rs7327728

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The ENST00000375820.10(COL4A1):​c.958-140T>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0402 in 854,052 control chromosomes in the GnomAD database, including 3,627 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.11 ( 2415 hom., cov: 34)
Exomes 𝑓: 0.026 ( 1212 hom. )

Consequence

COL4A1
ENST00000375820.10 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.391
Variant links:
Genes affected
COL4A1 (HGNC:2202): (collagen type IV alpha 1 chain) This gene encodes a type IV collagen alpha protein. Type IV collagen proteins are integral components of basement membranes. This gene shares a bidirectional promoter with a paralogous gene on the opposite strand. The protein consists of an amino-terminal 7S domain, a triple-helix forming collagenous domain, and a carboxy-terminal non-collagenous domain. It functions as part of a heterotrimer and interacts with other extracellular matrix components such as perlecans, proteoglycans, and laminins. In addition, proteolytic cleavage of the non-collagenous carboxy-terminal domain results in a biologically active fragment known as arresten, which has anti-angiogenic and tumor suppressor properties. Mutations in this gene cause porencephaly, cerebrovascular disease, and renal and muscular defects. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2014]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.83).
BP6
Variant 13-110203747-A-T is Benign according to our data. Variant chr13-110203747-A-T is described in ClinVar as [Benign]. Clinvar id is 1295700.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.334 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
COL4A1NM_001845.6 linkuse as main transcriptc.958-140T>A intron_variant ENST00000375820.10 NP_001836.3
COL4A1NM_001303110.2 linkuse as main transcriptc.958-140T>A intron_variant NP_001290039.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
COL4A1ENST00000375820.10 linkuse as main transcriptc.958-140T>A intron_variant 1 NM_001845.6 ENSP00000364979 P1P02462-1
COL4A1ENST00000543140.6 linkuse as main transcriptc.958-140T>A intron_variant 1 ENSP00000443348 P02462-2
COL4A1ENST00000647797.1 linkuse as main transcriptc.837-140T>A intron_variant ENSP00000497756
COL4A1ENST00000649738.1 linkuse as main transcriptn.1088-140T>A intron_variant, non_coding_transcript_variant

Frequencies

GnomAD3 genomes
AF:
0.108
AC:
16394
AN:
152138
Hom.:
2394
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.338
Gnomad AMI
AF:
0.00329
Gnomad AMR
AF:
0.0502
Gnomad ASJ
AF:
0.00864
Gnomad EAS
AF:
0.0630
Gnomad SAS
AF:
0.0112
Gnomad FIN
AF:
0.00113
Gnomad MID
AF:
0.0414
Gnomad NFE
AF:
0.0151
Gnomad OTH
AF:
0.0856
GnomAD4 exome
AF:
0.0255
AC:
17899
AN:
701794
Hom.:
1212
AF XY:
0.0234
AC XY:
8637
AN XY:
369478
show subpopulations
Gnomad4 AFR exome
AF:
0.335
Gnomad4 AMR exome
AF:
0.0326
Gnomad4 ASJ exome
AF:
0.0114
Gnomad4 EAS exome
AF:
0.0479
Gnomad4 SAS exome
AF:
0.00843
Gnomad4 FIN exome
AF:
0.00252
Gnomad4 NFE exome
AF:
0.0144
Gnomad4 OTH exome
AF:
0.0445
GnomAD4 genome
AF:
0.108
AC:
16461
AN:
152258
Hom.:
2415
Cov.:
34
AF XY:
0.103
AC XY:
7651
AN XY:
74452
show subpopulations
Gnomad4 AFR
AF:
0.338
Gnomad4 AMR
AF:
0.0500
Gnomad4 ASJ
AF:
0.00864
Gnomad4 EAS
AF:
0.0636
Gnomad4 SAS
AF:
0.0106
Gnomad4 FIN
AF:
0.00113
Gnomad4 NFE
AF:
0.0150
Gnomad4 OTH
AF:
0.0922
Alfa
AF:
0.0686
Hom.:
178
Bravo
AF:
0.122
Asia WGS
AF:
0.0920
AC:
319
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingGeneDxJul 09, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.83
CADD
Benign
0.34
DANN
Benign
0.51

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: rs7327728; hg19: chr13-110856094; API