chr5-78985082-C-T

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_000046.5(ARSB):​c.167G>A​(p.Gly56Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000723 in 1,382,308 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 7.2e-7 ( 0 hom. )

Consequence

ARSB
NM_000046.5 missense

Scores

16
2
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.39
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.99

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ARSBNM_000046.5 linkuse as main transcriptc.167G>A p.Gly56Asp missense_variant 1/8 ENST00000264914.10 NP_000037.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ARSBENST00000264914.10 linkuse as main transcriptc.167G>A p.Gly56Asp missense_variant 1/81 NM_000046.5 ENSP00000264914 P1P15848-1
ARSBENST00000396151.7 linkuse as main transcriptc.167G>A p.Gly56Asp missense_variant 2/81 ENSP00000379455 P15848-2
ARSBENST00000565165.2 linkuse as main transcriptc.167G>A p.Gly56Asp missense_variant 1/51 ENSP00000456339
ARSBENST00000521117.1 linkuse as main transcript downstream_gene_variant 3 ENSP00000428611

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
7.23e-7
AC:
1
AN:
1382308
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
685488
show subpopulations
Gnomad4 AFR exome
AF:
0.0000349
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Mucopolysaccharidosis type 6 Uncertain:1
Uncertain significance, criteria provided, single submittercurationLaboratory of Diagnosis and Therapy of Lysosomal Disorders, University of PadovaJan 01, 2018Absent from GnomAD (PM2); -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.99
BayesDel_addAF
Pathogenic
0.67
D
BayesDel_noAF
Pathogenic
0.72
CADD
Pathogenic
32
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.97
D;.;.
Eigen
Pathogenic
0.89
Eigen_PC
Pathogenic
0.76
FATHMM_MKL
Uncertain
0.92
D
LIST_S2
Pathogenic
0.98
D;D;D
M_CAP
Pathogenic
0.99
D
MetaRNN
Pathogenic
0.99
D;D;D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Pathogenic
4.2
H;H;.
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.95
D
PROVEAN
Pathogenic
-6.4
D;D;D
REVEL
Pathogenic
0.98
Sift
Pathogenic
0.0
D;D;D
Sift4G
Pathogenic
0.0
D;D;D
Polyphen
1.0
D;.;.
Vest4
0.99
MutPred
0.92
Gain of sheet (P = 0.0477);Gain of sheet (P = 0.0477);Gain of sheet (P = 0.0477);
MVP
0.99
MPC
1.0
ClinPred
1.0
D
GERP RS
4.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
1.0
gMVP
0.99

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

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs1554032211; hg19: chr5-78280905; API