rs186332019

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_StrongBP6

The NM_024700.4(SNIP1):​c.559C>T​(p.Arg187Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000116 in 1,614,102 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts 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. R187Q) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00012 ( 1 hom., cov: 32)
Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

SNIP1
NM_024700.4 missense

Scores

1
7
11

Clinical Significance

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

Conservation

PhyloP100: 2.85

Publications

2 publications found
Variant links:
Genes affected
SNIP1 (HGNC:30587): (Smad nuclear interacting protein 1) This gene encodes a protein that contains a coiled-coil motif and C-terminal forkhead-associated (FHA) domain. The encoded protein functions as a transcriptional coactivator that increases c-Myc activity and inhibits transforming growth factor beta (TGF-beta) and nuclear factor kappa-B (NF-kB) signaling. The encoded protein also regulates the stability of cyclin D1 mRNA, and may play a role in cell proliferation and cancer progression. Mutations in this gene are a cause of psychomotor retardation, epilepsy, and craniofacial dysmorphism (PMRED). [provided by RefSeq, Mar 2012]
SNIP1 Gene-Disease associations (from GenCC):
  • psychomotor retardation, epilepsy, and craniofacial dysmorphism
    Inheritance: Unknown, AR Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Illumina, G2P

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.03397289).
BP6
Variant 1-37540524-G-A is Benign according to our data. Variant chr1-37540524-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 376913.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SNIP1NM_024700.4 linkc.559C>T p.Arg187Trp missense_variant Exon 3 of 4 ENST00000296215.8 NP_078976.2 Q8TAD8B1AK66

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SNIP1ENST00000296215.8 linkc.559C>T p.Arg187Trp missense_variant Exon 3 of 4 1 NM_024700.4 ENSP00000296215.5 Q8TAD8

Frequencies

GnomAD3 genomes
AF:
0.000118
AC:
18
AN:
152094
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00111
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000382
AC:
96
AN:
251470
AF XY:
0.000302
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00260
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000176
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000116
AC:
170
AN:
1461890
Hom.:
0
Cov.:
31
AF XY:
0.0000894
AC XY:
65
AN XY:
727246
show subpopulations
African (AFR)
AF:
0.0000597
AC:
2
AN:
33480
American (AMR)
AF:
0.00248
AC:
111
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53418
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000468
AC:
52
AN:
1112010
Other (OTH)
AF:
0.0000828
AC:
5
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.463
Heterozygous variant carriers
0
11
22
34
45
56
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.000118
AC:
18
AN:
152212
Hom.:
1
Cov.:
32
AF XY:
0.000121
AC XY:
9
AN XY:
74408
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41524
American (AMR)
AF:
0.00111
AC:
17
AN:
15282
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5182
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4820
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10600
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68016
Other (OTH)
AF:
0.00
AC:
0
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
1
2
4
5
6
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:
0.000142
Hom.:
0
Bravo
AF:
0.000253
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000231
AC:
28
EpiCase
AF:
0.0000545
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

not provided Uncertain:1Benign:1
Feb 02, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jul 13, 2016
Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not specified Uncertain:1
Mar 16, 2023
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Variant summary: SNIP1 c.559C>T (p.Arg187Trp) results in a non-conservative amino acid change in the encoded protein sequence. Three of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 0.00038 in 251470 control chromosomes, predominantly at a frequency of 0.0026 within the Latino subpopulation in the gnomAD database. To our knowledge, no occurrence of c.559C>T in individuals affected with Psychomotor Retardation, Epilepsy, And Craniofacial Dysmorphism and no experimental evidence demonstrating its impact on protein function have been reported. Two submitters have provided clinical-significance assessments for this variant to ClinVar after 2014 and classified the variant as likely benign and VUS. Based on the evidence outlined above, the variant was classified as uncertain significance. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.23
BayesDel_addAF
Benign
-0.32
T
BayesDel_noAF
Benign
-0.23
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Benign
0.40
T
Eigen
Benign
-0.26
Eigen_PC
Benign
-0.14
FATHMM_MKL
Uncertain
0.83
D
LIST_S2
Uncertain
0.89
D
M_CAP
Benign
0.024
T
MetaRNN
Benign
0.034
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.6
M
PhyloP100
2.9
PrimateAI
Uncertain
0.70
T
PROVEAN
Uncertain
-3.8
D
REVEL
Benign
0.16
Sift
Pathogenic
0.0
D
Sift4G
Uncertain
0.0020
D
Polyphen
0.088
B
Vest4
0.66
MVP
0.42
MPC
0.65
ClinPred
0.12
T
GERP RS
3.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.64
gMVP
0.47
Mutation Taster
=73/27
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: rs186332019; hg19: chr1-38006125; COSMIC: COSV99953136; COSMIC: COSV99953136; API