADD

Uncertain

DANN

Uncertain

0.98

DEOGEN2

Uncertain

0.73

D;T;D

Eigen

Benign

-0.068

Eigen_PC

Benign

0.12

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Pathogenic

0.98

.;D;D

M_CAP

Benign

0.041

MetaRNN

Benign

0.012

T;T;T

MetaSVM

Benign

-0.73

MutationAssessor

Benign

1.1

L;.;L

MutationTaster

Benign

1.0

PrimateAI

Benign

0.36

PROVEAN

Uncertain

-4.3

D;.;.

REVEL

Uncertain

0.58

Sift

Pathogenic

0.0

D;.;.

Sift4G

Pathogenic

0.0

D;D;.

Polyphen

0.049

B;.;B

Vest4

0.45

MVP

0.92

MPC

0.37

ClinPred

0.079

GERP RS

4.6

Varity_R

0.55

gMVP

0.60

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