NM_025137.4(SPG11):c.5564T>C (p.Leu1855Ser) AND Hereditary spastic paraplegia 11

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Oct 8, 2021
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:: RCV001894206.3

Allele description [Variation Report for NM_025137.4(SPG11):c.5564T>C (p.Leu1855Ser)]

NM_025137.4(SPG11):c.5564T>C (p.Leu1855Ser)

Gene:

SPG11:SPG11 vesicle trafficking associated, spatacsin [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

15q21.1

Genomic location:

Preferred name:

NM_025137.4(SPG11):c.5564T>C (p.Leu1855Ser)

HGVS:

NC_000015.10:g.44584116A>G
NG_008885.1:g.84563T>C
NM_001160227.2:c.5564T>C
NM_025137.4:c.5564T>CMANE SELECT
NP_001153699.1:p.Leu1855Ser
NP_079413.3:p.Leu1855Ser
NC_000015.9:g.44876314A>G
NM_025137.3:c.5564T>C

Protein change:

L1855S

Links:

dbSNP: rs138009927

NCBI 1000 Genomes Browser:

rs138009927

Molecular consequence:

NM_001160227.2:c.5564T>C - missense variant - [Sequence Ontology: SO:0001583]
NM_025137.4:c.5564T>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hereditary spastic paraplegia 11
Synonyms:: SPASTIC PARAPLEGIA, AUTOSOMAL RECESSIVE, COMPLICATED, WITH THIN CORPUS CALLOSUM; SPASTIC PARAPLEGIA, AUTOSOMAL RECESSIVE, WITH MENTAL IMPAIRMENT AND THIN CORPUS CALLOSUM; Spastic paraplegia 11, autosomal recessive; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0011445; MedGen: C1858479; Orphanet: 2822; OMIM: 604360

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002120199	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Oct 8, 2021)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002120199

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Oct 8, 2021)

germline

clinical testing

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

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

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, SCV002120199.2

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

Description

This sequence change replaces leucine with serine at codon 1855 of the SPG11 protein (p.Leu1855Ser). The leucine residue is highly conserved and there is a large physicochemical difference between leucine and serine. This variant is present in population databases (rs138009927, ExAC 0.004%). This variant has not been reported in the literature in individuals affected with SPG11-related conditions. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt SPG11 protein function. 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.

#	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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