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NM_032634.4(PIGO):c.3104G>A (p.Arg1035His) AND Hyperphosphatasia with intellectual disability syndrome 2

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
May 30, 2022
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:
RCV001244935.6

Allele description [Variation Report for NM_032634.4(PIGO):c.3104G>A (p.Arg1035His)]

NM_032634.4(PIGO):c.3104G>A (p.Arg1035His)

Gene:
PIGO:phosphatidylinositol glycan anchor biosynthesis class O [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
9p13.3
Genomic location:
Preferred name:
NM_032634.4(PIGO):c.3104G>A (p.Arg1035His)
HGVS:
  • NC_000009.12:g.35089416C>T
  • NG_031990.1:g.12186G>A
  • NM_001201484.2:c.1853G>A
  • NM_032634.4:c.3104G>AMANE SELECT
  • NM_152850.4:c.1853G>A
  • NP_001188413.1:p.Arg618His
  • NP_116023.2:p.Arg1035His
  • NP_690577.2:p.Arg618His
  • NC_000009.11:g.35089413C>T
  • NM_032634.3:c.3104G>A
Protein change:
R1035H
Links:
dbSNP: rs763001837
NCBI 1000 Genomes Browser:
rs763001837
Molecular consequence:
  • NM_001201484.2:c.1853G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_032634.4:c.3104G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_152850.4:c.1853G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Hyperphosphatasia with intellectual disability syndrome 2 (HPMRS2)
Synonyms:
GLYCOSYLPHOSPHATIDYLINOSITOL BIOSYNTHESIS DEFECT 6; HYPERPHOSPHATASIA WITH IMPAIRED INTELLECTUAL DEVELOPMENT SYNDROME 2
Identifiers:
MONDO: MONDO:0013882; MedGen: C3553637; Orphanet: 247262; OMIM: 614749

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV001418191Invitae
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(May 30, 2022) 		germlineclinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]
PMID:
28492532
PMCID:
PMC5632818

Details of each submission

From Invitae, SCV001418191.4

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

This sequence change replaces arginine, which is basic and polar, with histidine, which is basic and polar, at codon 1035 of the PIGO protein (p.Arg1035His). This variant is present in population databases (rs763001837, gnomAD 0.002%). This variant has not been reported in the literature in individuals affected with PIGO-related conditions. ClinVar contains an entry for this variant (Variation ID: 969558). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Feb 7, 2023