chr20-58652050-A-G

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_001001433.3(STX16):ā€‹c.44A>Gā€‹(p.Asn15Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000229 in 1,614,092 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 32)
Exomes š‘“: 0.000025 ( 0 hom. )

Consequence

STX16
NM_001001433.3 missense

Scores

1
10
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.15
Variant links:
Genes affected
STX16 (HGNC:11431): (syntaxin 16) This gene encodes a protein that is a member of the syntaxin or t-SNARE (target-SNAP receptor) family. These proteins are found on cell membranes and serve as the targets for V-SNARES (vesicle-SNAP receptors) permitting specific synaptic vesicle docking and fusion. A microdeletion in the region of chromosome 20 where this gene is located has been associated with pseudohypoparathyroidism type Ib. Multiple transcript variants have been found for this gene. Read-through transcription also exists between this gene and the neighboring downstream aminopeptidase-like 1 (NPEPL1) gene. [provided by RefSeq, Mar 2011]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2
High AC in GnomAdExome4 at 36 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
STX16NM_001001433.3 linkuse as main transcriptc.44A>G p.Asn15Ser missense_variant 1/9 ENST00000371141.8
STX16-NPEPL1NR_037945.1 linkuse as main transcriptn.798A>G non_coding_transcript_exon_variant 1/23

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
STX16ENST00000371141.8 linkuse as main transcriptc.44A>G p.Asn15Ser missense_variant 1/92 NM_001001433.3 P3O14662-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152216
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000801
AC:
2
AN:
249658
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135132
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
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:
0.0000179
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000246
AC:
36
AN:
1461876
Hom.:
0
Cov.:
31
AF XY:
0.0000138
AC XY:
10
AN XY:
727240
show subpopulations
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:
0.0000324
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152216
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74364
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000987
Hom.:
0
Bravo
AF:
0.0000113
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsMay 25, 2022The c.44A>G (p.N15S) alteration is located in exon 1 (coding exon 1) of the STX16 gene. This alteration results from a A to G substitution at nucleotide position 44, causing the asparagine (N) at amino acid position 15 to be replaced by a serine (S). 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
0.18
BayesDel_addAF
Benign
-0.14
T
BayesDel_noAF
Benign
-0.43
CADD
Pathogenic
28
DANN
Uncertain
1.0
DEOGEN2
Benign
0.35
.;T;.;.
Eigen
Uncertain
0.34
Eigen_PC
Uncertain
0.33
FATHMM_MKL
Uncertain
0.85
D
LIST_S2
Uncertain
0.96
D;D;D;D
M_CAP
Benign
0.034
D
MetaRNN
Uncertain
0.47
T;T;T;T
MetaSVM
Benign
-0.74
T
MutationAssessor
Uncertain
2.5
M;M;M;M
MutationTaster
Benign
1.0
D;D;D;D;D;D;D
PrimateAI
Pathogenic
0.80
T
PROVEAN
Uncertain
-3.2
D;D;D;D
REVEL
Benign
0.23
Sift
Uncertain
0.0050
D;D;D;D
Sift4G
Uncertain
0.024
D;D;D;D
Polyphen
0.99
D;D;P;.
Vest4
0.61
MVP
0.58
MPC
0.64
ClinPred
0.96
D
GERP RS
3.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.54
gMVP
0.84

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.17
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: rs969365159; hg19: chr20-57227106; API