15-33785836-G-T

Variant names:

• chr15-33785836-G-T
• rs770219178
• NM_001036.6:c.9443G>T

Variant summary

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

The NM_001036.6(RYR3):​c.9443G>T​(p.Arg3148Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000868 in 1,613,662 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R3148W) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000089 (0 hom.)
• Consequence: RYR3 NM_001036.6 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.51
• Publications: 0 publications found

Genes affected

RYR3 (HGNC:10485): (ryanodine receptor 3) The protein encoded by this gene is a ryanodine receptor, which functions to release calcium from intracellular storage for use in many cellular processes. For example, the encoded protein is involved in skeletal muscle contraction by releasing calcium from the sarcoplasmic reticulum followed by depolarization of T-tubules. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2011]

RYR3 Gene-Disease associations (from GenCC):

• genetic developmental and epileptic encephalopathy

  Inheritance: AD Classification: LIMITED Submitted by: ClinGen, G2P
• congenital myopathy

  Inheritance: AR Classification: NO_KNOWN Submitted by: ClinGen

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001036.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RYR3	NM_001036.6	MANE Select	c.9443G>T	p.Arg3148Leu	missense	Exon 66 of 104	NP_001027.3
	RYR3	NM_001243996.4		c.9443G>T	p.Arg3148Leu	missense	Exon 66 of 103	NP_001230925.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RYR3	ENST00000634891.2	TSL:1 MANE Select	c.9443G>T	p.Arg3148Leu	missense	Exon 66 of 104	ENSP00000489262.1
	RYR3	ENST00000389232.9	TSL:5	c.9440G>T	p.Arg3147Leu	missense	Exon 66 of 104	ENSP00000373884.5
	RYR3	ENST00000415757.7	TSL:2	c.9443G>T	p.Arg3148Leu	missense	Exon 66 of 103	ENSP00000399610.3

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 151984 Hom.: 0 Cov.: 32

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: 0.0000147

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.0000161 AC: 4 AN: 249034 AF XY: 0.0000148

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.0000290

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000266

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000889 AC: 13 AN: 1461678 Hom.: 0 Cov.: 31 AF XY: 0.00000825 AC XY: 6 AN XY: 727126

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.0000224 AC: 1 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26132

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86256

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53398

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.0000108 AC: 12 AN: 1111848

Other (OTH) AF: 0.00 AC: 0 AN: 60372

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 151984 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74212

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 41338

American (AMR) AF: 0.00 AC: 0 AN: 15258

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

East Asian (EAS) AF: 0.00 AC: 0 AN: 5186

South Asian (SAS) AF: 0.00 AC: 0 AN: 4804

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10606

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 68004

Other (OTH) AF: 0.00 AC: 0 AN: 2092

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Alfa AF: 0.0000219 Hom.: 0

Bravo AF: 0.0000113

ExAC AF: 0.0000165 AC: 2

ClinVar

ClinVar submissions as Germline

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	Epileptic encephalopathy (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.17
BayesDel_addAF	Benign	-0.013	T
BayesDel_noAF	Benign	-0.17
CADD	Benign	19
DANN	Uncertain	0.99
DEOGEN2	Uncertain	0.67	D
Eigen	Benign	-0.18
Eigen_PC	Benign	-0.067
FATHMM_MKL	Uncertain	0.92	D
LIST_S2	Uncertain	0.92	D
M_CAP	Benign	0.063	D
MetaRNN	Uncertain	0.51	D
MetaSVM	Uncertain	0.0094	D
MutationAssessor	Benign	1.1	L
PhyloP100		1.5
PrimateAI	Benign	0.34	T
PROVEAN	Uncertain	-4.2	D
REVEL	Uncertain	0.30
Sift	Benign	0.21	T
Polyphen		0.031	B
Vest4		0.63
MVP		0.52
MPC		0.23
ClinPred		0.42	T
GERP RS		2.3
Varity_R		0.21
gMVP		0.48
Mutation Taster		=65/35	polymorphism

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

Other links and lift over

dbSNP: rs770219178; hg19: chr15-34078037;