rs1558876

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001267727.2(ARSG):​c.707C>A​(p.Thr236Asn) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,460,750 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. 1/1 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. T236S) has been classified as Benign.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

ARSG
NM_001267727.2 missense, splice_region

Scores

16

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.03

Publications

0 publications found
Variant links:
Genes affected
ARSG (HGNC:24102): (arylsulfatase G) The protein encoded by this gene belongs to the sulfatase enzyme family. Sulfatases hydrolyze sulfate esters from sulfated steroids, carbohydrates, proteoglycans, and glycolipids. They are involved in hormone biosynthesis, modulation of cell signaling, and degradation of macromolecules. This protein displays arylsulfatase activity at acidic pH, as is typical of lysosomal sulfatases, and has been shown to localize in the lysosomes. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jun 2012]
ARSG Gene-Disease associations (from GenCC):
  • Usher syndrome, type 4
    Inheritance: AR Classification: STRONG, MODERATE, LIMITED Submitted by: Genomics England PanelApp, G2P, Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • Usher syndrome type 3
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.09680459).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001267727.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ARSG
NM_001267727.2
MANE Select
c.707C>Ap.Thr236Asn
missense splice_region
Exon 7 of 12NP_001254656.1
ARSG
NM_001352899.2
c.707C>Ap.Thr236Asn
missense splice_region
Exon 7 of 13NP_001339828.1
ARSG
NM_001352900.2
c.707C>Ap.Thr236Asn
missense splice_region
Exon 7 of 12NP_001339829.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ARSG
ENST00000621439.5
TSL:5 MANE Select
c.707C>Ap.Thr236Asn
missense splice_region
Exon 7 of 12ENSP00000480910.1
ARSG
ENST00000448504.6
TSL:1
c.707C>Ap.Thr236Asn
missense splice_region
Exon 7 of 12ENSP00000407193.2
ARSG
ENST00000452479.6
TSL:5
c.215C>Ap.Thr72Asn
missense splice_region
Exon 6 of 11ENSP00000413953.2

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
0.00000205
AC:
3
AN:
1460750
Hom.:
0
Cov.:
38
AF XY:
0.00000275
AC XY:
2
AN XY:
726686
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33450
American (AMR)
AF:
0.00
AC:
0
AN:
44690
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26124
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39694
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86184
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53384
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5232
European-Non Finnish (NFE)
AF:
0.00000270
AC:
3
AN:
1111696
Other (OTH)
AF:
0.00
AC:
0
AN:
60296
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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.:
33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.070
BayesDel_addAF
Benign
-0.090
T
BayesDel_noAF
Benign
-0.37
CADD
Benign
18
DANN
Benign
0.87
DEOGEN2
Benign
0.28
T
Eigen
Benign
-0.54
Eigen_PC
Benign
-0.37
FATHMM_MKL
Benign
0.16
N
LIST_S2
Benign
0.56
T
M_CAP
Benign
0.0094
T
MetaRNN
Benign
0.097
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
-0.24
N
PhyloP100
2.0
PrimateAI
Benign
0.33
T
REVEL
Benign
0.065
Sift4G
Benign
0.54
T
Polyphen
0.0040
B
Vest4
0.11
MutPred
0.34
Gain of sheet (P = 0.0344)
MVP
0.68
MPC
0.37
ClinPred
0.84
D
GERP RS
4.2
Varity_R
0.10
gMVP
0.51
Mutation Taster
=86/14
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.11
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs1558876; hg19: chr17-66364691; API