rs138647604

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_001001433.3(STX16):​c.456G>T​(p.Glu152Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000963 in 1,612,058 control chromosomes in the GnomAD database, including 5 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. E152Q) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00097 ( 3 hom., cov: 33)
Exomes 𝑓: 0.00096 ( 2 hom. )

Consequence

STX16
NM_001001433.3 missense

Scores

3
16

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:2

Conservation

PhyloP100: 1.03

Publications

3 publications found
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]
STX16-NPEPL1 (HGNC:41993): (STX16-NPEPL1 readthrough (NMD candidate)) This locus represents naturally occurring read-through transcription between the neighboring syntaxin 16 (STX16) and aminopeptidase-like 1 (NPEPL1) genes on chromosome 20. The read-through transcript is a candidate for nonsense-mediated mRNA decay (NMD), and is thus unlikely to produce a protein product. [provided by RefSeq, Mar 2011]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.008934915).
BP6
Variant 20-58669353-G-T is Benign according to our data. Variant chr20-58669353-G-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 339049.
BS2
High AC in GnomAd4 at 147 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
STX16NM_001001433.3 linkc.456G>T p.Glu152Asp missense_variant Exon 5 of 9 ENST00000371141.8 NP_001001433.1 O14662-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
STX16ENST00000371141.8 linkc.456G>T p.Glu152Asp missense_variant Exon 5 of 9 2 NM_001001433.3 ENSP00000360183.4 O14662-1
STX16-NPEPL1ENST00000530122.1 linkn.456G>T non_coding_transcript_exon_variant Exon 5 of 23 5 ENSP00000457522.1 H3BU86

Frequencies

GnomAD3 genomes
AF:
0.000972
AC:
148
AN:
152194
Hom.:
3
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000265
Gnomad AMI
AF:
0.00219
Gnomad AMR
AF:
0.000393
Gnomad ASJ
AF:
0.0141
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000414
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00633
Gnomad NFE
AF:
0.00106
Gnomad OTH
AF:
0.00191
GnomAD2 exomes
AF:
0.00120
AC:
293
AN:
245002
AF XY:
0.00120
show subpopulations
Gnomad AFR exome
AF:
0.000135
Gnomad AMR exome
AF:
0.000437
Gnomad ASJ exome
AF:
0.0127
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000465
Gnomad NFE exome
AF:
0.00115
Gnomad OTH exome
AF:
0.00133
GnomAD4 exome
AF:
0.000962
AC:
1405
AN:
1459746
Hom.:
2
Cov.:
30
AF XY:
0.000968
AC XY:
703
AN XY:
726248
show subpopulations
African (AFR)
AF:
0.000239
AC:
8
AN:
33434
American (AMR)
AF:
0.000471
AC:
21
AN:
44574
Ashkenazi Jewish (ASJ)
AF:
0.0125
AC:
327
AN:
26064
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39670
South Asian (SAS)
AF:
0.000580
AC:
50
AN:
86162
European-Finnish (FIN)
AF:
0.0000380
AC:
2
AN:
52610
Middle Eastern (MID)
AF:
0.00417
AC:
24
AN:
5752
European-Non Finnish (NFE)
AF:
0.000793
AC:
881
AN:
1111172
Other (OTH)
AF:
0.00153
AC:
92
AN:
60308
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.487
Heterozygous variant carriers
0
78
155
233
310
388
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
32
64
96
128
160
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000965
AC:
147
AN:
152312
Hom.:
3
Cov.:
33
AF XY:
0.000806
AC XY:
60
AN XY:
74476
show subpopulations
African (AFR)
AF:
0.000265
AC:
11
AN:
41574
American (AMR)
AF:
0.000392
AC:
6
AN:
15304
Ashkenazi Jewish (ASJ)
AF:
0.0141
AC:
49
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5174
South Asian (SAS)
AF:
0.000414
AC:
2
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00340
AC:
1
AN:
294
European-Non Finnish (NFE)
AF:
0.00106
AC:
72
AN:
68022
Other (OTH)
AF:
0.00189
AC:
4
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.504
Heterozygous variant carriers
0
8
15
23
30
38
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
4
8
12
16
20
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00201
Hom.:
1
Bravo
AF:
0.000960
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000778
AC:
3
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.00106
AC:
9
ExAC
AF:
0.00112
AC:
136
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.00164
EpiControl
AF:
0.00285

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:2
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not specified Uncertain:1
Nov 07, 2016
Genetic Services Laboratory, University of Chicago
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Pseudohypoparathyroidism type 1B Benign:1
Jan 12, 2018
Illumina Laboratory Services, Illumina
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

not provided Benign:1
Jan 19, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.076
BayesDel_addAF
Benign
-0.52
T
BayesDel_noAF
Benign
-0.57
CADD
Benign
17
DANN
Uncertain
0.99
DEOGEN2
Benign
0.040
.;.;.;.;.;.;T;.;.;.
Eigen
Benign
-0.58
Eigen_PC
Benign
-0.46
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Benign
0.60
T;T;T;T;T;.;T;T;T;T
M_CAP
Benign
0.0067
T
MetaRNN
Benign
0.0089
T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.57
.;.;.;.;.;.;N;.;.;.
PhyloP100
1.0
PrimateAI
Uncertain
0.57
T
PROVEAN
Benign
-0.84
.;N;N;N;N;N;N;N;N;N
REVEL
Benign
0.099
Sift
Benign
0.40
.;T;T;T;T;T;T;T;T;T
Sift4G
Benign
0.60
T;T;T;T;T;T;T;T;T;T
Polyphen
0.0
.;.;B;.;.;.;B;B;.;.
Vest4
0.22
MutPred
0.37
.;.;.;.;.;.;Loss of disorder (P = 0.0932);.;.;.;
MVP
0.29
MPC
0.31
ClinPred
0.029
T
GERP RS
1.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.10
gMVP
0.11
Mutation Taster
=99/1
polymorphism

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

Other links and lift over

dbSNP: rs138647604; hg19: chr20-57244409; API