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GeneBe

rs562950263

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 1P and 6B. PP2BP4_ModerateBS2

The NM_000393.5(COL5A2):c.3407G>T(p.Arg1136Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000149 in 1,613,772 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 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. R1136Q) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000039 ( 1 hom., cov: 32)
Exomes 𝑓: 0.000012 ( 0 hom. )

Consequence

COL5A2
NM_000393.5 missense

Scores

1
9
8

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.16
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 -5 ACMG points.

PP2
Missense variant where missense usually causes diseases, COL5A2
BP4
Computational evidence support a benign effect (MetaRNN=0.2232047).
BS2
High AC in GnomAd at 6 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
COL5A2NM_000393.5 linkuse as main transcriptc.3407G>T p.Arg1136Leu missense_variant 48/54 ENST00000374866.9
COL5A2XM_011510573.4 linkuse as main transcriptc.3269G>T p.Arg1090Leu missense_variant 51/57
COL5A2XM_047443251.1 linkuse as main transcriptc.3269G>T p.Arg1090Leu missense_variant 53/59
COL5A2XM_047443252.1 linkuse as main transcriptc.3269G>T p.Arg1090Leu missense_variant 52/58

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
COL5A2ENST00000374866.9 linkuse as main transcriptc.3407G>T p.Arg1136Leu missense_variant 48/541 NM_000393.5 P1
COL5A2ENST00000618828.1 linkuse as main transcriptc.2246G>T p.Arg749Leu missense_variant 41/475

Frequencies

GnomAD3 genomes
AF:
0.0000394
AC:
6
AN:
152138
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.000566
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000478
AC:
12
AN:
251214
Hom.:
0
AF XY:
0.0000516
AC XY:
7
AN XY:
135756
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000555
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000123
AC:
18
AN:
1461634
Hom.:
0
Cov.:
33
AF XY:
0.0000110
AC XY:
8
AN XY:
727118
show subpopulations
Gnomad4 AFR exome
AF:
0.00
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:
0.000337
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000394
AC:
6
AN:
152138
Hom.:
1
Cov.:
32
AF XY:
0.0000807
AC XY:
6
AN XY:
74304
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000566
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
ExAC
AF:
0.0000659
AC:
8

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.23
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
-0.070
Cadd
Uncertain
23
Dann
Uncertain
0.99
DEOGEN2
Pathogenic
0.82
D;T;D
Eigen
Benign
0.14
Eigen_PC
Uncertain
0.25
FATHMM_MKL
Uncertain
0.94
D
M_CAP
Benign
0.052
D
MetaRNN
Benign
0.22
T;T;T
MetaSVM
Uncertain
0.60
D
MutationAssessor
Benign
1.7
L;.;L
MutationTaster
Benign
0.93
D
PrimateAI
Uncertain
0.50
T
PROVEAN
Uncertain
-2.7
D;.;.
REVEL
Uncertain
0.40
Sift
Benign
0.092
T;.;.
Sift4G
Benign
0.25
T;T;.
Polyphen
0.21
B;.;B
Vest4
0.46
MutPred
0.45
Loss of MoRF binding (P = 0.0235);.;Loss of MoRF binding (P = 0.0235);
MVP
0.72
MPC
0.32
ClinPred
0.29
T
GERP RS
5.2
Varity_R
0.13
gMVP
0.34

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: rs562950263; hg19: chr2-189907941; API