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rs79138021

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 1P and 8B. PP2BP4_ModerateBP6_ModerateBS2

The NM_000093.5(COL5A1):c.149A>C(p.Asn50Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000992 in 1,613,666 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N50S) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000096 ( 0 hom. )

Consequence

COL5A1
NM_000093.5 missense

Scores

1
18

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.42
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

PP2
Missense variant where missense usually causes diseases, COL5A1
BP4
Computational evidence support a benign effect (MetaRNN=0.07175714).
BP6
Variant 9-134690951-A-C is Benign according to our data. Variant chr9-134690951-A-C is described in ClinVar as [Benign]. Clinvar id is 2054180.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAdExome at 7 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
COL5A1NM_000093.5 linkuse as main transcriptc.149A>C p.Asn50Thr missense_variant 2/66 ENST00000371817.8
COL5A1NM_001278074.1 linkuse as main transcriptc.149A>C p.Asn50Thr missense_variant 2/66
COL5A1XM_017014266.3 linkuse as main transcriptc.149A>C p.Asn50Thr missense_variant 2/65

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
COL5A1ENST00000371817.8 linkuse as main transcriptc.149A>C p.Asn50Thr missense_variant 2/661 NM_000093.5 P4P20908-1
COL5A1ENST00000371820.4 linkuse as main transcriptc.149A>C p.Asn50Thr missense_variant 2/662 A2P20908-2
COL5A1ENST00000464187.1 linkuse as main transcriptn.335A>C non_coding_transcript_exon_variant 2/62

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152192
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:
0.000386
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:
0.0000279
AC:
7
AN:
250920
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135788
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000381
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000958
AC:
14
AN:
1461474
Hom.:
0
Cov.:
32
AF XY:
0.00000825
AC XY:
6
AN XY:
727018
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000277
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152192
Hom.:
0
Cov.:
33
AF XY:
0.0000135
AC XY:
1
AN XY:
74348
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000386
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000227
ExAC
AF:
0.0000247
AC:
3
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Ehlers-Danlos syndrome, classic type, 1 Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeMay 01, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.082
BayesDel_addAF
Benign
-0.55
T
BayesDel_noAF
Benign
-0.72
Cadd
Benign
17
Dann
Benign
0.91
DEOGEN2
Benign
0.14
T;.
Eigen
Benign
-0.59
Eigen_PC
Benign
-0.50
FATHMM_MKL
Uncertain
0.84
D
LIST_S2
Benign
0.75
T;T
M_CAP
Benign
0.0039
T
MetaRNN
Benign
0.072
T;T
MetaSVM
Benign
-0.90
T
MutationAssessor
Benign
1.1
L;L
MutationTaster
Benign
0.85
D
PrimateAI
Benign
0.45
T
PROVEAN
Benign
-0.84
N;.
REVEL
Benign
0.046
Sift
Benign
0.31
T;.
Sift4G
Benign
0.33
T;T
Polyphen
0.0
B;.
Vest4
0.38
MutPred
0.38
Loss of catalytic residue at N50 (P = 0.0295);Loss of catalytic residue at N50 (P = 0.0295);
MVP
0.33
MPC
0.19
ClinPred
0.028
T
GERP RS
2.3
Varity_R
0.051
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: rs79138021; hg19: chr9-137582797; API