chr21-43418533-C-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BP4_Strong

The NM_173354.5(SIK1):​c.1471G>A​(p.Val491Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a benign outcome for this variant. 16/21 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. V491L) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 0)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

SIK1
NM_173354.5 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.0810
Variant links:
Genes affected
SIK1 (HGNC:11142): (salt inducible kinase 1) This gene encodes a serine/threonine protein kinase that contains a ubiquitin-associated (UBA) domain. The encoded protein is a member of the adenosine monophosphate-activated kinase (AMPK) subfamily of kinases that play a role in conserved signal transduction pathways. A mutation in this gene is associated with early infantile epileptic encephalopathy 30. [provided by RefSeq, Nov 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.053058833).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SIK1NM_173354.5 linkuse as main transcriptc.1471G>A p.Val491Ile missense_variant 12/14 ENST00000270162.8
SIK1XM_011529474.3 linkuse as main transcriptc.1324G>A p.Val442Ile missense_variant 11/13

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SIK1ENST00000270162.8 linkuse as main transcriptc.1471G>A p.Val491Ile missense_variant 12/141 NM_173354.5 P1

Frequencies

GnomAD3 genomes
Cov.:
0
GnomAD3 exomes
AF:
0.0000249
AC:
6
AN:
241162
Hom.:
0
AF XY:
0.0000304
AC XY:
4
AN XY:
131434
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000581
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000549
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000285
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
Data not reliable, filtered out with message: AC0;AS_VQSR
AF:
0.00
AC:
0
AN:
2988
Hom.:
0
Cov.:
0
AF XY:
0.00
AC XY:
0
AN XY:
1608
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
0
Alfa
AF:
0.0000284
Hom.:
0
ExAC
AF:
0.0000331
AC:
4

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Developmental and epileptic encephalopathy, 30 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingInvitaeApr 18, 2023ClinVar contains an entry for this variant (Variation ID: 1427786). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt SIK1 protein function. This variant has not been reported in the literature in individuals affected with SIK1-related conditions. This variant is present in population databases (rs140222760, gnomAD 0.005%). This sequence change replaces valine, which is neutral and non-polar, with isoleucine, which is neutral and non-polar, at codon 491 of the SIK1 protein (p.Val491Ile). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.074
BayesDel_addAF
Benign
-0.39
T
BayesDel_noAF
Benign
-0.62
CADD
Benign
0.88
DANN
Benign
0.79
DEOGEN2
Benign
0.089
T
Eigen
Benign
-1.2
Eigen_PC
Benign
-1.1
FATHMM_MKL
Benign
0.30
N
LIST_S2
Benign
0.76
T
M_CAP
Benign
0.022
T
MetaRNN
Benign
0.053
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
-0.23
N
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.42
T
PROVEAN
Benign
-0.16
N
REVEL
Benign
0.059
Sift
Benign
0.62
T
Sift4G
Benign
0.98
T
Polyphen
0.0070
B
Vest4
0.063
MutPred
0.18
Gain of catalytic residue at P493 (P = 0.0595);
MVP
0.10
MPC
0.11
ClinPred
0.013
T
GERP RS
-2.1
Varity_R
0.020
gMVP
0.086

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs140222760; hg19: chr21-44838413; COSMIC: COSV54258916; COSMIC: COSV54258916; API