8-118439936-G-A

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 1P and 4B. PP3BS2

The NM_207506.3(SAMD12):​c.218C>T​(p.Pro73Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000547 in 1,461,324 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

SAMD12
NM_207506.3 missense

Scores

5
9
5

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.60
Variant links:
Genes affected
SAMD12 (HGNC:31750): (sterile alpha motif domain containing 12) Predicted to be involved in transmembrane receptor protein tyrosine kinase signaling pathway. Predicted to be active in cytoplasmic side of plasma membrane. Implicated in familial adult myoclonic epilepsy 1. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.799
BS2
High AC in GnomAdExome4 at 8 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SAMD12NM_207506.3 linkc.218C>T p.Pro73Leu missense_variant 3/4 ENST00000314727.9 NP_997389.2 Q8N8I0

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SAMD12ENST00000314727.9 linkc.218C>T p.Pro73Leu missense_variant 3/41 NM_207506.3 ENSP00000314173.4 Q8N8I0

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000120
AC:
3
AN:
251018
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135640
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000264
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000547
AC:
8
AN:
1461324
Hom.:
0
Cov.:
30
AF XY:
0.00000688
AC XY:
5
AN XY:
726982
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000540
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.0000658
Hom.:
0
Bravo
AF:
0.0000189
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGeneDxNov 11, 2023Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.97
BayesDel_addAF
Uncertain
0.11
D
BayesDel_noAF
Uncertain
-0.010
CADD
Pathogenic
33
DANN
Uncertain
1.0
DEOGEN2
Benign
0.15
.;.;T
Eigen
Uncertain
0.44
Eigen_PC
Uncertain
0.57
FATHMM_MKL
Uncertain
0.80
D
LIST_S2
Pathogenic
0.98
D;D;D
M_CAP
Benign
0.076
D
MetaRNN
Pathogenic
0.80
D;D;D
MetaSVM
Benign
-0.88
T
MutationAssessor
Benign
0.90
.;.;L
PrimateAI
Pathogenic
0.86
D
PROVEAN
Pathogenic
-9.3
D;.;D
REVEL
Uncertain
0.47
Sift
Uncertain
0.0010
D;.;D
Sift4G
Uncertain
0.0020
D;.;D
Polyphen
1.0
D;.;D
Vest4
0.94
MVP
0.60
MPC
0.43
ClinPred
1.0
D
GERP RS
5.7
Varity_R
0.79
gMVP
0.54

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: rs369137578; hg19: chr8-119452175; COSMIC: COSV100126716; API