3-52706151-C-T

Variant names:

• chr3-52706151-C-T
• rs950125332
• ENST00000233025.11:c.106C>T

Variant summary

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

The ENST00000233025.11(SPCS1):​c.106C>T​(p.Gln36*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000719 in 1,390,612 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Variant results in nonsense mediated mRNA decay.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 7.2e-7 (0 hom.)
• Consequence: SPCS1 ENST00000233025.11 stop_gained
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.0460

Genes affected

SPCS1 (HGNC:23401): (signal peptidase complex subunit 1) Predicted to enable peptidase activity and ribosome binding activity. Involved in viral protein processing and virion assembly. Is integral component of endoplasmic reticulum membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SPCS1	NM_014041.5	c.-96C>T		5_prime_UTR_variant	Exon 1 of 4	ENST00000619898.5	NP_054760.4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SPCS1	ENST00000619898	c.-96C>T		5_prime_UTR_variant	Exon 1 of 4	1	NM_014041.5	ENSP00000478310.2

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 7.19e-7 AC: 1 AN: 1390612 Hom.: 0 Cov.: 30 AF XY: 0.00000146 AC XY: 1 AN XY: 686620

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: 9.26e-7

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Uncertain	0.12	D
BayesDel_noAF	Uncertain	-0.070
CADD	Benign	6.9
DANN	Uncertain	0.98
Eigen	Benign	-0.089
Eigen_PC	Benign	-0.47
FATHMM_MKL	Benign	0.060	N
Vest4		0.045
GERP RS		1.1
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.0

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: rs950125332; hg19: chr3-52740167;