IthaID: 1245
Names and Sequences
| Functionality: | Globin gene causative mutation | Pathogenicity: | Variant of Uncertain Significance |
|---|---|---|---|
| Common Name: | CD 129 GCC>GTC [Ala>Val] | HGVS Name: | HBB:c.389C>T |
| Hb Name: | Hb La Desirade | Protein Info: | β 129(H7) Ala>Val |
Context nucleotide sequence:
GAATTCACCCCACCAGTGCAGGCTG [C>T] CTATCAGAAAGTGGTGGCTGGTGTG (Strand: -)
Protein sequence:
MVHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDNLKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAVYQKVVAGVANALAHKYH
Also known as:
Comments: Unstable hemoglobin variant, exhibits a decreased oxygen affinity and normal heme-heme interaction. Migrates in the same region as normal HbA by standard electrophoresis.
We follow the HGVS sequence variant nomenclature and IUPAC standards.
Phenotype
| Hemoglobinopathy Group: | Structural Haemoglobinopathy |
|---|---|
| Hemoglobinopathy Subgroup: | β-chain variant |
| Allele Phenotype: | N/A |
| Stability: | Unstable |
| Oxygen Affinity: | Decreased Oxygen Affinity |
| Associated Phenotypes: | N/A |
Location
| Chromosome: | 11 |
|---|---|
| Locus: | NG_000007.3 |
| Locus Location: | 71963 |
| Size: | 1 bp |
| Located at: | β |
| Specific Location: | Exon 3 |
Other details
| Type of Mutation: | Point-Mutation(Substitution) |
|---|---|
| Effect on Gene/Protein Function: | N/A |
| Ethnic Origin: | African | |
| Molecular mechanism: | N/A |
| Inheritance: | Recessive |
| DNA Sequence Determined: | No |
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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Frequencies
Publications / Origin
- Merault G, Keclard L, Garin J, Poyart C, Blouquit Y, Arous N, Galacteros F, Feingold J, Rosa J, Hemoglobin La Desirade alpha A2 beta 2 129 (H7) Ala----Val: a new unstable hemoglobin., Hemoglobin, 10(6), 593-605, 1986 PubMed
Created on 2010-06-16 16:13:17,
Last reviewed on 2023-02-22 09:45:14 (Show full history)
| A/A | Date | Curator(s) | Comments |
|---|---|---|---|
| 1 | 2010-06-16 16:13:17 | The IthaGenes Curation Team | Created |
| 2 | 2013-10-15 17:00:14 | The IthaGenes Curation Team | Reviewed. |
| 3 | 2023-02-21 16:09:57 | The IthaGenes Curation Team | Reviewed. Link added |
| 4 | 2023-02-22 09:45:14 | The IthaGenes Curation Team | Reviewed. Comment added |
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IthaGenes was last updated on 2024-11-20 13:24:07