dbSNP rs984542545: SAMD14:p.Glu398Lys (chr17-50112955-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001257359.2(SAMD14):c.1192G>A(p.Glu398Lys) variant causes a missense change. The variant allele was found at a frequency of 0.00000343 in 1,458,680 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

SAMD14
NM_001257359.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.13

Publications

0 publications found

Variant links:

Genes affected

SAMD14 (HGNC:27312): (sterile alpha motif domain containing 14) Predicted to enable actin filament binding activity. Predicted to be involved in actin filament organization; calcium-mediated signaling; and neuron projection development. Predicted to be active in several cellular components, including actin cytoskeleton; dendrite; and postsynaptic density. [provided by Alliance of Genome Resources, Apr 2022]

SAMD14 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 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
SAMD14	NM_001257359.2 link	c.1192G>A	p.Glu398Lys	missense_variant	Exon 10 of 10	ENST00000330175.9	NP_001244288.1	Q8IZD0-1
SAMD14	NM_174920.4 link	c.1276G>A	p.Glu426Lys	missense_variant	Exon 11 of 11		NP_777580.1	Q8IZD0-2
SAMD14	XM_017024322.3 link	c.1441G>A	p.Glu481Lys	missense_variant	Exon 9 of 9		XP_016879811.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SAMD14	ENST00000330175.9 link	c.1192G>A	p.Glu398Lys	missense_variant	Exon 10 of 10	1	NM_001257359.2	ENSP00000329144.4		Q8IZD0-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000343

AC:

AN:

1458680

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

725880

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33476

American (AMR)

AF:

0.00

AC:

AN:

44710

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

50330

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00000450

AC:

AN:

1111956

Other (OTH)

AF:

0.00

AC:

AN:

60358

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jun 26, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.1276G>A (p.E426K) alteration is located in exon 11 (coding exon 10) of the SAMD14 gene. This alteration results from a G to A substitution at nucleotide position 1276, causing the glutamic acid (E) at amino acid position 426 to be replaced by a lysine (K). 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

Pathogenic

0.58

BayesDel_addAF

Pathogenic

0.17

BayesDel_noAF

Uncertain

0.0

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.33

T;.;.

Eigen

Uncertain

0.56

Eigen_PC

Uncertain

0.59

FATHMM_MKL

Uncertain

0.95

LIST_S2

Pathogenic

0.99

D;D;D

M_CAP

Benign

0.012

MetaRNN

Uncertain

0.43

T;T;T

MetaSVM

Benign

-0.55

MutationAssessor

Benign

1.9

L;.;.

PhyloP100

6.1

PrimateAI

Uncertain

0.70

PROVEAN

Uncertain

-3.4

D;D;D

REVEL

Benign

0.24

Sift

Uncertain

0.0030

D;D;D

Sift4G

Benign

0.075

T;T;T

Polyphen

0.99

D;.;D

Vest4

0.47

MutPred

0.26

Gain of methylation at E398 (P = 0.0184);.;.;

MVP

0.78

MPC

0.17

ClinPred

0.98

GERP RS

5.1

Varity_R

0.53

gMVP

0.46

Mutation Taster

=34/66

disease causing

(source)

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

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rs984542545

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over