Genetic Variant NM_182538.5:c.178A>G (chr17-4434145-A-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_182538.5(SPNS3):c.178A>G(p.Met60Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,156 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

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

Consequence

SPNS3
NM_182538.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.51

Publications

0 publications found

Variant links:

Genes affected

SPNS3 (HGNC:28433): (SPNS lysolipid transporter 3, sphingosine-1-phosphate (putative)) Predicted to enable transmembrane transporter activity. Predicted to be involved in lipid transport and transmembrane transport. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

SPNS3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_182538.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SPNS3	NM_182538.5	MANE Select	c.178A>G	p.Met60Val	missense	Exon 1 of 12	NP_872344.3
	SPNS3	NM_001320449.2		c.-67A>G		5_prime_UTR	Exon 1 of 11	NP_001307378.1	Q6ZMD2-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
SPNS3	ENST00000355530.7	TSL:2 MANE Select	c.178A>G	p.Met60Val	missense	Exon 1 of 12	ENSP00000347721.2	Q6ZMD2-1
SPNS3	ENST00000575194.5	TSL:1	n.178A>G		non_coding_transcript_exon	Exon 1 of 11	ENSP00000460781.1	I3L3W7
SPNS3	ENST00000576069.6	TSL:5	n.178A>G		non_coding_transcript_exon	Exon 1 of 10	ENSP00000519557.1	I3L3W7

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152156

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:

0.000193

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:

0.00

AC:

AN:

245588

AF XY:

0.00

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152156

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74318

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41452

American (AMR)

AF:

0.00

AC:

AN:

15272

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.000193

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10612

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68034

Other (OTH)

AF:

0.00

AC:

AN:

2086

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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.:

ClinVar

ClinVar submissions as Germline

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Uncertain

0.10

BayesDel_noAF

Benign

-0.090

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.38

Eigen

Uncertain

0.39

Eigen_PC

Uncertain

0.42

FATHMM_MKL

Uncertain

0.89

LIST_S2

Uncertain

0.91

M_CAP

Benign

0.079

MetaRNN

Uncertain

0.65

MetaSVM

Benign

-0.69

MutationAssessor

Uncertain

2.1

PhyloP100

2.5

PrimateAI

Uncertain

0.58

PROVEAN

Uncertain

-3.0

REVEL

Benign

0.28

Sift

Uncertain

0.0030

Sift4G

Uncertain

0.028

Polyphen

0.77

Vest4

0.61

MutPred

0.52

Gain of helix (P = 0.2059)

MVP

0.43

MPC

0.19

ClinPred

0.96

GERP RS

4.8

PromoterAI

0.025

Neutral

(source)

Varity_R

0.65

gMVP

0.68

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over