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GeneBe

22-43972985-G-A

Variant summary

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

The NM_015380.5(SAMM50):c.544G>A(p.Gly182Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000271 in 1,589,536 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000022 ( 0 hom. )

Consequence

SAMM50
NM_015380.5 missense

Scores

3
8
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.62
Variant links:
Genes affected
SAMM50 (HGNC:24276): (SAMM50 sorting and assembly machinery component) This gene encodes a component of the Sorting and Assembly Machinery (SAM) of the mitochondrial outer membrane. The Sam complex functions in the assembly of beta-barrel proteins into the outer mitochondrial membrane.[provided by RefSeq, Jun 2011]

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/exons MANE UniProt
SAMM50NM_015380.5 linkuse as main transcriptc.544G>A p.Gly182Arg missense_variant 6/15 ENST00000350028.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SAMM50ENST00000350028.5 linkuse as main transcriptc.544G>A p.Gly182Arg missense_variant 6/151 NM_015380.5 P1
SAMM50ENST00000493161.1 linkuse as main transcriptn.726G>A non_coding_transcript_exon_variant 6/73

Frequencies

GnomAD3 genomes
AF:
0.0000723
AC:
11
AN:
152066
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000217
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000264
AC:
6
AN:
227210
Hom.:
0
AF XY:
0.0000244
AC XY:
3
AN XY:
123156
show subpopulations
Gnomad AFR exome
AF:
0.000318
Gnomad AMR exome
AF:
0.00
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:
0.00000930
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000223
AC:
32
AN:
1437352
Hom.:
0
Cov.:
33
AF XY:
0.0000224
AC XY:
16
AN XY:
714608
show subpopulations
Gnomad4 AFR exome
AF:
0.000319
Gnomad4 AMR exome
AF:
0.0000277
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000249
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000163
Gnomad4 OTH exome
AF:
0.0000168
GnomAD4 genome
AF:
0.0000723
AC:
11
AN:
152184
Hom.:
0
Cov.:
33
AF XY:
0.000108
AC XY:
8
AN XY:
74402
show subpopulations
Gnomad4 AFR
AF:
0.000217
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000132
Hom.:
0
Bravo
AF:
0.0000907
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.0000546
EpiControl
AF:
0.0000593

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 submitterclinical testingAmbry GeneticsMar 02, 2023The c.544G>A (p.G182R) alteration is located in exon 6 (coding exon 6) of the SAMM50 gene. This alteration results from a G to A substitution at nucleotide position 544, causing the glycine (G) at amino acid position 182 to be replaced by an arginine (R). 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
0.29
BayesDel_addAF
Uncertain
0.017
T
BayesDel_noAF
Uncertain
0.090
Cadd
Pathogenic
29
Dann
Pathogenic
1.0
DEOGEN2
Benign
0.13
T
Eigen
Uncertain
0.59
Eigen_PC
Uncertain
0.63
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.98
D
M_CAP
Benign
0.016
T
MetaRNN
Uncertain
0.73
D
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.5
L
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.77
T
PROVEAN
Uncertain
-3.4
D
REVEL
Uncertain
0.45
Sift
Benign
0.041
D
Sift4G
Benign
0.15
T
Polyphen
0.99
D
Vest4
0.91
MutPred
0.53
Gain of MoRF binding (P = 0.017);
MVP
0.64
MPC
0.62
ClinPred
0.61
D
GERP RS
5.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.52
gMVP
0.70

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs183923403; hg19: chr22-44368865; COSMIC: COSV100601345; COSMIC: COSV100601345; API