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NM_006846.4(SPINK5):c.1526T>C (p.Ile509Thr) AND Ichthyosis linearis circumflexa

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Nov 29, 2019
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:
RCV003596593.2

Allele description [Variation Report for NM_006846.4(SPINK5):c.1526T>C (p.Ile509Thr)]

NM_006846.4(SPINK5):c.1526T>C (p.Ile509Thr)

Gene:
SPINK5:serine peptidase inhibitor Kazal type 5 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
5q32
Genomic location:
Preferred name:
NM_006846.4(SPINK5):c.1526T>C (p.Ile509Thr)
HGVS:
  • NC_000005.10:g.148107083T>C
  • NG_009633.1:g.48112T>C
  • NM_001127698.2:c.1526T>C
  • NM_001127699.2:c.1526T>C
  • NM_006846.4:c.1526T>CMANE SELECT
  • NP_001121170.1:p.Ile509Thr
  • NP_001121171.1:p.Ile509Thr
  • NP_006837.2:p.Ile509Thr
  • NP_006837.2:p.Ile509Thr
  • LRG_110t1:c.1526T>C
  • LRG_110:g.48112T>C
  • LRG_110p1:p.Ile509Thr
  • NC_000005.9:g.147486646T>C
  • NM_006846.3:c.1526T>C
Protein change:
I509T
Links:
dbSNP: rs1268068282
NCBI 1000 Genomes Browser:
rs1268068282
Molecular consequence:
  • NM_001127698.2:c.1526T>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001127699.2:c.1526T>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_006846.4:c.1526T>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Ichthyosis linearis circumflexa
Identifiers:
MONDO: MONDO:0043106; MedGen: C0265962

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000949101Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Nov 29, 2019) 		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 Labcorp Genetics (formerly Invitae), Labcorp, SCV000949101.6

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

Description

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. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The threonine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with SPINK5-related disease. This variant is not present in population databases (ExAC no frequency). This sequence change replaces isoleucine with threonine at codon 509 of the SPINK5 protein (p.Ile509Thr). The isoleucine residue is moderately conserved and there is a moderate physicochemical difference between isoleucine and threonine.

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

Last Updated: Oct 26, 2024