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rs187110381

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_022042.4(SLC26A1):c.1549G>T(p.Gly517Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000637 in 1,569,370 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. G517R) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 35)
Exomes 𝑓: 0.0000064 ( 0 hom. )

Consequence

SLC26A1
NM_022042.4 missense

Scores

1
9
8

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.0560
Variant links:
Genes affected
SLC26A1 (HGNC:10993): (solute carrier family 26 member 1) This gene is a member of a family of sulfate/anion transporter genes. Family members are well conserved in their genomic (number and size of exons) and protein (aa length among species) structures, but have markedly different tissue expression patterns. This gene is primarily expressed in the liver, pancreas, and brain. Three splice variants that encode different isoforms have been identified. [provided by RefSeq, Jul 2008]
IDUA (HGNC:5391): (alpha-L-iduronidase) This gene encodes an enzyme that hydrolyzes the terminal alpha-L-iduronic acid residues of two glycosaminoglycans, dermatan sulfate and heparan sulfate. This hydrolysis is required for the lysosomal degradation of these glycosaminoglycans. Mutations in this gene that result in enzymatic deficiency lead to the autosomal recessive disease mucopolysaccharidosis type I (MPS I). [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC26A1NM_022042.4 linkuse as main transcriptc.1549G>T p.Gly517Trp missense_variant 3/3 ENST00000398516.3
IDUANM_000203.5 linkuse as main transcriptc.299+1441C>A intron_variant ENST00000514224.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC26A1ENST00000398516.3 linkuse as main transcriptc.1549G>T p.Gly517Trp missense_variant 3/31 NM_022042.4 P1Q9H2B4-1
IDUAENST00000514224.2 linkuse as main transcriptc.299+1441C>A intron_variant 2 NM_000203.5 P1P35475-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152262
Hom.:
0
Cov.:
35
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000115
AC:
2
AN:
173892
Hom.:
0
AF XY:
0.0000107
AC XY:
1
AN XY:
93366
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000284
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000635
AC:
9
AN:
1417108
Hom.:
0
Cov.:
72
AF XY:
0.00000571
AC XY:
4
AN XY:
700984
show subpopulations
Gnomad4 AFR exome
AF:
0.00
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:
0.00000826
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152262
Hom.:
0
Cov.:
35
AF XY:
0.00
AC XY:
0
AN XY:
74386
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000227
ExAC
AF:
0.0000170
AC:
2

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.24
BayesDel_addAF
Uncertain
0.016
T
BayesDel_noAF
Benign
-0.14
Cadd
Benign
20
Dann
Uncertain
0.99
DEOGEN2
Benign
0.20
T;T
Eigen
Benign
-0.10
Eigen_PC
Benign
-0.30
FATHMM_MKL
Benign
0.31
N
M_CAP
Pathogenic
0.56
D
MetaRNN
Uncertain
0.56
D;D
MetaSVM
Uncertain
0.16
D
MutationAssessor
Uncertain
2.3
M;M
MutationTaster
Benign
1.0
N;N;N;N;N
PrimateAI
Uncertain
0.49
T
PROVEAN
Benign
-2.0
N;N
REVEL
Uncertain
0.47
Sift
Uncertain
0.0070
D;D
Sift4G
Uncertain
0.015
D;D
Polyphen
0.99
D;D
Vest4
0.35
MutPred
0.57
Gain of MoRF binding (P = 0.0691);Gain of MoRF binding (P = 0.0691);
MVP
0.90
MPC
0.53
ClinPred
0.65
D
GERP RS
3.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.099
gMVP
0.60

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: rs187110381; hg19: chr4-983178; API