dbSNP rs920255355: SCLY:p.Ala16Gly (chr2-238061101-C-G) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

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

The NM_016510.7(SCLY):c.47C>G(p.Ala16Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000228 in 1,405,114 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 34)

Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

SCLY
NM_016510.7 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.120

Variant links:

Genes affected

SCLY (HGNC:18161): (selenocysteine lyase) Selenocysteine lyase (SCLY; EC 4.4.1.16) catalyzes the pyridoxal 5-prime phosphate-dependent conversion of L-selenocysteine to L-alanine and elemental selenium (Mihara et al., 2000 [PubMed 10692412]).[supplied by OMIM, Mar 2008]

SCLY links:

UBE2F-SCLY (HGNC:48339): (UBE2F-SCLY readthrough (NMD candidate)) This locus represents naturally occurring read-through transcription between the neighboring UBE2F (ubiquitin-conjugating enzyme E2F) and SCLY (selenocysteine lyase) genes on chromosome 2. The read-through transcript is a candidate for non-sense mediated mRNA decay (NMD), and is unlikely to produce a protein product. [provided by RefSeq, Feb 2011]

UBE2F-SCLY 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=0.049919546).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SCLY	NM_016510.7 link	c.47C>G	p.Ala16Gly	missense_variant	Exon 1 of 12	ENST00000254663.12	NP_057594.5	Q96I15-1B4DDP9A0A0A0MQU4Q59FK2
UBE2F-SCLY	NR_037904.1 link	n.666-3256C>G		intron_variant	Intron 8 of 18

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SCLY	ENST00000254663.12 link	c.47C>G	p.Ala16Gly	missense_variant	Exon 1 of 12	1	NM_016510.7	ENSP00000254663.7		Q96I15-1
UBE2F-SCLY	ENST00000449191.1 link	n.*263-3256C>G		intron_variant	Intron 9 of 10	3		ENSP00000456827.1		H3BSR4

Frequencies

GnomAD3 genomes

AF:

0.0000394

AC:

AN:

152184

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.0000882

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000557

AC:

AN:

17956

Hom.:

AF XY:

0.00

AC XY:

AN XY:

10314

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:

0.000179

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000208

AC:

AN:

1252930

Hom.:

Cov.:

AF XY:

0.0000164

AC XY:

AN XY:

609978

show subpopulations

Gnomad4 AFR exome

AF:

0.0000410

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:

0.0000245

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000394

AC:

AN:

152184

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74344

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000882

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000540

Hom.:

Bravo

AF:

0.0000340

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 08, 2025

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.71C>G (p.A24G) alteration is located in exon 1 (coding exon 1) of the SCLY gene. This alteration results from a C to G substitution at nucleotide position 71, causing the alanine (A) at amino acid position 24 to be replaced by a glycine (G). 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

0.077

BayesDel_addAF

Benign

-0.42

BayesDel_noAF

Benign

-0.58

CADD

Benign

5.6

DANN

Benign

0.89

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.037

LIST_S2

Benign

0.52

T;.;T;T

M_CAP

Benign

0.0024

MetaRNN

Benign

0.050

T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.0

.;.;N;.

PrimateAI

Uncertain

0.60

PROVEAN

Benign

-0.42

N;N;N;N

REVEL

Benign

0.014

Sift

Benign

0.21

T;D;T;T

Sift4G

Benign

0.24

T;T;T;T

Polyphen

0.0040

.;.;B;.

Vest4

0.099

MutPred

0.16

.;.;Gain of helix (P = 0.062);.;

MVP

0.055

MPC

0.079

ClinPred

0.028

GERP RS

-1.8

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