Variant 11-85695273-C-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_206927.4(SYTL2):c.6642G>T(p.Lys2214Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000153 in 1,612,728 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. K2214E) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00015 ( 0 hom. )

Consequence

SYTL2
NM_206927.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.539

Variant links:

Genes affected

SYTL2 (HGNC:15585): (synaptotagmin like 2) The protein encoded by this gene is a synaptotagmin-like protein (SLP) that belongs to a C2 domain-containing protein family. The SLP homology domain (SHD) of this protein has been shown to specifically bind the GTP-bound form of Ras-related protein Rab-27A (RAB27A). This protein plays a role in RAB27A-dependent vesicle trafficking and controls melanosome distribution in the cell periphery. Alternative splicing results in multiple transcript variants encoding distinct isoforms.[provided by RefSeq, Jun 2009]

SYTL2 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.10797948).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
SYTL2	NM_206927.4 linkuse as main transcript	c.6642G>T	p.Lys2214Asn	missense_variant	20/20	ENST00000359152.10

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
SYTL2	ENST00000359152.10 linkuse as main transcript	c.6642G>T	p.Lys2214Asn	missense_variant	20/20	1	NM_206927.4

Frequencies

GnomAD3 genomes

AF:

0.000138

AC:

AN:

152184

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000965

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000262

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.000147

Gnomad OTH

AF:

0.000956

GnomAD3 exomes

AF:

0.000124

AC:

AN:

249194

Hom.:

AF XY:

0.000119

AC XY:

AN XY:

134904

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000871

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000179

Gnomad OTH exome

AF:

0.00131

GnomAD4 exome

AF:

0.000155

AC:

226

AN:

1460426

Hom.:

Cov.:

AF XY:

0.000139

AC XY:

101

AN XY:

726582

show subpopulations

Gnomad4 AFR exome

AF:

0.0000598

Gnomad4 AMR exome

AF:

0.000157

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000168

Gnomad4 OTH exome

AF:

0.000298

GnomAD4 genome

AF:

0.000138

AC:

AN:

152302

Hom.:

Cov.:

AF XY:

0.000148

AC XY:

AN XY:

74476

show subpopulations

Gnomad4 AFR

AF:

0.0000962

Gnomad4 AMR

AF:

0.000262

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000147

Gnomad4 OTH

AF:

0.000946

Alfa

AF:

0.000171

Hom.:

Bravo

AF:

0.000106

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.00

AC:

ExAC

AF:

0.0000906

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.000273

EpiControl

AF:

0.000474

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Dec 06, 2021

The c.3741G>T (p.K1247N) alteration is located in exon 13 (coding exon 13) of the SYTL2 gene. This alteration results from a G to T substitution at nucleotide position 3741, causing the lysine (K) at amino acid position 1247 to be replaced by an asparagine (N). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.30

BayesDel_addAF

Benign

-0.29

BayesDel_noAF

Benign

-0.39

Cadd

Benign

Dann

Uncertain

1.0

Eigen

Benign

-0.11

Eigen_PC

Benign

0.018

FATHMM_MKL

Uncertain

0.79

LIST_S2

Uncertain

0.91

D;D;D;.;.;D;D;D;D;D;D;D;.

M_CAP

Uncertain

0.11

MetaRNN

Benign

0.11

T;T;T;T;T;T;T;T;T;T;T;T;T

MetaSVM

Benign

-0.62

MutationTaster

Benign

1.0

D;D;D;D;D;D;D;D;D;D;D;D

PrimateAI

Uncertain

0.51

REVEL

Benign

0.12

Sift4G

Uncertain

0.013

D;D;D;D;T;T;T;D;D;T;D;D;D

Polyphen

0.17

B;P;.;B;.;.;B;.;P;B;B;.;P

Vest4

0.11

MutPred

0.34

.;.;.;.;.;.;.;.;Loss of ubiquitination at K909 (P = 0.0183);.;.;.;.;

MVP

0.63

MPC

0.045

ClinPred

0.13

GERP RS

4.9

Varity_R

0.23

gMVP

0.43

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over