NM_172250.3(MMAA):c.307G>A (p.Glu103Lys) AND Inborn genetic diseases

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Dec 20, 2023
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:: RCV004514053.1

Allele description [Variation Report for NM_172250.3(MMAA):c.307G>A (p.Glu103Lys)]

NM_172250.3(MMAA):c.307G>A (p.Glu103Lys)

Gene:

MMAA:metabolism of cobalamin associated A [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

4q31.21

Genomic location:

Preferred name:

NM_172250.3(MMAA):c.307G>A (p.Glu103Lys)

HGVS:

NC_000004.12:g.145639446G>A
NG_007536.2:g.45405G>A
NM_001375644.1:c.307G>A
NM_172250.3:c.307G>AMANE SELECT
NP_001362573.1:p.Glu103Lys
NP_758454.1:p.Glu103Lys
LRG_1301t1:c.307G>A
LRG_1301:g.45405G>A
LRG_1301p1:p.Glu103Lys
NC_000004.11:g.146560598G>A
NM_172250.2:c.307G>A

Protein change:

E103K

Molecular consequence:

NM_001375644.1:c.307G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_172250.3:c.307G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Inborn genetic diseases
Identifiers:: MeSH: D030342; MedGen: C0950123

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV005006580	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Dec 20, 2023)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV005006580

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Dec 20, 2023)

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 Ambry Genetics, SCV005006580.1

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

Description

The c.307G>A (p.E103K) alteration is located in exon 2 (coding exon 1) of the MMAA gene. This alteration results from a G to A substitution at nucleotide position 307, causing the glutamic acid (E) at amino acid position 103 to be replaced by a lysine (K). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.

#	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 7, 2024

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