Genetic Variant SRSF6:p.Arg225Cys (chr20-43460597-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_006275.6(SRSF6):c.673C>T(p.Arg225Cys) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000285 in 1,613,964 control chromosomes in the GnomAD database, with no homozygous occurrence. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000079 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000023 ( 0 hom. )

Consequence

SRSF6
NM_006275.6 missense, splice_region

Scores

Splicing: ADA: 0.0008548

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.365

Variant links:

Genes affected

SRSF6 (HGNC:10788): (serine and arginine rich splicing factor 6) The protein encoded by this gene is involved in mRNA splicing and may play a role in the determination of alternative splicing. The encoded nuclear protein belongs to the splicing factor SR family and has been shown to bind with and modulate another member of the family, SFRS12. Alternative splicing results in multiple transcript variants. In addition, two pseudogenes, one on chromosome 17 and the other on the X chromosome, have been found for this gene.[provided by RefSeq, Sep 2010]

SRSF6 links:

ENSG00000288000 (HGNC:):

ENSG00000288000 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2

High AC in GnomAd4 at 12 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SRSF6	NM_006275.6 link	c.673C>T	p.Arg225Cys	missense_variant, splice_region_variant	Exon 5 of 6	ENST00000244020.5	NP_006266.2	Q13247-1
SRSF6	NR_034009.2 link	n.1079C>T		splice_region_variant, non_coding_transcript_exon_variant	Exon 6 of 7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SRSF6	ENST00000244020.5 link	c.673C>T	p.Arg225Cys	missense_variant, splice_region_variant	Exon 5 of 6	1	NM_006275.6	ENSP00000244020.3		Q13247-1
ENSG00000288000	ENST00000657241.1 link	c.652C>T	p.Arg218Trp	missense_variant, splice_region_variant	Exon 5 of 26			ENSP00000499734.1		A0A590UK80

Frequencies

GnomAD3 genomes

AF:

0.0000789

AC:

AN:

152100

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000193

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

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:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000318

AC:

AN:

251458

Hom.:

AF XY:

0.0000221

AC XY:

AN XY:

135908

show subpopulations

Gnomad AFR exome

AF:

0.000185

Gnomad AMR exome

AF:

0.0000578

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000327

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000176

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000233

AC:

AN:

1461864

Hom.:

Cov.:

AF XY:

0.0000289

AC XY:

AN XY:

727226

show subpopulations

Gnomad4 AFR exome

AF:

0.000269

Gnomad4 AMR exome

AF:

0.0000447

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.0000187

Gnomad4 NFE exome

AF:

0.0000126

Gnomad4 OTH exome

AF:

0.0000993

GnomAD4 genome

AF:

0.0000789

AC:

AN:

152100

Hom.:

Cov.:

AF XY:

0.0000673

AC XY:

AN XY:

74286

show subpopulations

Gnomad4 AFR

AF:

0.000193

Gnomad4 AMR

AF:

0.000131

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000381

Hom.:

Bravo

AF:

0.0000756

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.0000412

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Feb 15, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.673C>T (p.R225C) alteration is located in exon 5 (coding exon 5) of the SRSF6 gene. This alteration results from a C to T substitution at nucleotide position 673, causing the arginine (R) at amino acid position 225 to be replaced by a cysteine (C). 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

0.31

BayesDel_addAF

Benign

-0.29

BayesDel_noAF

Benign

-0.37

CADD

Uncertain

DANN

Uncertain

0.98

DEOGEN2

Uncertain

0.42

Eigen

Benign

-0.050

Eigen_PC

Benign

-0.074

FATHMM_MKL

Uncertain

0.78

LIST_S2

Uncertain

0.94

M_CAP

Benign

0.017

MetaRNN

Uncertain

0.57

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.1

PrimateAI

Uncertain

0.74

PROVEAN

Pathogenic

-5.1

REVEL

Benign

0.14

Sift

Pathogenic

0.0

Sift4G

Uncertain

0.016

Polyphen

1.0

Vest4

0.69

MVP

0.17

MPC

0.10

ClinPred

0.52

GERP RS

2.5

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.50

gMVP

0.56

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.00085

dbscSNV1_RF

Benign

0.062

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

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