Genetic Variant SCAPER:p.Ser1340Asn (chr15-76353977-C-T) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_020843.4(SCAPER):c.4019G>A(p.Ser1340Asn) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,194 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S1340T) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

SCAPER
NM_020843.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.46

Publications

0 publications found

Variant links:

Genes affected

SCAPER (HGNC:13081): (S-phase cyclin A associated protein in the ER) Predicted to enable nucleic acid binding activity and zinc ion binding activity. Located in cytosol and nuclear speck. [provided by Alliance of Genome Resources, Apr 2022]

SCAPER Gene-Disease associations (from GenCC):

intellectual developmental disorder and retinitis pigmentosa; IDDRP
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
neurodevelopmental disorder
Inheritance: AR Classification: STRONG Submitted by: PanelApp Australia
retinitis pigmentosa
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
Bardet-Biedl syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

SCAPER links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.81

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020843.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
SCAPER	NM_020843.4	MANE Select	c.4019G>A	p.Ser1340Asn	missense	Exon 30 of 32	NP_065894.2	Q9BY12-1
SCAPER	NM_001353009.2		c.4037G>A	p.Ser1346Asn	missense	Exon 31 of 33	NP_001339938.1
SCAPER	NM_001353011.2		c.3635G>A	p.Ser1212Asn	missense	Exon 31 of 33	NP_001339940.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
SCAPER	ENST00000563290.6	TSL:5 MANE Select	c.4019G>A	p.Ser1340Asn	missense	Exon 30 of 32	ENSP00000454973.1	Q9BY12-1
SCAPER	ENST00000324767.11	TSL:1	c.4019G>A	p.Ser1340Asn	missense	Exon 29 of 31	ENSP00000326924.7	Q9BY12-1
SCAPER	ENST00000538941.6	TSL:1	c.3281G>A	p.Ser1094Asn	missense	Exon 30 of 32	ENSP00000442190.2	Q9BY12-3

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152194

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152194

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74346

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41452

American (AMR)

AF:

0.0000655

AC:

AN:

15278

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5200

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10614

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68034

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.58

BayesDel_addAF

Uncertain

0.013

BayesDel_noAF

Benign

-0.22

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.017

Eigen

Pathogenic

0.89

Eigen_PC

Pathogenic

0.88

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.95

M_CAP

Benign

0.016

MetaRNN

Pathogenic

0.81

MetaSVM

Benign

-0.68

MutationAssessor

Uncertain

2.7

PhyloP100

7.5

PrimateAI

Uncertain

0.67

PROVEAN

Benign

-2.1

REVEL

Benign

0.27

Sift

Pathogenic

0.0

Sift4G

Uncertain

0.0090

Vest4

0.91

MVP

0.54

MPC

0.95

ClinPred

0.99

GERP RS

5.8

Varity_R

0.64

gMVP

0.63

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over