rs115668246

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_006949.4(STXBP2):​c.38-30A>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00237 in 1,613,714 control chromosomes in the GnomAD database, including 80 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.012 ( 38 hom., cov: 32)
Exomes 𝑓: 0.0013 ( 42 hom. )

Consequence

STXBP2
NM_006949.4 intron

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.298
Variant links:
Genes affected
STXBP2 (HGNC:11445): (syntaxin binding protein 2) This gene encodes a member of the STXBP/unc-18/SEC1 family. The encoded protein is involved in intracellular trafficking, control of SNARE (soluble NSF attachment protein receptor) complex assembly, and the release of cytotoxic granules by natural killer cells. Mutations in this gene are associated with familial hemophagocytic lymphohistiocytosis. Alternatively spliced transcript variants encoding different isoforms have been noted for this gene. [provided by RefSeq, Jan 2013]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.87).
BP6
Variant 19-7638696-A-C is Benign according to our data. Variant chr19-7638696-A-C is described in ClinVar as [Benign]. Clinvar id is 260103.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0124 (1879/152086) while in subpopulation AFR AF= 0.0422 (1750/41462). AF 95% confidence interval is 0.0406. There are 38 homozygotes in gnomad4. There are 887 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 38 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
STXBP2NM_006949.4 linkuse as main transcriptc.38-30A>C intron_variant ENST00000221283.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
STXBP2ENST00000221283.10 linkuse as main transcriptc.38-30A>C intron_variant 1 NM_006949.4 P4Q15833-1

Frequencies

GnomAD3 genomes
AF:
0.0123
AC:
1874
AN:
151994
Hom.:
38
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0422
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00603
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000622
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000162
Gnomad OTH
AF:
0.0115
GnomAD3 exomes
AF:
0.00326
AC:
820
AN:
251460
Hom.:
10
AF XY:
0.00229
AC XY:
311
AN XY:
135912
show subpopulations
Gnomad AFR exome
AF:
0.0437
Gnomad AMR exome
AF:
0.00188
Gnomad ASJ exome
AF:
0.0000992
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000229
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000176
Gnomad OTH exome
AF:
0.00261
GnomAD4 exome
AF:
0.00133
AC:
1950
AN:
1461628
Hom.:
42
Cov.:
30
AF XY:
0.00114
AC XY:
830
AN XY:
727148
show subpopulations
Gnomad4 AFR exome
AF:
0.0441
Gnomad4 AMR exome
AF:
0.00233
Gnomad4 ASJ exome
AF:
0.000230
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000197
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000738
Gnomad4 OTH exome
AF:
0.00358
GnomAD4 genome
AF:
0.0124
AC:
1879
AN:
152086
Hom.:
38
Cov.:
32
AF XY:
0.0119
AC XY:
887
AN XY:
74352
show subpopulations
Gnomad4 AFR
AF:
0.0422
Gnomad4 AMR
AF:
0.00602
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000416
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000162
Gnomad4 OTH
AF:
0.0114
Alfa
AF:
0.00614
Hom.:
1
Bravo
AF:
0.0147
Asia WGS
AF:
0.00144
AC:
5
AN:
3478

ClinVar

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

Submissions by phenotype

not specified Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.87
CADD
Benign
2.3
DANN
Benign
0.61
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

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: rs115668246; hg19: chr19-7703582; API