11-86807686-C-T

Variant summary

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

The NM_007173.6(PRSS23):c.43C>T(p.Leu15Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,688 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: PRSS23 NM_007173.6 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.38

Genes affected

PRSS23 (HGNC:14370): (serine protease 23) This gene encodes a conserved member of the trypsin family of serine proteases. Mouse studies found a decrease of mRNA levels of this gene after ovulation was induced. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jun 2014]

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=0.13541552).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
PRSS23	NM_007173.6	c.43C>T	p.Leu15Phe	missense_variant	2/2	ENST00000280258.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
PRSS23	ENST00000280258.6	c.43C>T	p.Leu15Phe	missense_variant	2/2	1	NM_007173.6	P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461688 Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1 AN XY: 727156

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: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00

Gnomad4 OTH exome AF: 0.0000166

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Apr 08, 2022

The c.43C>T (p.L15F) alteration is located in exon 2 (coding exon 1) of the PRSS23 gene. This alteration results from a C to T substitution at nucleotide position 43, causing the leucine (L) at amino acid position 15 to be replaced by a phenylalanine (F). 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	0.063
BayesDel_addAF	Benign	-0.028	T
BayesDel_noAF	Benign	-0.28
Cadd	Benign	18
Dann	Uncertain	1.0
DEOGEN2	Benign	0.035	T;T
Eigen	Benign	-0.20
Eigen_PC	Benign	-0.11
FATHMM_MKL	Benign	0.47	N
LIST_S2	Benign	0.44	T;T
M_CAP	Benign	0.0054	T
MetaRNN	Benign	0.14	T;T
MetaSVM	Benign	-1.0	T
MutationTaster	Benign	0.96	D;D;D
PrimateAI	Benign	0.39	T
PROVEAN	Benign	-1.4	N;N
REVEL	Benign	0.039
Sift	Benign	0.098	T;T
Sift4G	Benign	0.23	T;T
Polyphen		0.44	.;B
Vest4		0.10
MutPred		0.24		Loss of helix (P = 0.0626);Loss of helix (P = 0.0626);
MVP		0.39
MPC		0.20
ClinPred		0.30	T
GERP RS		4.9
Varity_R		0.058
gMVP		0.34

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: rs751626725; hg19: chr11-86518728;