IthaID: 3604
Names and Sequences
| Functionality: | Globin gene causative mutation | Pathogenicity: | N/A |
|---|---|---|---|
| Common Name: | Init CD ATG>GTG [Met>Pro] | HGVS Name: | HBA2:c.1A>G |
| Hb Name: | N/A | Protein Info: | N/A |
| Also known as: |
We follow the
HGVS sequence variant nomenclature
and
IUPAC standards.
Context nucleotide sequence:
CCCACAGACTCAGAGAGAACCCACC [A/G] TGGTGCTGTCTCCTGCCGACAAGAC (Strand: +)
Protein sequence:
PVLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNALSALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR
Comments: Found in a 25-year old Chinese man presented with mild anaemia. This mutation in combination with the Southeast Asian --SEA deletion [IthaID:309] found in proband’s unborn child. The fetal cord blood showed a peak for Hb Barts indicating that the fetus had Hb H disease.
External Links
No available links
Phenotype
| Hemoglobinopathy Group: | Thalassaemia |
|---|---|
| Hemoglobinopathy Subgroup: | α-thalassaemia |
| Allele Phenotype: | α⁺ |
| Associated Phenotypes: | N/A |
Location
| Chromosome: | 16 |
|---|---|
| Locus: | NG_000006.1 |
| Locus Location: | 33776 |
| Size: | 1 bp |
| Located at: | α2 |
| Specific Location: | Exon 1 |
Other details
| Type of Mutation: | Point-Mutation(Substitution) |
|---|---|
| Effect on Gene/Protein Function: | Initiation codon (Translation) |
| Ethnic Origin: | Chinese |
| Molecular mechanism: | N/A |
| Inheritance: | Recessive |
| DNA Sequence Determined: | Yes |
In silico pathogenicity prediction
Sequence Viewer
Publications / Origin
- Chen X, Luo S, Huang J, Yuan D, Yan T, Cai R, Tang N, Diagnosis and Prenatal Diagnosis in a Chinese Family Carrying the Rare α-Thalassemia Gene : c.1A>G Mutation., Hemoglobin, 44(1), 51-54, 2020 PubMed