chr15-38252985-G-A

Variant names:

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBS1_SupportingBS2

The NM_152594.3(SPRED1):c.-201G>A variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000759 in 605,082 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00061 ( 0 hom., cov: 31)

Exomes 𝑓: 0.00081 ( 0 hom. )

Consequence

SPRED1
NM_152594.3 5_prime_UTR

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.657

Publications

0 publications found

Variant links:

Genes affected

SPRED1 (HGNC:20249): (sprouty related EVH1 domain containing 1) The protein encoded by this gene is a member of the Sprouty family of proteins and is phosphorylated by tyrosine kinase in response to several growth factors. The encoded protein can act as a homodimer or as a heterodimer with SPRED2 to regulate activation of the MAP kinase cascade. Defects in this gene are a cause of neurofibromatosis type 1-like syndrome (NFLS). [provided by RefSeq, Jul 2008]

SPRED1 Gene-Disease associations (from GenCC):

Legius syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics, Genomics England PanelApp, ClinGen, PanelApp Australia, G2P, Labcorp Genetics (formerly Invitae)

SPRED1 links:

ENSG00000310144 (HGNC:):

ENSG00000310144 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.59).

BS1

Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.000611 (93/152152) while in subpopulation NFE AF = 0.00113 (77/67978). AF 95% confidence interval is 0.000929. There are 0 homozygotes in GnomAd4. There are 35 alleles in the male GnomAd4 subpopulation. Median coverage is 31. This position passed quality control check. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

BS2

High AC in GnomAd4 at 93 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
SPRED1	NM_152594.3 link	c.-201G>A	5_prime_UTR_variant	Exon 1 of 7	ENST00000299084.9	NP_689807.1	Q7Z699
SPRED1	XM_005254202.4 link	c.-201G>A	5_prime_UTR_variant	Exon 1 of 8		XP_005254259.1
SPRED1	XM_047432199.1 link	c.-364G>A	5_prime_UTR_variant	Exon 1 of 9		XP_047288155.1
SPRED1	XM_047432200.1 link	c.-328G>A	5_prime_UTR_variant	Exon 1 of 8		XP_047288156.1

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	MANE	Protein	UniProt
SPRED1	ENST00000299084.9 link	c.-201G>A	5_prime_UTR_variant	Exon 1 of 7	1	NM_152594.3	ENSP00000299084.4	Q7Z699
SPRED1	ENST00000561205.1 link	n.138G>A	non_coding_transcript_exon_variant	Exon 1 of 5	5
ENSG00000310144	ENST00000847565.1 link	n.95+582C>T	intron_variant	Intron 1 of 1
SPRED1	ENST00000561317.1 link	c.-328G>A	upstream_gene_variant		4		ENSP00000453680.1	H0YMN8

Frequencies

GnomAD3 genomes

AF:

0.000612

AC:

AN:

152034

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000217

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000622

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00113

Gnomad OTH

AF:

0.000957

GnomAD4 exome

AF:

0.000808

AC:

366

AN:

452930

Hom.:

Cov.:

AF XY:

0.000771

AC XY:

186

AN XY:

241090

show subpopulations

African (AFR)

AF:

0.000163

AC:

AN:

12272

American (AMR)

AF:

0.000422

AC:

AN:

18956

Ashkenazi Jewish (ASJ)

AF:

0.000587

AC:

AN:

13634

East Asian (EAS)

AF:

0.00

AC:

AN:

30996

South Asian (SAS)

AF:

0.000601

AC:

AN:

46582

European-Finnish (FIN)

AF:

0.000239

AC:

AN:

29238

Middle Eastern (MID)

AF:

0.00

AC:

AN:

1970

European-Non Finnish (NFE)

AF:

0.00110

AC:

300

AN:

273306

Other (OTH)

AF:

0.000500

AC:

AN:

25976

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000611

AC:

AN:

152152

Hom.:

Cov.:

AF XY:

0.000471

AC XY:

AN XY:

74368

show subpopulations

African (AFR)

AF:

0.000217

AC:

AN:

41532

American (AMR)

AF:

0.000131

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5132

South Asian (SAS)

AF:

0.000623

AC:

AN:

4816

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10602

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00113

AC:

AN:

67978

Other (OTH)

AF:

0.000947

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.493

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00106

Hom.:

Bravo

AF:

0.000672

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Legius syndrome

Uncertain:1

Jan 12, 2018

Illumina Laboratory Services, Illumina

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.59

CADD

Benign

(source)

DANN

Benign

0.95

PhyloP100

0.66

PromoterAI

-0.019

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.3

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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chr15-38252985-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over