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NM_052845.4(MMAB):c.665C>T (p.Thr222Met) AND Methylmalonic aciduria, cblB type

Germline classification:
Likely benign (2 submissions)
Last evaluated:
Jan 5, 2024
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:
RCV001279871.7

Allele description

NM_052845.4(MMAB):c.665C>T (p.Thr222Met)

Gene:
MMAB:metabolism of cobalamin associated B [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
12q24.11
Genomic location:
Preferred name:
NM_052845.4(MMAB):c.665C>T (p.Thr222Met)
HGVS:
  • NC_000012.12:g.109557116G>A
  • NG_007096.1:g.21382C>T
  • NM_052845.4:c.665C>TMANE SELECT
  • NP_443077.1:p.Thr222Met
  • NC_000012.11:g.109994921G>A
  • NR_038118.2:n.776C>T
Protein change:
T222M
Links:
dbSNP: rs142070439
NCBI 1000 Genomes Browser:
rs142070439
Molecular consequence:
  • NM_052845.4:c.665C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NR_038118.2:n.776C>T - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:
Methylmalonic aciduria, cblB type
Synonyms:
METHYLMALONIC ACIDURIA, VITAMIN B12-RESPONSIVE, DUE TO DEFECT IN SYNTHESIS OF ADENOSYLCOBALAMIN, cblB TYPE; Methylmalonic acidemia cblB type; Vitamin B12-responsive methylmalonic acidemia type cblB
Identifiers:
MONDO: MONDO:0009614; MedGen: C1855102; Orphanet: 28; Orphanet: 79311; OMIM: 251110

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV001467005Natera, Inc.
no assertion criteria provided
Uncertain significance
(Aug 19, 2020) 		germlineclinical testing

SCV001676138Invitae
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Likely benign
(Jan 5, 2024) 		germlineclinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical 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 Natera, Inc., SCV001467005.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

From Invitae, SCV001676138.4

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Feb 20, 2024