NM_006218.4(PIK3CA):c.241G>A (p.Glu81Lys) AND Megalencephaly-capillary malformation-polymicrogyria syndrome

Germline classification:: Likely pathogenic (1 submission)
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

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:: RCV001542570.2

Allele description [Variation Report for NM_006218.4(PIK3CA):c.241G>A (p.Glu81Lys)]

NM_006218.4(PIK3CA):c.241G>A (p.Glu81Lys)

Gene:

PIK3CA:phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

3q26.32

Genomic location:

Preferred name:

NM_006218.4(PIK3CA):c.241G>A (p.Glu81Lys)

HGVS:

NC_000003.12:g.179199066G>A
NG_012113.2:g.55544G>A
NM_006218.4:c.241G>AMANE SELECT
NP_006209.2:p.Glu81Lys
LRG_310t1:c.241G>A
LRG_310:g.55544G>A
NC_000003.11:g.178916854G>A
NM_006218.2:c.241G>A
NM_006218.3:c.241G>A

Protein change:

E81K

Links:

dbSNP: rs1057519929

NCBI 1000 Genomes Browser:

rs1057519929

Molecular consequence:

NM_006218.4:c.241G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Megalencephaly-capillary malformation-polymicrogyria syndrome (MCAP)
Synonyms:: Megalencephaly cutis marmorata telangiectatica congenita; Megalocephaly cutis marmorata telangiectatica congenita; Macrocephaly cutis marmorata telangiectatica congenita; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0011240; MedGen: C1865285; Orphanet: 60040; OMIM: 602501

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001760113	Genomics England Pilot Project, Genomics England	no assertion criteria provided (ACGS Guidelines, 2016)	Likely pathogenic	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001760113

Genomics England Pilot Project, Genomics England

no assertion criteria provided

(ACGS Guidelines, 2016)

Likely pathogenic

germline

clinical testing

Citation Link

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	yes	not provided	not provided	not provided	not provided	not provided	clinical testing

Details of each submission

From Genomics England Pilot Project, Genomics England, SCV001760113.1

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

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Nov 10, 2024

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