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6-24559010-T-C

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BP4_ModerateBP6_Moderate

The NM_014809.4(KIAA0319):c.2734+3A>G variant causes a splice donor region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000375 in 1,608,892 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00033 ( 1 hom., cov: 33)
Exomes 𝑓: 0.00038 ( 2 hom. )

Consequence

KIAA0319
NM_014809.4 splice_donor_region, intron

Scores

2
Splicing: ADA: 0.03965
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.66
Variant links:
Genes affected
KIAA0319 (HGNC:21580): (KIAA0319) This gene encodes a transmembrane protein that contains a large extracellular domain with multiple polycystic kidney disease (PKD) domains. The encoded protein may play a role in the development of the cerebral cortex by regulating neuronal migration and cell adhesion. Single nucleotide polymorphisms in this gene are associated with dyslexia. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Nov 2011]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.43).
BP6
Variant 6-24559010-T-C is Benign according to our data. Variant chr6-24559010-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 3036021.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KIAA0319NM_014809.4 linkuse as main transcriptc.2734+3A>G splice_donor_region_variant, intron_variant ENST00000378214.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KIAA0319ENST00000378214.8 linkuse as main transcriptc.2734+3A>G splice_donor_region_variant, intron_variant 1 NM_014809.4 P2Q5VV43-1

Frequencies

GnomAD3 genomes
AF:
0.000328
AC:
50
AN:
152258
Hom.:
1
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000482
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000384
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000617
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000411
AC:
100
AN:
243294
Hom.:
0
AF XY:
0.000511
AC XY:
67
AN XY:
131150
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000328
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000167
Gnomad SAS exome
AF:
0.000957
Gnomad FIN exome
AF:
0.000189
Gnomad NFE exome
AF:
0.000473
Gnomad OTH exome
AF:
0.000335
GnomAD4 exome
AF:
0.000380
AC:
554
AN:
1456516
Hom.:
2
Cov.:
30
AF XY:
0.000417
AC XY:
302
AN XY:
723964
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.000319
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000823
Gnomad4 FIN exome
AF:
0.000150
Gnomad4 NFE exome
AF:
0.000388
Gnomad4 OTH exome
AF:
0.000233
GnomAD4 genome
AF:
0.000328
AC:
50
AN:
152376
Hom.:
1
Cov.:
33
AF XY:
0.000228
AC XY:
17
AN XY:
74510
show subpopulations
Gnomad4 AFR
AF:
0.0000481
Gnomad4 AMR
AF:
0.0000653
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000385
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000617
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000360
Hom.:
0
Bravo
AF:
0.000351
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

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

Submissions by phenotype

KIAA0319-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesDec 30, 2019This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.43
Cadd
Benign
15
Dann
Benign
0.91

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.040
dbscSNV1_RF
Benign
0.22
SpliceAI score (max)
0.16
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: rs150584710; hg19: chr6-24559238; API