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GeneBe

rs149203102

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 1P and 4B. PP2BS2

The NM_000393.5(COL5A2):​c.1658C>T​(p.Pro553Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000124 in 1,613,724 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P553R) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000012 ( 0 hom. )

Consequence

COL5A2
NM_000393.5 missense

Scores

8
7
3

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 9.60
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PP2
Missense variant where missense usually causes diseases, COL5A2
BS2
High AC in GnomAdExome4 at 17 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
COL5A2NM_000393.5 linkuse as main transcriptc.1658C>T p.Pro553Leu missense_variant 25/54 ENST00000374866.9
COL5A2XM_011510573.4 linkuse as main transcriptc.1520C>T p.Pro507Leu missense_variant 28/57
COL5A2XM_047443251.1 linkuse as main transcriptc.1520C>T p.Pro507Leu missense_variant 30/59
COL5A2XM_047443252.1 linkuse as main transcriptc.1520C>T p.Pro507Leu missense_variant 29/58

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
COL5A2ENST00000374866.9 linkuse as main transcriptc.1658C>T p.Pro553Leu missense_variant 25/541 NM_000393.5 P1
COL5A2ENST00000618828.1 linkuse as main transcriptc.497C>T p.Pro166Leu missense_variant 18/475

Frequencies

GnomAD3 genomes
AF:
0.0000198
AC:
3
AN:
151818
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000727
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000358
AC:
9
AN:
251248
Hom.:
0
AF XY:
0.0000294
AC XY:
4
AN XY:
135826
show subpopulations
Gnomad AFR exome
AF:
0.000370
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000980
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000116
AC:
17
AN:
1461788
Hom.:
0
Cov.:
31
AF XY:
0.0000151
AC XY:
11
AN XY:
727200
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:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000828
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
151936
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74236
show subpopulations
Gnomad4 AFR
AF:
0.0000725
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:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756
ESP6500AA
AF:
0.000454
AC:
2
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000494
AC:
6

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.074
BayesDel_addAF
Uncertain
0.085
D
BayesDel_noAF
Pathogenic
0.18
CADD
Pathogenic
27
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.80
D;T;D
Eigen
Pathogenic
0.80
Eigen_PC
Pathogenic
0.82
FATHMM_MKL
Pathogenic
0.99
D
M_CAP
Pathogenic
0.29
D
MetaRNN
Uncertain
0.59
D;D;D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Benign
1.7
L;.;L
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.70
T
PROVEAN
Uncertain
-3.8
D;.;.
REVEL
Pathogenic
0.66
Sift
Uncertain
0.022
D;.;.
Sift4G
Uncertain
0.024
D;D;.
Polyphen
0.99
D;.;D
Vest4
0.76
MVP
0.81
MPC
0.75
ClinPred
0.59
D
GERP RS
5.6
Varity_R
0.14
gMVP
0.50

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.

Other links and lift over

dbSNP: rs149203102; hg19: chr2-189929341; API