IthaID: 4111
Names and Sequences
| Functionality: | Globin gene causative mutation | Pathogenicity: | N/A |
|---|---|---|---|
| Common Name: | Poly A (AATAAA>AAΑΑΑ) | HGVS Name: | HBA2:c.*91delT |
| Hb Name: | N/A | Protein Info: | α2 nt 816 delT |
Context nucleotide sequence:
GCACCGGCCCTTCCTGGTCTTTGAA [T/-] AAAGTCTGAGTGGGCAGCAGCCTGTG (Strand: +)
Also known as:
Comments: Found as a novel mutation in a Chinese patient, in compound heterozygosity with –SEA [IthaID: 309], leading to severe non-deletional Hb H disease with blood transfusion dependence since infancy.
We follow the HGVS sequence variant nomenclature and IUPAC standards.
External Links
No available links
Phenotype
| Hemoglobinopathy Group: | Thalassaemia |
|---|---|
| Hemoglobinopathy Subgroup: | α-thalassaemia |
| Allele Phenotype: | α+/α0 |
| Associated Phenotypes: | N/A |
Location
| Chromosome: | 16 |
|---|---|
| Locus: | NG_000006.1 |
| Locus Location: | 34554 |
| Size: | 1 bp |
| Located at: | α2 |
| Specific Location: | Poly(A) |
Other details
| Type of Mutation: | Point-Mutation(Substitution) |
|---|---|
| Effect on Gene/Protein Function: | RNA cleavage - Poly(A) signal (mRNA Processing) |
| Ethnic Origin: | Chinese |
| Molecular mechanism: | N/A |
| Inheritance: | Recessive |
| DNA Sequence Determined: | Yes |
In silico pathogenicity prediction
Note:
The impact thresholds provided in this section are based on the analyses performed in Tamana et.al. For any given tool, the impact thresholds defined for the set of variants with the same effect on function as the variant examined, are preferred over those defined for the full dataset.
Sequence Viewer
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Publications / Origin
- Ren ZM, Li WJ, Xing ZH, Fu XY, Zhang JY, Chen YS, Li DF, Detecting rare thalassemia in children with anemia using third-generation sequencing., Hematology, 28(1), 2241226, 2023 PubMed
Created on 2024-10-23 15:23:06,
Last reviewed on (Show full history)
| A/A | Date | Curator(s) | Comments |
|---|---|---|---|
| 1 | 2024-10-23 15:23:06 | The IthaGenes Curation Team | Created |
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IthaGenes was last updated on 2024-10-23 15:23:06