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GeneBe

22-40404396-C-T

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_015705.6(SGSM3):c.307C>T(p.Arg103Cys) variant causes a missense change. The variant allele was found at a frequency of 0.000407 in 1,608,836 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00066 ( 1 hom., cov: 33)
Exomes 𝑓: 0.00038 ( 1 hom. )

Consequence

SGSM3
NM_015705.6 missense

Scores

2
6
10

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 4.63
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 Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.009180725).
BP6
Variant 22-40404396-C-T is Benign according to our data. Variant chr22-40404396-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 742761.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Homozygotes in GnomAdExome at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SGSM3NM_015705.6 linkuse as main transcriptc.307C>T p.Arg103Cys missense_variant 5/22 ENST00000248929.14

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SGSM3ENST00000248929.14 linkuse as main transcriptc.307C>T p.Arg103Cys missense_variant 5/221 NM_015705.6 P1Q96HU1-1
SGSM3ENST00000457767.5 linkuse as main transcriptc.106C>T p.Arg36Cys missense_variant 4/82
SGSM3ENST00000478085.5 linkuse as main transcriptn.284C>T non_coding_transcript_exon_variant 1/92
SGSM3ENST00000485962.5 linkuse as main transcriptn.468C>T non_coding_transcript_exon_variant 5/205

Frequencies

GnomAD3 genomes
AF:
0.000664
AC:
101
AN:
152182
Hom.:
1
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000386
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00744
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000265
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000890
AC:
219
AN:
246000
Hom.:
2
AF XY:
0.000941
AC XY:
125
AN XY:
132794
show subpopulations
Gnomad AFR exome
AF:
0.000308
Gnomad AMR exome
AF:
0.0000294
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000471
Gnomad FIN exome
AF:
0.00775
Gnomad NFE exome
AF:
0.000252
Gnomad OTH exome
AF:
0.00118
GnomAD4 exome
AF:
0.000380
AC:
554
AN:
1456536
Hom.:
1
Cov.:
31
AF XY:
0.000373
AC XY:
270
AN XY:
724192
show subpopulations
Gnomad4 AFR exome
AF:
0.000329
Gnomad4 AMR exome
AF:
0.0000226
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000151
Gnomad4 SAS exome
AF:
0.000304
Gnomad4 FIN exome
AF:
0.00648
Gnomad4 NFE exome
AF:
0.000127
Gnomad4 OTH exome
AF:
0.000416
GnomAD4 genome
AF:
0.000663
AC:
101
AN:
152300
Hom.:
1
Cov.:
33
AF XY:
0.000913
AC XY:
68
AN XY:
74452
show subpopulations
Gnomad4 AFR
AF:
0.0000481
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000387
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00744
Gnomad4 NFE
AF:
0.000265
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000132
Hom.:
0
Bravo
AF:
0.000140
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000675
AC:
82
Asia WGS
AF:
0.000577
AC:
2
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeMay 29, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.33
T
BayesDel_noAF
Benign
-0.38
Cadd
Pathogenic
26
Dann
Uncertain
1.0
DEOGEN2
Benign
0.10
T;T
Eigen
Uncertain
0.37
Eigen_PC
Uncertain
0.42
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Pathogenic
0.98
D;D
M_CAP
Benign
0.036
D
MetaRNN
Benign
0.0092
T;T
MetaSVM
Benign
-1.2
T
MutationTaster
Benign
1.0
D;D
PrimateAI
Benign
0.45
T
PROVEAN
Pathogenic
-5.5
D;D
REVEL
Benign
0.13
Sift
Uncertain
0.0010
D;D
Sift4G
Uncertain
0.0020
D;D
Polyphen
0.30
.;B
Vest4
0.30
MVP
0.36
MPC
0.21
ClinPred
0.080
T
GERP RS
4.8
Varity_R
0.44
gMVP
0.54

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: rs143730708; hg19: chr22-40800400; API