16-50675881-C-T

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_182854.4(SNX20):​c.171G>A​(p.Thr57=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00267 in 1,612,116 control chromosomes in the GnomAD database, including 106 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.015 ( 59 hom., cov: 32)
Exomes 𝑓: 0.0014 ( 47 hom. )

Consequence

SNX20
NM_182854.4 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -4.24
Variant links:
Genes affected
SNX20 (HGNC:30390): (sorting nexin 20) SNX20 interacts with the cytoplasmic domain of PSGL1 (SELPLG; MIM 600738) and cycles PSGL1 into endosomes.[supplied by OMIM, Feb 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.59).
BP6
Variant 16-50675881-C-T is Benign according to our data. Variant chr16-50675881-C-T is described in ClinVar as [Benign]. Clinvar id is 777015.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-4.24 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0147 (2235/152270) while in subpopulation AFR AF= 0.051 (2121/41558). AF 95% confidence interval is 0.0492. There are 59 homozygotes in gnomad4. There are 1024 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 59 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SNX20NM_182854.4 linkuse as main transcriptc.171G>A p.Thr57= synonymous_variant 3/4 ENST00000330943.9
SNX20NM_153337.3 linkuse as main transcriptc.171G>A p.Thr57= synonymous_variant 3/4
SNX20NM_001144972.2 linkuse as main transcriptc.171G>A p.Thr57= synonymous_variant 3/4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SNX20ENST00000330943.9 linkuse as main transcriptc.171G>A p.Thr57= synonymous_variant 3/41 NM_182854.4 P1Q7Z614-1
SNX20ENST00000423026.6 linkuse as main transcriptc.171G>A p.Thr57= synonymous_variant 3/41 Q7Z614-4
SNX20ENST00000568993.5 linkuse as main transcriptc.171G>A p.Thr57= synonymous_variant, NMD_transcript_variant 3/51 Q7Z614-3
SNX20ENST00000300590.7 linkuse as main transcriptc.171G>A p.Thr57= synonymous_variant 3/42 Q7Z614-3

Frequencies

GnomAD3 genomes
AF:
0.0146
AC:
2224
AN:
152152
Hom.:
59
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0509
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00445
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000415
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00633
Gnomad NFE
AF:
0.000191
Gnomad OTH
AF:
0.0144
GnomAD3 exomes
AF:
0.00364
AC:
906
AN:
249224
Hom.:
19
AF XY:
0.00263
AC XY:
355
AN XY:
134878
show subpopulations
Gnomad AFR exome
AF:
0.0508
Gnomad AMR exome
AF:
0.00170
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000985
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000115
Gnomad OTH exome
AF:
0.00148
GnomAD4 exome
AF:
0.00142
AC:
2066
AN:
1459846
Hom.:
47
Cov.:
31
AF XY:
0.00123
AC XY:
891
AN XY:
726316
show subpopulations
Gnomad4 AFR exome
AF:
0.0513
Gnomad4 AMR exome
AF:
0.00225
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000128
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000558
Gnomad4 OTH exome
AF:
0.00284
GnomAD4 genome
AF:
0.0147
AC:
2235
AN:
152270
Hom.:
59
Cov.:
32
AF XY:
0.0138
AC XY:
1024
AN XY:
74456
show subpopulations
Gnomad4 AFR
AF:
0.0510
Gnomad4 AMR
AF:
0.00445
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000415
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000191
Gnomad4 OTH
AF:
0.0142
Alfa
AF:
0.00693
Hom.:
11
Bravo
AF:
0.0167
Asia WGS
AF:
0.000866
AC:
3
AN:
3478
EpiCase
AF:
0.0000546
EpiControl
AF:
0.000356

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 30, 2018- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.59
CADD
Benign
1.2
DANN
Benign
0.83

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.

Other links and lift over

dbSNP: rs35435054; hg19: chr16-50709792; API