chr19-54127382-C-A

Variant names:

• chr19-54127382-C-A
• rs254271
• NM_015629.4:c.946-691C>A

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BS1 BS2

The NM_015629.4(PRPF31):​c.946-691C>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000395 in 152,028 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.00039 (1 hom., cov: 31)
• Consequence: PRPF31 NM_015629.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -2.92
• Publications: 16 publications found

Genes affected

PRPF31 (HGNC:15446): (pre-mRNA processing factor 31) This gene encodes a component of the spliceosome complex and is one of several retinitis pigmentosa-causing genes. When the gene product is added to the spliceosome complex, activation occurs.[provided by RefSeq, Jan 2009]

PRPF31 Gene-Disease associations (from GenCC):

• PRPF31-related retinopathy

  Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
• retinitis pigmentosa 11

  Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
• retinitis pigmentosa

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Benign. The variant received -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.93).
• BS1: Variant frequency is greater than expected in population sas. GnomAd4 allele frequency = 0.000395 (60/152028) while in subpopulation SAS AF = 0.0112 (54/4820). AF 95% confidence interval is 0.00882. There are 1 homozygotes in GnomAd4. There are 45 alleles in the male GnomAd4 subpopulation. Median coverage is 31. This position passed quality control check.
• BS2: High AC in GnomAd4 at 60 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PRPF31	NM_015629.4	c.946-691C>A		intron_variant	Intron 9 of 13	ENST00000321030.9	NP_056444.3
PRPF31	XM_006723137.5	c.946-691C>A		intron_variant	Intron 9 of 13		XP_006723200.1
PRPF31	XM_047438587.1	c.974-691C>A		intron_variant	Intron 9 of 9		XP_047294543.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PRPF31	ENST00000321030.9	c.946-691C>A		intron_variant	Intron 9 of 13	1	NM_015629.4	ENSP00000324122.4

Frequencies

GnomAD3 genomes AF: 0.000402 AC: 61 AN: 151910 Hom.: 1 Cov.: 31

Gnomad AFR AF: 0.0000484

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000197

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.0114

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000147

Gnomad OTH AF: 0.00

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.000395 AC: 60 AN: 152028 Hom.: 1 Cov.: 31 AF XY: 0.000606 AC XY: 45 AN XY: 74292

African (AFR) AF: 0.0000482 AC: 2 AN: 41456

American (AMR) AF: 0.000196 AC: 3 AN: 15272

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5160

South Asian (SAS) AF: 0.0112 AC: 54 AN: 4820

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10566

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 67974

Other (OTH) AF: 0.00 AC: 0 AN: 2112

Alfa AF: 0.00 Hom.: 1288

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.93
CADD	Benign	0.096
PhyloP100		-2.9
Mutation Taster		=100/0	polymorphism

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

Other links and lift over

dbSNP: rs254271; hg19: chr19-54630757;