NM_001368809.2(AMPD2):c.143C>T (p.Pro48Leu) AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Mar 3, 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:: RCV001358810.3

Allele description [Variation Report for NM_001368809.2(AMPD2):c.143C>T (p.Pro48Leu)]

NM_001368809.2(AMPD2):c.143C>T (p.Pro48Leu)

Gene:

AMPD2:adenosine monophosphate deaminase 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

1p13.3

Genomic location:

Preferred name:

NM_001368809.2(AMPD2):c.143C>T (p.Pro48Leu)

HGVS:

NC_000001.11:g.109625354C>T
NG_034075.1:g.10542C>T
NM_001257361.2:c.-50C>T
NM_001308170.1:c.160-308C>T
NM_001368809.2:c.143C>TMANE SELECT
NM_004037.6:c.305C>T
NM_004037.9:c.143C>T
NM_139156.4:c.62C>T
NP_001355738.1:p.Pro48Leu
NP_004028.4:p.Pro48Leu
NP_631895.1:p.Pro21Leu
NC_000001.10:g.110167976C>T
NM_001368809.2:c.143C>T

Protein change:

P21L

Links:

dbSNP: rs770051774

NCBI 1000 Genomes Browser:

rs770051774

Molecular consequence:

NM_001257361.2:c.-50C>T - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
NM_001308170.1:c.160-308C>T - intron variant - [Sequence Ontology: SO:0001627]
NM_001368809.2:c.143C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_004037.9:c.143C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_139156.4:c.62C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hereditary spastic paraplegia 63
Synonyms:: Spastic paraplegia 63, autosomal recessive
Identifiers:: MONDO: MONDO:0014305; MedGen: C3810295; Orphanet: 401805; OMIM: 615686

Name:: Pontocerebellar hypoplasia type 9
Identifiers:: MONDO: MONDO:0014351; MedGen: C4014354; Orphanet: 369920; OMIM: 615809

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001554662	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Mar 3, 2022)	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

SCV001554662

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Mar 3, 2022)

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 Invitae, SCV001554662.3

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

Description

ClinVar contains an entry for this variant (Variation ID: 1050854). 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 are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C15"). This variant has not been reported in the literature in individuals affected with AMPD2-related conditions. This variant is present in population databases (rs770051774, gnomAD 0.006%). This sequence change replaces proline, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 102 of the AMPD2 protein (p.Pro102Leu).

#	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: May 1, 2024

ClinVar

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