Variant chr21-14521185-T-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The ENST00000400566.6(SAMSN1):c.94A>C(p.Asn32His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000422 in 1,611,448 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00027 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

SAMSN1
ENST00000400566.6 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.29

Variant links:

Genes affected

SAMSN1 (HGNC:10528): (SAM domain, SH3 domain and nuclear localization signals 1) SAMSN1 is a member of a novel gene family of putative adaptors and scaffold proteins containing SH3 and SAM (sterile alpha motif) domains (Claudio et al., 2001 [PubMed 11536050]).[supplied by OMIM, Mar 2008]

SAMSN1 links:

LOC124905053 (HGNC:):

LOC124905053 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.036156178).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
SAMSN1	NM_022136.5 linkuse as main transcript	c.94A>C	p.Asn32His	missense_variant	2/8	ENST00000400566.6	NP_071419.3
LOC124905053	XR_007067925.1 linkuse as main transcript	n.340-16661T>G		intron_variant, non_coding_transcript_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
SAMSN1	ENST00000400566.6 linkuse as main transcript	c.94A>C	p.Asn32His	missense_variant	2/8	1	NM_022136.5	ENSP00000383411	P1	Q9NSI8-1

Frequencies

GnomAD3 genomes

AF:

0.000269

AC:

AN:

152166

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000965

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

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:

0.0000364

AC:

AN:

247528

Hom.:

AF XY:

0.0000298

AC XY:

AN XY:

134286

show subpopulations

Gnomad AFR exome

AF:

0.000587

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000185

AC:

AN:

1459282

Hom.:

Cov.:

AF XY:

0.0000110

AC XY:

AN XY:

725912

show subpopulations

Gnomad4 AFR exome

AF:

0.000749

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.0000332

GnomAD4 genome

AF:

0.000269

AC:

AN:

152166

Hom.:

Cov.:

AF XY:

0.000242

AC XY:

AN XY:

74336

show subpopulations

Gnomad4 AFR

AF:

0.000965

Gnomad4 AMR

AF:

0.0000655

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

Alfa

AF:

0.0000987

Hom.:

Bravo

AF:

0.000332

ExAC

AF:

0.0000580

AC:

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 submitter

clinical testing

Ambry Genetics

Apr 22, 2022

The c.94A>C (p.N32H) alteration is located in exon 2 (coding exon 2) of the SAMSN1 gene. This alteration results from a A to C substitution at nucleotide position 94, causing the asparagine (N) at amino acid position 32 to be replaced by a histidine (H). 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

0.071

BayesDel_addAF

Benign

-0.59

BayesDel_noAF

Benign

-0.66

CADD

Benign

DANN

Benign

0.93

DEOGEN2

Benign

0.096

T;.;.

Eigen

Benign

-0.34

Eigen_PC

Benign

-0.18

FATHMM_MKL

Benign

0.56

LIST_S2

Benign

0.72

T;T;T

M_CAP

Benign

0.0075

MetaRNN

Benign

0.036

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.0

L;.;.

MutationTaster

Benign

1.0

D;N;N

PrimateAI

Benign

0.38

PROVEAN

Benign

-1.0

N;.;N

REVEL

Benign

0.049

Sift

Benign

0.33

T;.;T

Sift4G

Benign

0.46

T;.;T

Polyphen

0.015

B;.;.

Vest4

0.24

MVP

0.49

MPC

0.14

ClinPred

0.034

GERP RS

4.3

Varity_R

0.079

gMVP

0.14

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over