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NM_001190.4(BCAT2):c.790G>A (p.Glu264Lys) AND Hypervalinemia and hyperleucine-isoleucinemia

Germline classification:
Pathogenic (1 submission)
Last evaluated:
Aug 26, 2024
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:
RCV001078196.3

Allele description [Variation Report for NM_001190.4(BCAT2):c.790G>A (p.Glu264Lys)]

NM_001190.4(BCAT2):c.790G>A (p.Glu264Lys)

Gene:
BCAT2:branched chain amino acid transaminase 2 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
19q13.33
Genomic location:
Preferred name:
NM_001190.4(BCAT2):c.790G>A (p.Glu264Lys)
Other names:
E264K
HGVS:
  • NC_000019.10:g.48797239C>T
  • NG_013003.1:g.18825G>A
  • NM_001164773.2:c.514G>A
  • NM_001190.4:c.790G>AMANE SELECT
  • NM_001284325.2:c.670G>A
  • NP_001158245.1:p.Glu172Lys
  • NP_001181.2:p.Glu264Lys
  • NP_001271254.1:p.Glu224Lys
  • NC_000019.9:g.49300496C>T
Note:
NCBI staff reviewed the variant in the paper by Wang et al. (2015)[PubMed: 25653144] to establish the HGVS expression for this allele.
Protein change:
E172K; GLU264LYS
Links:
OMIM: 113530.0002; dbSNP: rs767653663
NCBI 1000 Genomes Browser:
rs767653663
Molecular consequence:
  • NM_001164773.2:c.514G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001190.4:c.790G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001284325.2:c.670G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Hypervalinemia and hyperleucine-isoleucinemia (HVLI)
Synonyms:
BRANCHED-CHAIN AMINOTRANSFERASE DEFICIENCY; Hypervalinemia or hyperleucine-isoleucinemia
Identifiers:
MONDO: MONDO:0100058; MedGen: C5394277; OMIM: 618850

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV001244281OMIM
no assertion criteria provided
Pathogenic
(Aug 26, 2024)
germlineliterature only

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

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlinenot providednot providednot providednot providednot providednot providedliterature only

Citations

PubMed

Hypervalinemia and hyperleucine-isoleucinemia caused by mutations in the branched-chain-amino-acid aminotransferase gene.

Wang XL, Li CJ, Xing Y, Yang YH, Jia JP.

J Inherit Metab Dis. 2015 Sep;38(5):855-61. doi: 10.1007/s10545-015-9814-z. Epub 2015 Feb 5.

PubMed [citation]
PMID:
25653144

Details of each submission

From OMIM, SCV001244281.3

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedliterature only PubMed (1)

Description

For discussion of the glu264-to-lys mutation (E264K) in the BCAT2 gene that was found in compound heterozygous state in a patient with hypervalinemia and hyperleucine-isoleucinemia (HVLI; 618850) by Wang et al. (2015), see 113530.0001.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlinenot providednot providednot providednot providednot providednot providednot providednot provided

Last Updated: Sep 8, 2024