16-50675795-T-C

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_182854.4(SNX20):​c.257A>G​(p.Glu86Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000062 in 1,613,448 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

SNX20
NM_182854.4 missense

Scores

6
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.18

Publications

0 publications found
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 was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.27793634).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_182854.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SNX20
NM_182854.4
MANE Select
c.257A>Gp.Glu86Gly
missense
Exon 3 of 4NP_878274.1Q7Z614-1
SNX20
NM_153337.3
c.257A>Gp.Glu86Gly
missense
Exon 3 of 4NP_699168.1Q7Z614-3
SNX20
NM_001144972.2
c.257A>Gp.Glu86Gly
missense
Exon 3 of 4NP_001138444.1Q7Z614-4

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SNX20
ENST00000330943.9
TSL:1 MANE Select
c.257A>Gp.Glu86Gly
missense
Exon 3 of 4ENSP00000332062.4Q7Z614-1
SNX20
ENST00000423026.6
TSL:1
c.257A>Gp.Glu86Gly
missense
Exon 3 of 4ENSP00000388875.2Q7Z614-4
SNX20
ENST00000568993.5
TSL:1
n.257A>G
non_coding_transcript_exon
Exon 3 of 5ENSP00000454863.1Q7Z614-3

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152222
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:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.000957
GnomAD2 exomes
AF:
0.0000120
AC:
3
AN:
250584
AF XY:
0.00000738
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000109
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000411
AC:
6
AN:
1461226
Hom.:
0
Cov.:
30
AF XY:
0.00000138
AC XY:
1
AN XY:
726936
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33438
American (AMR)
AF:
0.00
AC:
0
AN:
44522
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26116
East Asian (EAS)
AF:
0.0000504
AC:
2
AN:
39690
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86148
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53408
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
8.99e-7
AC:
1
AN:
1111764
Other (OTH)
AF:
0.0000331
AC:
2
AN:
60372
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.458
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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:
0.0000263
AC:
4
AN:
152222
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74370
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41462
American (AMR)
AF:
0.00
AC:
0
AN:
15278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.000193
AC:
1
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4836
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68042
Other (OTH)
AF:
0.000957
AC:
2
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.488
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.00
Hom.:
0
Bravo
AF:
0.00000378
ExAC
AF:
0.0000247
AC:
3

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.36
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.43
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.0097
T
Eigen
Uncertain
0.33
Eigen_PC
Uncertain
0.37
FATHMM_MKL
Uncertain
0.86
D
LIST_S2
Benign
0.81
T
M_CAP
Benign
0.043
D
MetaRNN
Benign
0.28
T
MetaSVM
Benign
-0.71
T
MutationAssessor
Benign
1.5
L
PhyloP100
3.2
PrimateAI
Benign
0.32
T
PROVEAN
Uncertain
-3.9
D
REVEL
Benign
0.10
Sift
Benign
0.035
D
Sift4G
Benign
0.12
T
Polyphen
1.0
D
Vest4
0.24
MutPred
0.50
Gain of MoRF binding (P = 0.0186)
MVP
0.60
MPC
1.0
ClinPred
0.91
D
GERP RS
4.6
Varity_R
0.14
gMVP
0.60
Mutation Taster
=89/11
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: rs763492085; hg19: chr16-50709706; API