NM_000203.5(IDUA):c.1681C>T (p.Gln561Ter) AND Mucopolysaccharidosis type 1

Germline classification:: Pathogenic (1 submission)
Last evaluated:: Jul 19, 2020
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV001387945.7

Allele description [Variation Report for NM_000203.5(IDUA):c.1681C>T (p.Gln561Ter)]

NM_000203.5(IDUA):c.1681C>T (p.Gln561Ter)

Gene:

IDUA:alpha-L-iduronidase [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

4p16.3

Genomic location:

Preferred name:

NM_000203.5(IDUA):c.1681C>T (p.Gln561Ter)

HGVS:

NC_000004.12:g.1003579C>T
NG_008103.1:g.21583C>T
NM_000203.5:c.1681C>TMANE SELECT
NM_001363576.1:c.1285C>T
NP_000194.2:p.Gln561Ter
NP_001350505.1:p.Gln429Ter
LRG_1277t1:c.1681C>T
LRG_1277:g.21583C>T
LRG_1277p1:p.Gln561Ter
NC_000004.11:g.997367C>T
NR_110313.1:n.1769C>T

Protein change:

Q429*

Links:

dbSNP: rs752800292

NCBI 1000 Genomes Browser:

rs752800292

Molecular consequence:

NR_110313.1:n.1769C>T - non-coding transcript variant - [Sequence Ontology: SO:0001619]
NM_000203.5:c.1681C>T - nonsense - [Sequence Ontology: SO:0001587]
NM_001363576.1:c.1285C>T - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

Name:: Mucopolysaccharidosis type 1
Synonyms:: Mucopolysaccharidosis type I; MPS 1; Attenuated MPS I (subtype); See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0001586; MedGen: C0023786

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001588713	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Pathogenic (Jul 19, 2020)	germline	clinical testing	PubMed (4) [See all records that cite these PMIDs] 11735025, 21480867, 12559846, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001588713

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Pathogenic
(Jul 19, 2020)

germline

clinical testing

PubMed (4)
[See all records that cite these PMIDs]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Mutational analysis of 85 mucopolysaccharidosis type I families: frequency of known mutations, identification of 17 novel mutations and in vitro expression of missense mutations.

Beesley CE, Meaney CA, Greenland G, Adams V, Vellodi A, Young EP, Winchester BG.

Hum Genet. 2001 Nov;109(5):503-11. Epub 2001 Oct 19.

PubMed [citation]

PMID:: 11735025

Mucopolysaccharidosis I mutations in Chinese patients: identification of 27 novel mutations and 6 cases involving prenatal diagnosis.

Wang X, Zhang W, Shi H, Qiu Z, Meng Y, Yao F, Wei M.

Clin Genet. 2012 May;81(5):443-52. doi: 10.1111/j.1399-0004.2011.01680.x. Epub 2011 May 16. Erratum in: Clin Genet. 2012 May;81(5):501.

PubMed [citation]

PMID:: 21480867

See all PubMed Citations (4)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV001588713.4

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (4)

Description

Loss-of-function variants in IDUA are known to be pathogenic (PMID: 11735025, 21480867). For these reasons, this variant has been classified as Pathogenic. This variant has been observed in individual(s) with mucopolysaccharidosis type I (PMID: 12559846). This variant is not present in population databases (ExAC no frequency). This sequence change creates a premature translational stop signal (p.Gln561*) in the IDUA gene. It is expected to result in an absent or disrupted protein product.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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