rs374291042

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_015705.6(SGSM3):​c.424C>A​(p.Arg142Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,420 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 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: not found (cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

SGSM3
NM_015705.6 missense

Scores

5
14

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.14
Variant links:
Genes affected
SGSM3 (HGNC:25228): (small G protein signaling modulator 3) Enables GTPase activator activity and small GTPase binding activity. Involved in several processes, including Rap protein signal transduction; positive regulation of GTPase activity; and regulation of Rab protein signal transduction. Located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.20284677).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SGSM3NM_015705.6 linkc.424C>A p.Arg142Ser missense_variant Exon 6 of 22 ENST00000248929.14 NP_056520.2 Q96HU1-1B9A6J5

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SGSM3ENST00000248929.14 linkc.424C>A p.Arg142Ser missense_variant Exon 6 of 22 1 NM_015705.6 ENSP00000248929.8 Q96HU1-1
ENSG00000284431ENST00000639722.1 linkn.*1662C>A non_coding_transcript_exon_variant Exon 17 of 31 5 ENSP00000492828.1 A0A1W2PRX2
ENSG00000284431ENST00000639722.1 linkn.*1662C>A 3_prime_UTR_variant Exon 17 of 31 5 ENSP00000492828.1 A0A1W2PRX2

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000798
AC:
2
AN:
250570
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135484
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000580
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461420
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
726996
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Bravo
AF:
0.0000189
ExAC
AF:
0.0000165
AC:
2

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.42
BayesDel_addAF
Benign
-0.12
T
BayesDel_noAF
Benign
-0.24
CADD
Benign
21
DANN
Uncertain
0.99
DEOGEN2
Benign
0.049
T;T
Eigen
Benign
-0.13
Eigen_PC
Benign
0.034
FATHMM_MKL
Uncertain
0.83
D
LIST_S2
Uncertain
0.95
D;D
M_CAP
Benign
0.014
T
MetaRNN
Benign
0.20
T;T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
0.95
.;L
PrimateAI
Uncertain
0.50
T
PROVEAN
Benign
-2.1
N;N
REVEL
Benign
0.13
Sift
Benign
0.097
T;T
Sift4G
Benign
0.41
T;T
Polyphen
0.089
.;B
Vest4
0.77
MutPred
0.53
.;Loss of MoRF binding (P = 0.0096);
MVP
0.27
MPC
0.28
ClinPred
0.51
D
GERP RS
4.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.19
gMVP
0.67

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: rs374291042; hg19: chr22-40800618; API