dbSNP rs368968234: HS6ST3:p.Pro28Ser (chr13-96090944-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_153456.4(HS6ST3):c.82C>T(p.Pro28Ser) variant causes a missense change. The variant allele was found at a frequency of 0.0000307 in 1,467,504 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00020 ( 0 hom., cov: 30)

Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

HS6ST3
NM_153456.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.02

Publications

1 publications found

Variant links:

Genes affected

HS6ST3 (HGNC:19134): (heparan sulfate 6-O-sulfotransferase 3) Heparan sulfate (HS) sulfotransferases, such as HS6ST3, modify HS to generate structures required for interactions between HS and a variety of proteins. These interactions are implicated in proliferation and differentiation, adhesion, migration, inflammation, blood coagulation, and other diverse processes (Habuchi et al., 2000 [PubMed 10644753]).[supplied by OMIM, Mar 2008]

HS6ST3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BS2

High AC in GnomAd4 at 30 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HS6ST3	NM_153456.4 link	c.82C>T	p.Pro28Ser	missense_variant	Exon 1 of 2	ENST00000376705.4	NP_703157.2	Q8IZP7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
HS6ST3	ENST00000376705.4 link	c.82C>T	p.Pro28Ser	missense_variant	Exon 1 of 2	1	NM_153456.4	ENSP00000365895.2		Q8IZP7

Frequencies

GnomAD3 genomes

AF:

0.000200

AC:

AN:

150350

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000727

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000443

AC:

AN:

180492

AF XY:

0.0000298

show subpopulations

Gnomad AFR exome

AF:

0.000575

Gnomad AMR exome

AF:

0.0000920

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000114

AC:

AN:

1317046

Hom.:

Cov.:

AF XY:

0.0000137

AC XY:

AN XY:

654776

show subpopulations

African (AFR)

AF:

0.000292

AC:

AN:

27402

American (AMR)

AF:

0.000162

AC:

AN:

30896

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

21426

East Asian (EAS)

AF:

0.00

AC:

AN:

30140

South Asian (SAS)

AF:

0.00

AC:

AN:

68022

European-Finnish (FIN)

AF:

0.00

AC:

AN:

48484

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5168

European-Non Finnish (NFE)

AF:

9.68e-7

AC:

AN:

1033414

Other (OTH)

AF:

0.0000192

AC:

AN:

52094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000199

AC:

AN:

150458

Hom.:

Cov.:

AF XY:

0.0000816

AC XY:

AN XY:

73506

show subpopulations

African (AFR)

AF:

0.000725

AC:

AN:

41366

American (AMR)

AF:

0.00

AC:

AN:

15138

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3462

East Asian (EAS)

AF:

0.00

AC:

AN:

5080

South Asian (SAS)

AF:

0.00

AC:

AN:

4810

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9874

Middle Eastern (MID)

AF:

0.00

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67442

Other (OTH)

AF:

0.00

AC:

AN:

2084

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000214

Hom.:

Bravo

AF:

0.000185

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000578

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

May 19, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.82C>T (p.P28S) alteration is located in exon 1 (coding exon 1) of the HS6ST3 gene. This alteration results from a C to T substitution at nucleotide position 82, causing the proline (P) at amino acid position 28 to be replaced by a serine (S). 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

0.15

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Uncertain

-0.080

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.053

Eigen

Uncertain

0.33

Eigen_PC

Uncertain

0.32

FATHMM_MKL

Uncertain

0.94

LIST_S2

Benign

0.58

M_CAP

Pathogenic

0.94

MetaRNN

Uncertain

0.47

MetaSVM

Uncertain

0.22

MutationAssessor

Benign

0.69

PhyloP100

6.0

PrimateAI

Uncertain

0.79

PROVEAN

Uncertain

-3.1

REVEL

Uncertain

0.58

Sift

Pathogenic

0.0

Sift4G

Uncertain

0.010

Polyphen

1.0

Vest4

0.51

MVP

0.39

MPC

0.53

ClinPred

0.30

GERP RS

3.3

Varity_R

0.66

gMVP

0.74

Mutation Taster

=63/37

polymorphism

(source)

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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rs368968234

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over