rs367752002

Positions:

• chr6-7576347-A-C
• chr6-7576347-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The ENST00000379802.8(DSP):​c.2684A>C​(p.Tyr895Ser) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,814 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign 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. Y895C) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: DSP ENST00000379802.8 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 5.43

Genes affected

DSP (HGNC:3052): (desmoplakin) This gene encodes a protein that anchors intermediate filaments to desmosomal plaques and forms an obligate component of functional desmosomes. Mutations in this gene are the cause of several cardiomyopathies and keratodermas, including skin fragility-woolly hair syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2016]

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.14848101).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
DSP	NM_004415.4	c.2684A>C	p.Tyr895Ser	missense_variant	19/24	ENST00000379802.8	NP_004406.2
DSP	NM_001319034.2	c.2684A>C	p.Tyr895Ser	missense_variant	19/24		NP_001305963.1
DSP	NM_001008844.3	c.2684A>C	p.Tyr895Ser	missense_variant	19/24		NP_001008844.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
DSP	ENST00000379802.8	c.2684A>C	p.Tyr895Ser	missense_variant	19/24	1	NM_004415.4	ENSP00000369129	P2
DSP	ENST00000418664.2	c.2684A>C	p.Tyr895Ser	missense_variant	19/24	1		ENSP00000396591	A2
DSP	ENST00000710359.1	c.2684A>C	p.Tyr895Ser	missense_variant	19/24			ENSP00000518230	A2

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD3 exomes AF: 0.00000398 AC: 1 AN: 251304 Hom.: 0 AF XY: 0.00000736 AC XY: 1 AN XY: 135816

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: 0.0000327

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461814 Hom.: 0 Cov.: 34 AF XY: 0.00000138 AC XY: 1 AN XY: 727210

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.0000116

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 33

ExAC AF: 0.00000824 AC: 1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.17
BayesDel_addAF	Benign	-0.13	T
BayesDel_noAF	Benign	-0.33
CADD	Benign	21
DANN	Benign	0.94
DEOGEN2	Uncertain	0.73	D;.
Eigen	Benign	-0.11
Eigen_PC	Benign	0.15
FATHMM_MKL	Uncertain	0.94	D
LIST_S2	Benign	0.83	T;T
M_CAP	Benign	0.0046	T
MetaRNN	Benign	0.15	T;T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	0.24	N;N
MutationTaster	Benign	0.99	D;D
PrimateAI	Uncertain	0.56	T
PROVEAN	Benign	-1.7	N;N
REVEL	Benign	0.13
Sift	Benign	1.0	T;T
Sift4G	Benign	0.64	T;T
Polyphen		0.010	B;.
Vest4		0.81
MutPred		0.60		Gain of disorder (P = 0.0392);Gain of disorder (P = 0.0392);
MVP		0.50
MPC		0.46
ClinPred		0.40	T
GERP RS		6.0
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1
Varity_R		0.21
gMVP		0.57

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

Other links and lift over

dbSNP: rs367752002; hg19: chr6-7576580;