Genetic Variant PSORS1C1:c.168-57C>T (chr6-31139584-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_014068.3(PSORS1C1):c.168-57C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000708 in 1,413,018 control chromosomes in the GnomAD database, with no homozygous occurrence. 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: not found (cov: 31)

Exomes 𝑓: 7.1e-7 ( 0 hom. )

Consequence

PSORS1C1
NM_014068.3 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.165

Publications

0 publications found

Variant links:

Genes affected

PSORS1C1 (HGNC:17202): (psoriasis susceptibility 1 candidate 1) This gene is one of several genes thought to confer susceptibility to psoriasis and systemic sclerosis, located on chromosome 6 near the major histocompatibility complex (MHC) class I region. [provided by RefSeq, Sep 2011]

PSORS1C1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.78).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PSORS1C1	NM_014068.3 link	c.168-57C>T		intron_variant	Intron 5 of 5	ENST00000259881.10	NP_054787.2	Q9UIG5-1D2IYL0

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PSORS1C1	ENST00000259881.10 link	c.168-57C>T		intron_variant	Intron 5 of 5	1	NM_014068.3	ENSP00000259881.9		Q9UIG5-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

7.08e-7

AC:

AN:

1413018

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

699014

show subpopulations

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

African (AFR)

AF:

0.00

AC:

AN:

32580

American (AMR)

AF:

0.00

AC:

AN:

43150

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24436

East Asian (EAS)

AF:

0.00

AC:

AN:

39072

South Asian (SAS)

AF:

0.0000122

AC:

AN:

81722

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47602

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4352

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1081606

Other (OTH)

AF:

0.00

AC:

AN:

58498

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.275

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.78

CADD

Benign

4.5

(source)

DANN

Benign

0.87

PhyloP100

-0.17

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over