NM_024596.5(MCPH1):c.2199C>G (p.His733Gln) AND Microcephaly 1, primary, autosomal recessive

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jan 13, 2018
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:: RCV001158397.4

Allele description [Variation Report for NM_024596.5(MCPH1):c.2199C>G (p.His733Gln)]

NM_024596.5(MCPH1):c.2199C>G (p.His733Gln)

Genes:

ANGPT2:angiopoietin 2 [Gene - OMIM - HGNC]
MCPH1:microcephalin 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

8p23.1

Genomic location:

Preferred name:

NM_024596.5(MCPH1):c.2199C>G (p.His733Gln)

HGVS:

NC_000008.11:g.6499914C>G
NG_016619.2:g.98323C>G
NG_016619.3:g.98289C>G
NG_029483.1:g.68350G>C
NM_001118887.2:c.*3187G>CMANE SELECT
NM_001118888.2:c.*3187G>C
NM_001147.3:c.*3187G>C
NM_001322042.2:c.2199C>G
NM_001363979.1:c.2199C>G
NM_001363980.2:c.1935+44662C>G
NM_001386335.1:c.*3187G>C
NM_001386336.1:c.*3335G>C
NM_001386337.1:c.*3335G>C
NM_001410916.1:c.2199C>G
NM_001410917.1:c.2199C>G
NM_024596.5:c.2199C>GMANE SELECT
NP_001308971.2:p.His733Gln
NP_001350908.1:p.His733Gln
NP_001397845.1:p.His733Gln
NP_001397846.1:p.His733Gln
NP_078872.3:p.His733Gln
NC_000008.10:g.6357435C>G
NC_000008.10:g.6357435C>G
NM_024596.3:c.2199C>G

Protein change:

H733Q

Links:

dbSNP: rs202015253

NCBI 1000 Genomes Browser:

rs202015253

Molecular consequence:

NM_001118887.2:c.*3187G>C - 3 prime UTR variant - [Sequence Ontology: SO:0001624]
NM_001118888.2:c.*3187G>C - 3 prime UTR variant - [Sequence Ontology: SO:0001624]
NM_001147.3:c.*3187G>C - 3 prime UTR variant - [Sequence Ontology: SO:0001624]
NM_001386335.1:c.*3187G>C - 3 prime UTR variant - [Sequence Ontology: SO:0001624]
NM_001386336.1:c.*3335G>C - 3 prime UTR variant - [Sequence Ontology: SO:0001624]
NM_001386337.1:c.*3335G>C - 3 prime UTR variant - [Sequence Ontology: SO:0001624]
NM_001363980.2:c.1935+44662C>G - intron variant - [Sequence Ontology: SO:0001627]
NM_001322042.2:c.2199C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001363979.1:c.2199C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001410916.1:c.2199C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001410917.1:c.2199C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_024596.5:c.2199C>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Microcephaly 1, primary, autosomal recessive
Synonyms:: PREMATURE CHROMOSOME CONDENSATION SYNDROME; PCC SYNDROME; Premature chromosome condensation with microcephaly and mental retardation
Identifiers:: MONDO: MONDO:0009617; MedGen: C1855081; Orphanet: 2512; OMIM: 251200

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001320035	Illumina Laboratory Services, Illumina	criteria provided, single submitter (ICSL Variant Classification Criteria 13 December 2019)	Uncertain significance (Jan 13, 2018)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001320035

Illumina Laboratory Services, Illumina

criteria provided, single submitter

(ICSL Variant Classification Criteria 13 December 2019)

Uncertain significance
(Jan 13, 2018)

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	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Details of each submission

From Illumina Laboratory Services, Illumina, SCV001320035.1

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

Description

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.

#	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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