Variant rs104886445 details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 5 ACMG points: 5P and 0B. PVS1_ModeratePM2PP5

The NM_033380.3(COL4A5):c.781-1_786del variant causes a splice acceptor, coding sequence change. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in Lovd as Pathogenic (no stars).

Frequency

Genomes: not found (cov: 22)

Consequence

COL4A5
NM_033380.3 splice_acceptor, coding_sequence

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.06

Variant links:

Genes affected

COL4A5 (HGNC:2207): (collagen type IV alpha 5 chain) This gene encodes one of the six subunits of type IV collagen, the major structural component of basement membranes. Mutations in this gene are associated with X-linked Alport syndrome, also known as hereditary nephritis. Like the other members of the type IV collagen gene family, this gene is organized in a head-to-head conformation with another type IV collagen gene so that each gene pair shares a common promoter. Alternatively spliced transcript variants have been identified for this gene. [provided by RefSeq, Aug 2010]

COL4A5 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 5 ACMG points.

PVS1

Splicing +-2 bp (donor or acceptor) variant, product NOT destroyed by NMD, known LOF gene, truncates exone, which is 0.010441292 fraction of the gene. Cryptic splice site detected, with MaxEntScore 4.7, offset of 30, new splice context is: agggcctcctggacctccAGgga. Cryptic site results in inframe change. If cryptic site found is not functional and variant results in exon loss, it results in inframe change.

PM2

Very rare variant in population databases, with high coverage;

PP5

Variant X-108580531-AGGGACTT-A is Pathogenic according to our data. Variant chrX-108580531-AGGGACTT-A is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
COL4A5	NM_033380.3 linkuse as main transcript	c.781-1_786del		splice_acceptor_variant, coding_sequence_variant	14/53	ENST00000328300.11	NP_203699.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
COL4A5	ENST00000328300.11 linkuse as main transcript	c.781-1_786del		splice_acceptor_variant, coding_sequence_variant	14/53	1	NM_033380.3	ENSP00000331902		P29400-2
COL4A5	ENST00000361603.7 linkuse as main transcript	c.781-1_786del		splice_acceptor_variant, coding_sequence_variant	14/51	2		ENSP00000354505	P1	P29400-1

Frequencies

GnomAD3 genomes

Cov.:

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

Splicing

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.