Variant 16-28983805-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_032038.3(SPNS1):c.1340G>A(p.Arg447Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000157 in 1,597,062 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000017 ( 0 hom. )

Consequence

SPNS1
NM_032038.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.553

Variant links:

Genes affected

SPNS1 (HGNC:30621): (SPNS lysolipid transporter 1, lysophospholipid) Predicted to enable transmembrane transporter activity. Predicted to be involved in lipid transport and transmembrane transport. Located in lysosomal membrane. [provided by Alliance of Genome Resources, Apr 2022]

SPNS1 links:

ENSG00000261067 (HGNC:):

ENSG00000261067 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.03959745).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
SPNS1	NM_032038.3 linkuse as main transcript	c.1340G>A	p.Arg447Gln	missense_variant	11/12	ENST00000311008.16	NP_114427.1	Q9H2V7-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
SPNS1	ENST00000311008.16 linkuse as main transcript	c.1340G>A	p.Arg447Gln	missense_variant	11/12	1	NM_032038.3	ENSP00000309945.11		Q9H2V7-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152182

Hom.:

Cov.:

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:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.0000125

AC:

AN:

239912

Hom.:

AF XY:

0.0000153

AC XY:

AN XY:

130382

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000559

Gnomad SAS exome

AF:

0.0000668

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000166

AC:

AN:

1444880

Hom.:

Cov.:

AF XY:

0.0000181

AC XY:

AN XY:

718242

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000255

Gnomad4 SAS exome

AF:

0.0000351

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000172

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152182

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74350

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.000478

Bravo

AF:

0.0000113

ExAC

AF:

0.0000165

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Sep 20, 2024

The c.1340G>A (p.R447Q) alteration is located in exon 11 (coding exon 11) of the SPNS1 gene. This alteration results from a G to A substitution at nucleotide position 1340, causing the arginine (R) at amino acid position 447 to be replaced by a glutamine (Q). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.065

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Benign

-0.39

CADD

Benign

DANN

Benign

0.96

DEOGEN2

Benign

0.18

.;T;.;.;.

Eigen

Benign

-0.66

Eigen_PC

Benign

-0.53

FATHMM_MKL

Benign

0.14

LIST_S2

Benign

0.65

T;T;T;T;T

M_CAP

Benign

0.0092

MetaRNN

Benign

0.040

T;T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.49

.;N;.;.;.

PrimateAI

Benign

0.40

PROVEAN

Benign

-0.090

N;N;N;N;N

REVEL

Benign

0.017

Sift

Benign

0.67

T;T;T;T;T

Sift4G

Benign

0.67

T;T;T;T;T

Polyphen

0.075, 0.021, 0.027

.;B;.;B;B

Vest4

0.11

MutPred

0.34

.;Gain of helix (P = 0.132);.;.;.;

MVP

0.18

MPC

0.69

ClinPred

0.25

GERP RS

2.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.035

gMVP

0.48

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over