Genetic Variant PAPSS2:p.Ser92Ser (chr10-87713205-T-G) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_001015880.2(PAPSS2):c.276T>G(p.Ser92Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000548 in 1,460,306 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. Synonymous variant affecting the same amino acid position (i.e. S92S) has been classified as Benign.

Frequency

Genomes: not found (cov: 28)

Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

PAPSS2
NM_001015880.2 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.249

Publications

0 publications found

Variant links:

Genes affected

PAPSS2 (HGNC:8604): (3'-phosphoadenosine 5'-phosphosulfate synthase 2) Sulfation is a common modification of endogenous (lipids, proteins, and carbohydrates) and exogenous (xenobiotics and drugs) compounds. In mammals, the sulfate source is 3'-phosphoadenosine 5'-phosphosulfate (PAPS), created from ATP and inorganic sulfate. Two different tissue isoforms encoded by different genes synthesize PAPS. This gene encodes one of the two PAPS synthetases. Defects in this gene cause the Pakistani type of spondyloepimetaphyseal dysplasia. Two alternatively spliced transcript variants that encode different isoforms have been described for this gene. [provided by RefSeq, Jul 2008]

PAPSS2 Gene-Disease associations (from GenCC):

spondyloepimetaphyseal dysplasia, PAPSS2 type
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Orphanet, Ambry Genetics
autosomal recessive brachyolmia
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

PAPSS2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.79).

BP7

Synonymous conserved (PhyloP=-0.249 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PAPSS2	NM_001015880.2 link	c.276T>G	p.Ser92Ser	synonymous_variant	Exon 3 of 13	ENST00000456849.2	NP_001015880.1	O95340-2
PAPSS2	NM_004670.4 link	c.276T>G	p.Ser92Ser	synonymous_variant	Exon 3 of 12		NP_004661.2	O95340-1Q5TB52

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
PAPSS2	ENST00000456849.2 link	c.276T>G	p.Ser92Ser	synonymous_variant	Exon 3 of 13	1	NM_001015880.2	ENSP00000406157.1	O95340-2
PAPSS2	ENST00000361175.8 link	c.276T>G	p.Ser92Ser	synonymous_variant	Exon 3 of 12	1		ENSP00000354436.4	O95340-1
PAPSS2	ENST00000482258.1 link	n.319T>G		non_coding_transcript_exon_variant	Exon 3 of 3	5
PAPSS2	ENST00000465996.5 link	n.*23T>G		downstream_gene_variant		2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000548

AC:

AN:

1460306

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726498

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33414

American (AMR)

AF:

0.00

AC:

AN:

44670

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26104

East Asian (EAS)

AF:

0.00

AC:

AN:

39624

South Asian (SAS)

AF:

0.00

AC:

AN:

86232

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53252

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.00000720

AC:

AN:

1110944

Other (OTH)

AF:

0.00

AC:

AN:

60304

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.412

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.79

CADD

Benign

7.6

(source)

DANN

Benign

0.67

PhyloP100

-0.25

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over