IthaID: 3359
Names and Sequences
| Functionality: | Globin gene causative mutation | Pathogenicity: | Variant of Uncertain Significance |
|---|---|---|---|
| Common Name: | CD 13 GCC>ACC [Ala>Thr] | HGVS Name: | HBB:c.40G>A |
| Hb Name: | Hb Tower Hamlets | Protein Info: | β 13(A10) Ala>Thr |
| Also known as: | Hb Chuxiong |
We follow the
HGVS sequence variant nomenclature
and
IUPAC standards.
Context nucleotide sequence:
CCTGAGGAGAAGTCTGCCGTTACT [G/A] CCCTGTGGGGCAAGGTGAACGTGGAT (Strand: -)
Protein sequence:
MVHLTPEEKSAVTTLWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDNLKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH
Comments: Co-inherited with beta plus thalassaemia mutation. Runs with Hb A on HPLC (Biorad VNBS) and IEF. Detected via newborn screening with MSMS. In a recent publication [PMID:34708592], the 40G>A found in a 27-year-old female presented with normal CE patterns and normal blood parameters.
Phenotype
| Hemoglobinopathy Group: | Structural Haemoglobinopathy |
|---|---|
| Hemoglobinopathy Subgroup: | β-chain variant |
| Allele Phenotype: | N/A |
| Stability: | N/A |
| Oxygen Affinity: | N/A |
| Associated Phenotypes: | N/A |
Location
| Chromosome: | 11 |
|---|---|
| Locus: | NG_000007.3 |
| Locus Location: | 70634 |
| Size: | 1 bp |
| Located at: | β |
| Specific Location: | Exon 1 |
Other details
| Type of Mutation: | Point-Mutation(Substitution) |
|---|---|
| Effect on Gene/Protein Function: | Missense codons (Protein Structure) |
| Ethnic Origin: | Bangladeshi/Pakistani, Chinese |
| Molecular mechanism: | N/A |
| Inheritance: | Recessive |
| DNA Sequence Determined: | Yes |
In silico pathogenicity prediction
Sequence Viewer
Publications / Origin
- Zhang J, Xie M, Peng Z, Zhou X, Zhao T, Jin C, Yan Y, Zeng X, Li D, Zhang Y, Su J, Feng N, He J, Yao X, Lv T, Zhu B, Five novel globin gene mutations identified in five Chinese families by next-generation sequencing., Mol Genet Genomic Med, 9(12), e1835, 2021 PubMed
Microattributions
| A/A | Contributor(s) | Date | Comments |
|---|---|---|---|
| 1 | Daniel, Yvonne | 2019-01-17 | First report. |
| 2 | Monteiro, Daniel | 2019-01-17 | First report. |