22-40404641-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_015705.6(SGSM3):ā€‹c.451G>Cā€‹(p.Asp151His) variant causes a missense change. The variant allele was found at a frequency of 0.00000186 in 1,612,622 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 33)
Exomes š‘“: 0.0000014 ( 0 hom. )

Consequence

SGSM3
NM_015705.6 missense

Scores

3
9
7

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.46
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SGSM3NM_015705.6 linkc.451G>C p.Asp151His 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.451G>C p.Asp151His missense_variant Exon 6 of 22 1 NM_015705.6 ENSP00000248929.8 Q96HU1-1
ENSG00000284431ENST00000639722.1 linkn.*1689G>C non_coding_transcript_exon_variant Exon 17 of 31 5 ENSP00000492828.1 A0A1W2PRX2
ENSG00000284431ENST00000639722.1 linkn.*1689G>C 3_prime_UTR_variant Exon 17 of 31 5 ENSP00000492828.1 A0A1W2PRX2

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152190
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
GnomAD3 exomes
AF:
0.00000402
AC:
1
AN:
248916
Hom.:
0
AF XY:
0.00000743
AC XY:
1
AN XY:
134644
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000329
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:
1460432
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
2
AN XY:
726492
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152190
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74354
show subpopulations
Gnomad4 AFR
AF:
0.0000241
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:
0.00
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.70
BayesDel_addAF
Benign
-0.14
T
BayesDel_noAF
Benign
-0.34
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Benign
0.092
T;T
Eigen
Uncertain
0.60
Eigen_PC
Uncertain
0.59
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.96
D;D
M_CAP
Benign
0.024
T
MetaRNN
Uncertain
0.47
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.5
.;M
PrimateAI
Uncertain
0.66
T
PROVEAN
Pathogenic
-5.3
D;D
REVEL
Benign
0.23
Sift
Uncertain
0.0030
D;D
Sift4G
Uncertain
0.058
T;D
Polyphen
0.56
.;P
Vest4
0.56
MutPred
0.43
.;Gain of catalytic residue at D151 (P = 0.0584);
MVP
0.49
MPC
0.69
ClinPred
0.97
D
GERP RS
5.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.32
gMVP
0.74

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: rs142415355; hg19: chr22-40800645; API