NM_000046.5:c.903C>T

Variant names:

Variant summary

Our verdict is Benign. The variant received -11 ACMG points: 0P and 11B. BP4_StrongBP6_ModerateBP7BS1

The NM_000046.5(ARSB):c.903C>T(p.Asn301Asn) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000232 in 1,614,038 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.00097 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00016 ( 0 hom. )

Consequence

ARSB
NM_000046.5 synonymous

Scores

Clinical Significance

Benign criteria provided, single submitter B:3

Conservation

PhyloP100: -0.719

Publications

7 publications found

Variant links:

Genes affected

ARSB (HGNC:714): (arylsulfatase B) Arylsulfatase B encoded by this gene belongs to the sulfatase family. The arylsulfatase B homodimer hydrolyzes sulfate groups of N-Acetyl-D-galactosamine, chondriotin sulfate, and dermatan sulfate. The protein is targeted to the lysozyme. Mucopolysaccharidosis type VI is an autosomal recessive lysosomal storage disorder resulting from a deficiency of arylsulfatase B. Two alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Dec 2016]

ARSB Gene-Disease associations (from GenCC):

mucopolysaccharidosis type 6
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: PanelApp Australia, Genomics England PanelApp, Illumina, Labcorp Genetics (formerly Invitae), G2P, ClinGen

ARSB links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -11 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.55).

BP6

Variant 5-78885823-G-A is Benign according to our data. Variant chr5-78885823-G-A is described in CliVar as Benign. Clinvar id is 558774.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr5-78885823-G-A is described in CliVar as Benign. Clinvar id is 558774.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr5-78885823-G-A is described in CliVar as Benign. Clinvar id is 558774.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr5-78885823-G-A is described in CliVar as Benign. Clinvar id is 558774.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr5-78885823-G-A is described in CliVar as Benign. Clinvar id is 558774.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr5-78885823-G-A is described in CliVar as Benign. Clinvar id is 558774.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-0.719 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000966 (147/152152) while in subpopulation AFR AF = 0.00335 (139/41490). AF 95% confidence interval is 0.0029. There are 0 homozygotes in GnomAd4. There are 77 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ARSB	NM_000046.5 link	c.903C>T	p.Asn301Asn	synonymous_variant	Exon 5 of 8	ENST00000264914.10	NP_000037.2	P15848-1A0A024RAJ9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ARSB	ENST00000264914.10 link	c.903C>T	p.Asn301Asn	synonymous_variant	Exon 5 of 8	1	NM_000046.5	ENSP00000264914.4	P15848-1
ARSB	ENST00000396151.7 link	c.903C>T	p.Asn301Asn	synonymous_variant	Exon 6 of 8	1		ENSP00000379455.3	P15848-2
ARSB	ENST00000565165.2 link	c.903C>T	p.Asn301Asn	synonymous_variant	Exon 5 of 5	1		ENSP00000456339.2	A0A2U3U034
ARSB	ENST00000521800.2 link	n.85C>T		non_coding_transcript_exon_variant	Exon 2 of 3	2

Frequencies

GnomAD3 genomes

AF:

0.000973

AC:

148

AN:

152034

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00336

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000735

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000247

AC:

AN:

250848

AF XY:

0.000184

show subpopulations

Gnomad AFR exome

AF:

0.00324

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad FIN exome

AF:

0.0000462

Gnomad NFE exome

AF:

0.00000882

Gnomad OTH exome

AF:

0.000816

GnomAD4 exome

AF:

0.000155

AC:

227

AN:

1461886

Hom.:

Cov.:

AF XY:

0.000124

AC XY:

AN XY:

727248

show subpopulations

African (AFR)

AF:

0.00439

AC:

147

AN:

33478

American (AMR)

AF:

0.0000447

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000348

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.0000187

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000495

AC:

AN:

1112008

Other (OTH)

AF:

0.000298

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.467

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

AF:

0.000966

AC:

147

AN:

152152

Hom.:

Cov.:

AF XY:

0.00104

AC XY:

AN XY:

74380

show subpopulations

African (AFR)

AF:

0.00335

AC:

139

AN:

41490

American (AMR)

AF:

0.000131

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.000193

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10584

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000735

AC:

AN:

68012

Other (OTH)

AF:

0.00

AC:

AN:

2106

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.000614

Hom.:

Bravo

AF:

0.00108

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.0000545

EpiControl

AF:

0.0000593

ClinVar

Significance: Benign

Submissions summary: Benign:3

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Mucopolysaccharidosis type 6

Benign:1

Feb 02, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

ARSB-related disorder

Benign:1

Aug 08, 2024

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

not provided

Benign:1

May 16, 2017

Mayo Clinic Laboratories, Mayo Clinic

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.55

CADD

Benign

1.1

(source)

DANN

Benign

0.65

PhyloP100

-0.72

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

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over