NM_004329.3(BMPR1A):c.370T>A (p.Cys124Ser) AND Juvenile polyposis syndrome

Germline classification:: Likely pathogenic (1 submission)
Last evaluated:: Jun 24, 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:: RCV002235580.14

Allele description [Variation Report for NM_004329.3(BMPR1A):c.370T>A (p.Cys124Ser)]

NM_004329.3(BMPR1A):c.370T>A (p.Cys124Ser)

Gene:

BMPR1A:bone morphogenetic protein receptor type 1A [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

10q23.2

Genomic location:

Preferred name:

NM_004329.3(BMPR1A):c.370T>A (p.Cys124Ser)

HGVS:

NC_000010.11:g.86899830T>A
NG_009362.1:g.148192T>A
NM_004329.3:c.370T>AMANE SELECT
NP_004320.2:p.Cys124Ser
NP_004320.2:p.Cys124Ser
LRG_298t1:c.370T>A
LRG_298:g.148192T>A
LRG_298p1:p.Cys124Ser
NC_000010.10:g.88659587T>A
NM_004329.2:c.370T>A

Protein change:

C124S

Links:

dbSNP: rs199476087

NCBI 1000 Genomes Browser:

rs199476087

Molecular consequence:

NM_004329.3:c.370T>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Juvenile polyposis syndrome (JPS)
Synonyms:: Polyposis juvenile intestinal; Polyposis familial of entire gastrointestinal tract
Identifiers:: MONDO: MONDO:0017380; MedGen: C0345893; Orphanet: 2929; OMIM: 174900

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000965097	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Likely pathogenic (Jun 24, 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

SCV000965097

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Likely pathogenic
(Jun 24, 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, SCV000965097.4

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

Description

This variant is not present in population databases (ExAC no frequency). This sequence change replaces cysteine with serine at codon 124 of the BMPR1A protein (p.Cys124Ser). The cysteine residue is highly conserved and there is a moderate physicochemical difference between cysteine and serine. This variant has been observed in individual(s) with clinical features of juvenile polyposis syndrome (Invitae). ClinVar contains an entry for this variant (Variation ID: 665840). In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. 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 BMPR1A protein function.

#	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: Oct 26, 2024

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