NM_172250.3(MMAA):c.562G>C (p.Gly188Arg) AND Methylmalonic aciduria, cblA type

Germline classification:: Likely pathogenic (2 submissions)
Last evaluated:: Jul 22, 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:: RCV000203317.12

Allele description [Variation Report for NM_172250.3(MMAA):c.562G>C (p.Gly188Arg)]

NM_172250.3(MMAA):c.562G>C (p.Gly188Arg)

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.562G>C (p.Gly188Arg)

HGVS:

NC_000004.12:g.145642485G>C
NG_007536.2:g.48444G>C
NM_172250.3:c.562G>CMANE SELECT
NP_758454.1:p.Gly188Arg
NP_758454.1:p.Gly188Arg
LRG_1301t1:c.562G>C
LRG_1301:g.48444G>C
LRG_1301p1:p.Gly188Arg
NC_000004.11:g.146563637G>C
NG_007536.1:g.28188G>C
NM_172250.1:c.562G>C

Protein change:

G188R

Links:

dbSNP: rs864309729

NCBI 1000 Genomes Browser:

rs864309729

Molecular consequence:

NM_172250.3:c.562G>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Methylmalonic aciduria, cblA type (MACA)
Synonyms:: Methylmalonic aciduria, vitamin b12-responsive, due to defect in synthesis of adenosylcobalamin, cbla complementation type; MMA cbl A type; Methylmalonic acidemia cblA type; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0009613; MedGen: C1855109; Orphanet: 28; Orphanet: 79310; OMIM: 251100

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000258477	GeneReviews	no classification provided	not provided	germline	literature only
SCV004193100	Baylor Genetics	criteria provided, single submitter (ACMG Guidelines, 2015)	Likely pathogenic (Jul 22, 2023)	unknown	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

SCV000258477

GeneReviews

no classification provided

not provided

germline

literature only

SCV004193100

Baylor Genetics

criteria provided, single submitter

(ACMG Guidelines, 2015)

Likely pathogenic
(Jul 22, 2023)

unknown

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	unknown	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	yes	not provided	not provided	not provided	not provided	not provided	literature only

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee.

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From GeneReviews, SCV000258477.3

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	literature only	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

From Baylor Genetics, SCV004193100.1

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

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

Last Updated: Nov 30, 2024

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