1-41028702-C-T

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_001394311.1(SCMH1):c.1769G>A(p.Arg590His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000335 in 1,613,980 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R590L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000034 ( 0 hom. )

Consequence

SCMH1
NM_001394311.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.93

Publications

1 publications found

Variant links:

Genes affected

SCMH1 (HGNC:19003): (Scm polycomb group protein homolog 1) Predicted to enable chromatin binding activity and histone binding activity. Predicted to be involved in negative regulation of transcription, DNA-templated. Predicted to act upstream of or within anterior/posterior pattern specification; chromatin remodeling; and spermatogenesis. Predicted to be located in nucleoplasm. Predicted to be active in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

SCMH1 links:

SLFNL1-AS1 (HGNC:44126): (SLFNL1 antisense RNA 1)

SLFNL1-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.13667473).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SCMH1	NM_001394311.1 link	c.1769G>A	p.Arg590His	missense_variant	Exon 15 of 16	ENST00000695335.1	NP_001381240.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SCMH1	ENST00000695335.1 link	c.1769G>A	p.Arg590His	missense_variant	Exon 15 of 16		NM_001394311.1	ENSP00000511813.1		A0A8Q3SHN2

Frequencies

GnomAD3 genomes

AF:

0.0000329

AC:

AN:

152142

Hom.:

Cov.:

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:

0.000193

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000602

AC:

AN:

249264

AF XY:

0.0000593

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.000100

Gnomad EAS exome

AF:

0.000218

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000715

Gnomad OTH exome

AF:

0.000164

GnomAD4 exome

AF:

0.0000335

AC:

AN:

1461838

Hom.:

Cov.:

AF XY:

0.0000413

AC XY:

AN XY:

727214

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.000115

AC:

AN:

26134

East Asian (EAS)

AF:

0.000403

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000232

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53386

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000234

AC:

AN:

1111998

Other (OTH)

AF:

0.0000331

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.469

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000329

AC:

AN:

152142

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74296

show subpopulations

African (AFR)

AF:

0.0000483

AC:

AN:

41428

American (AMR)

AF:

0.00

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.000193

AC:

AN:

5192

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10610

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68020

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.535

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0000205

Hom.:

Bravo

AF:

0.0000416

ExAC

AF:

0.0000741

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.000119

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jul 30, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.1739G>A (p.R580H) alteration is located in exon 15 (coding exon 12) of the SCMH1 gene. This alteration results from a G to A substitution at nucleotide position 1739, causing the arginine (R) at amino acid position 580 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

0.12

BayesDel_addAF

Benign

-0.27

BayesDel_noAF

Benign

-0.36

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.21

T;.;.;.;.;T;.;.;.;.;T;.

Eigen

Benign

0.014

Eigen_PC

Benign

0.0046

FATHMM_MKL

Uncertain

0.82

LIST_S2

Uncertain

0.96

D;D;.;D;D;.;.;D;.;.;D;D

M_CAP

Benign

0.016

MetaRNN

Benign

0.14

T;T;T;T;T;T;T;T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.8

L;.;.;.;.;L;.;.;.;.;.;.

PhyloP100

1.9

PrimateAI

Uncertain

0.65

PROVEAN

Benign

-1.7

.;.;N;N;N;N;N;N;N;N;.;N

REVEL

Benign

0.18

Sift

Benign

0.054

.;.;T;T;T;T;T;D;T;T;.;D

Sift4G

Benign

0.10

T;T;T;T;T;T;T;T;T;T;T;T

Polyphen

1.0

D;.;.;.;D;D;.;D;D;.;.;.

Vest4

0.42

MVP

0.30

MPC

0.64

ClinPred

0.069

GERP RS

4.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.054

gMVP

0.33

Mutation Taster

=79/21

polymorphism

(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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1-41028702-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over