Genetic Variant KIRREL3:p.Ser465Ser (chr11-126436968-C-A) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_032531.4(KIRREL3):c.1395G>T(p.Ser465Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000021 in 1,431,976 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. S465S) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 34)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

KIRREL3
NM_032531.4 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -5.71

Publications

0 publications found

Variant links:

Genes affected

KIRREL3 (HGNC:23204): (kirre like nephrin family adhesion molecule 3) The protein encoded by this gene is a member of the nephrin-like protein family. These proteins are expressed in fetal and adult brain, and also in podocytes of kidney glomeruli. The cytoplasmic domains of these proteins interact with the C-terminus of podocin, also expressed in the podocytes, cells involved in ensuring size- and charge-selective ultrafiltration. The protein encoded by this gene is a synaptic cell adhesion molecule with multiple extracellular immunoglobulin-like domains and a cytoplasmic PDZ domain-binding motif. Mutations in this gene are associated with several neurological and cognitive disorders. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2017]

KIRREL3 links:

ST3GAL4 (HGNC:10864): (ST3 beta-galactoside alpha-2,3-sialyltransferase 4) This gene encodes a member of the glycosyltransferase 29 family, a group of enzymes involved in protein glycosylation. The encoded protein is targeted to Golgi membranes but may be proteolytically processed and secreted. The gene product may also be involved in the increased expression of sialyl Lewis X antigen seen in inflammatory responses. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2011]

ST3GAL4 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.55).

BP7

Synonymous conserved (PhyloP=-5.71 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KIRREL3	NM_032531.4 link	c.1395G>T	p.Ser465Ser	synonymous_variant	Exon 12 of 17	ENST00000525144.7	NP_115920.1	Q8IZU9-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KIRREL3	ENST00000525144.7 link	c.1395G>T	p.Ser465Ser	synonymous_variant	Exon 12 of 17	1	NM_032531.4	ENSP00000435466.2		Q8IZU9-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000210

AC:

AN:

1431976

Hom.:

Cov.:

AF XY:

0.00000424

AC XY:

AN XY:

707930

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32872

American (AMR)

AF:

0.00

AC:

AN:

42926

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25272

East Asian (EAS)

AF:

0.00

AC:

AN:

38744

South Asian (SAS)

AF:

0.00

AC:

AN:

83452

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52396

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4532

European-Non Finnish (NFE)

AF:

9.15e-7

AC:

AN:

1092904

Other (OTH)

AF:

0.0000340

AC:

AN:

58878

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.408

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.55

CADD

Benign

0.039

(source)

DANN

Benign

0.85

PhyloP100

-5.7

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over