rs75668257

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_000093.5(COL5A1):​c.2799+13C>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000789 in 1,613,036 control chromosomes in the GnomAD database, including 8 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0045 ( 7 hom., cov: 30)
Exomes 𝑓: 0.00040 ( 1 hom. )

Consequence

COL5A1
NM_000093.5 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: -1.78

Publications

1 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: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.88).
BP6
Variant 9-134795328-C-A is Benign according to our data. Variant chr9-134795328-C-A is described in ClinVar as Benign. ClinVar VariationId is 136873.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00454 (689/151714) while in subpopulation AFR AF = 0.016 (661/41320). AF 95% confidence interval is 0.015. There are 7 homozygotes in GnomAd4. There are 329 alleles in the male GnomAd4 subpopulation. Median coverage is 30. This position passed quality control check.
BS2
High AC in GnomAd4 at 689 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000093.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
COL5A1
NM_000093.5
MANE Select
c.2799+13C>A
intron
N/ANP_000084.3
COL5A1
NM_001278074.1
c.2799+13C>A
intron
N/ANP_001265003.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
COL5A1
ENST00000371817.8
TSL:1 MANE Select
c.2799+13C>A
intron
N/AENSP00000360882.3
COL5A1
ENST00000371820.4
TSL:2
c.2799+13C>A
intron
N/AENSP00000360885.4

Frequencies

GnomAD3 genomes
AF:
0.00453
AC:
686
AN:
151596
Hom.:
7
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.0160
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00118
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:
0.0000294
Gnomad OTH
AF:
0.00384
GnomAD2 exomes
AF:
0.00108
AC:
272
AN:
250702
AF XY:
0.000855
show subpopulations
Gnomad AFR exome
AF:
0.0149
Gnomad AMR exome
AF:
0.000665
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000265
Gnomad OTH exome
AF:
0.000654
GnomAD4 exome
AF:
0.000399
AC:
583
AN:
1461322
Hom.:
1
Cov.:
34
AF XY:
0.000363
AC XY:
264
AN XY:
726944
show subpopulations
African (AFR)
AF:
0.0146
AC:
490
AN:
33474
American (AMR)
AF:
0.000693
AC:
31
AN:
44714
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26128
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39688
South Asian (SAS)
AF:
0.0000696
AC:
6
AN:
86252
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53072
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000180
AC:
2
AN:
1111844
Other (OTH)
AF:
0.000894
AC:
54
AN:
60382
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
34
68
102
136
170
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00454
AC:
689
AN:
151714
Hom.:
7
Cov.:
30
AF XY:
0.00444
AC XY:
329
AN XY:
74146
show subpopulations
African (AFR)
AF:
0.0160
AC:
661
AN:
41320
American (AMR)
AF:
0.00118
AC:
18
AN:
15262
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5138
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4790
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10514
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000295
AC:
2
AN:
67910
Other (OTH)
AF:
0.00380
AC:
8
AN:
2106
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.482
Heterozygous variant carriers
0
33
67
100
134
167
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
10
20
30
40
50
<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:
0.000189
Hom.:
0
Bravo
AF:
0.00482
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

ClinVar submissions as Germline

Significance:Benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
3
not specified (3)
-
-
2
Ehlers-Danlos syndrome, classic type, 1 (2)
-
-
1
Fibromuscular dysplasia, multifocal (1)
-
-
1
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.88
CADD
Benign
0.049
DANN
Benign
0.48
PhyloP100
-1.8
Mutation Taster
=100/0
polymorphism

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

Other links and lift over

dbSNP: rs75668257; hg19: chr9-137687174; API