Genetic Variant RAPSN:p.Ser406Ser (chr11-47437996-G-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4BP6_ModerateBP7

The NM_005055.5(RAPSN):c.1218C>T(p.Ser406Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000715 in 1,398,342 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 7.2e-7 ( 0 hom. )

Consequence

RAPSN
NM_005055.5 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.23

Publications

0 publications found

Variant links:

Genes affected

RAPSN (HGNC:9863): (receptor associated protein of the synapse) This gene encodes a member of a family of proteins that are receptor associated proteins of the synapse. The encoded protein contains a conserved cAMP-dependent protein kinase phosphorylation site, and plays a critical role in clustering and anchoring nicotinic acetylcholine receptors at synaptic sites by linking the receptors to the underlying postsynaptic cytoskeleton, possibly by direct association with actin or spectrin. Mutations in this gene may play a role in postsynaptic congenital myasthenic syndromes. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Apr 2011]

RAPSN Gene-Disease associations (from GenCC):

fetal akinesia deformation sequence 2
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae)
neuromuscular disease
Inheritance: AR Classification: DEFINITIVE Submitted by: Ambry Genetics
congenital myasthenic syndrome 11
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia, Genomics England PanelApp
fetal akinesia deformation sequence 1
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
postsynaptic congenital myasthenic syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

RAPSN links:

LOC124902673 (HGNC:):

LOC124902673 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (REVEL=0.254).

BP6

Variant 11-47437996-G-A is Benign according to our data. Variant chr11-47437996-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 2938648.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=1.23 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RAPSN	NM_005055.5 link	c.1218C>T	p.Ser406Ser	synonymous_variant	Exon 8 of 8	ENST00000298854.7	NP_005046.2	Q13702-1A0A0S2Z4F8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
RAPSN	ENST00000298854.7 link	c.1218C>T	p.Ser406Ser	synonymous_variant	Exon 8 of 8	1	NM_005055.5	ENSP00000298854.2	Q13702-1
RAPSN	ENST00000352508.7 link	c.1041C>T	p.Ser347Ser	synonymous_variant	Exon 6 of 6	1		ENSP00000298853.3	Q13702-2
RAPSN	ENST00000524487.5 link	c.1059C>T	p.Ser353Ser	synonymous_variant	Exon 7 of 7	5		ENSP00000435551.2	E9PJP9
RAPSN	ENST00000528356.1 link	n.173C>T		non_coding_transcript_exon_variant	Exon 2 of 2	3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000639

AC:

AN:

156408

AF XY:

0.0000122

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000883

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

7.15e-7

AC:

AN:

1398342

Hom.:

Cov.:

AF XY:

0.00000145

AC XY:

AN XY:

689660

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31560

American (AMR)

AF:

0.00

AC:

AN:

35704

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25182

East Asian (EAS)

AF:

0.0000280

AC:

AN:

35740

South Asian (SAS)

AF:

0.00

AC:

AN:

79178

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49284

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4822

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1078972

Other (OTH)

AF:

0.00

AC:

AN:

57900

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.:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Fetal akinesia deformation sequence 1;C4225367:Congenital myasthenic syndrome 11

Benign:1

Mar 13, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.45

CADD

Benign

(source)

DANN

Benign

0.91

PhyloP100

1.2

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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chr11-47437996-G-A

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