rs41306397

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_000093.5(COL5A1):​c.278C>A​(p.Ala93Glu) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,230 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/24 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. 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. A93G) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Consequence

COL5A1
NM_000093.5 missense, splice_region

Scores

1
18
Splicing: ADA: 0.0006737
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.31

Publications

13 publications found
Variant links:
Genes affected
COL5A1 (HGNC:2209): (collagen type V alpha 1 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. The encoded procollagen protein occurs commonly as the heterotrimer pro-alpha1(V)-pro-alpha1(V)-pro-alpha2(V). Mutations in this gene are associated with Ehlers-Danlos syndrome, types I and II. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, May 2013]
COL5A1 Gene-Disease associations (from GenCC):
  • Ehlers-Danlos syndrome
    Inheritance: AD Classification: DEFINITIVE Submitted by: G2P
  • Ehlers-Danlos syndrome, classic type
    Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: ClinGen, Orphanet, Ambry Genetics, PanelApp Australia, Genomics England PanelApp
  • Ehlers-Danlos syndrome, classic type, 1
    Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
  • arterial disorder
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.09949535).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
COL5A1NM_000093.5 linkc.278C>A p.Ala93Glu missense_variant, splice_region_variant Exon 3 of 66 ENST00000371817.8 NP_000084.3 P20908-1A0A024R8E5B2ZZ86Q59EE7
COL5A1NM_001278074.1 linkc.278C>A p.Ala93Glu missense_variant, splice_region_variant Exon 3 of 66 NP_001265003.1 B2ZZ86Q59EE7
COL5A1XM_017014266.3 linkc.278C>A p.Ala93Glu missense_variant, splice_region_variant Exon 3 of 65 XP_016869755.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
COL5A1ENST00000371817.8 linkc.278C>A p.Ala93Glu missense_variant, splice_region_variant Exon 3 of 66 1 NM_000093.5 ENSP00000360882.3 P20908-1
COL5A1ENST00000371820.4 linkc.278C>A p.Ala93Glu missense_variant, splice_region_variant Exon 3 of 66 2 ENSP00000360885.4 P20908-2H7BY82
COL5A1ENST00000464187.1 linkn.700C>A splice_region_variant, non_coding_transcript_exon_variant Exon 4 of 6 2

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152230
Hom.:
0
Cov.:
33
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:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
Cov.:
32
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152230
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74380
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41460
American (AMR)
AF:
0.00
AC:
0
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5198
South Asian (SAS)
AF:
0.000207
AC:
1
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68038
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.575
Heterozygous variant carriers
0
0
1
1
2
2
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:
0.00
Hom.:
0

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.68
CADD
Benign
16
DANN
Benign
0.95
DEOGEN2
Benign
0.089
T;.
Eigen
Benign
-0.55
Eigen_PC
Benign
-0.41
FATHMM_MKL
Benign
0.69
D
LIST_S2
Benign
0.76
T;T
M_CAP
Benign
0.014
T
MetaRNN
Benign
0.099
T;T
MetaSVM
Benign
-0.91
T
MutationAssessor
Benign
0.55
N;N
PhyloP100
1.3
PrimateAI
Uncertain
0.50
T
PROVEAN
Benign
0.44
N;.
REVEL
Benign
0.060
Sift
Benign
0.083
T;.
Sift4G
Benign
0.22
T;T
Polyphen
0.011
B;.
Vest4
0.18
MutPred
0.49
Gain of solvent accessibility (P = 0.0145);Gain of solvent accessibility (P = 0.0145);
MVP
0.10
MPC
0.20
ClinPred
0.20
T
GERP RS
3.9
Varity_R
0.037
gMVP
0.27
Mutation Taster
=86/14
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00067
dbscSNV1_RF
Benign
0.012
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: rs41306397; hg19: chr9-137591755; API