IthaID: 2991
Names and Sequences
Functionality: | Globin gene causative mutation | Pathogenicity: | Pathogenic / Likely Pathogenic |
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Common Name: | CD 108 ACC>AAC [Thr>Asn] | HGVS Name: | HBA1:c.326C>A |
Hb Name: | Hb Rogliano | Protein Info: | α1 108(G15) Thr>Asn |
Context nucleotide sequence:
CTAAGCCACTGCCTGCTGGTGA [C>A] CCTGGCCGCCCACCTCCCCGCCGAGT (Strand: +)
Protein sequence:
MVLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNALSALSDLHAHKLRVDPVNFKLLSHCLLVNLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR
Also known as:
Comments: Found as a heterozygote with mild α-thalassaemia phenotype, microcytosis and abnormal haemoglobin stability features. Hb Rogliano showed an intrinsic instability of the tetramer due to anomalous intra- and inter-chain interactions suggesting that the variant chain is normally synthesized and complexed with AHSP but rapidly degraded because it is unable to form the α1β1 dimers.
External Links
Phenotype
Hemoglobinopathy Group: | Structural Haemoglobinopathy |
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Hemoglobinopathy Subgroup: | α-chain variant |
Allele Phenotype: | N/A |
Stability: | Hyperunstable |
Oxygen Affinity: | N/A |
Associated Phenotypes: | N/A |
Location
Chromosome: | 16 |
---|---|
Locus: | NG_000006.1 |
Locus Location: | 34360 |
Size: | 1 bp |
Located at: | α1 |
Specific Location: | Exon 3 |
Other details
Type of Mutation: | Point-Mutation(Substitution) |
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Effect on Gene/Protein Function: | Missense codons (Protein Structure) |
Ethnic Origin: | Italian, Iranian |
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
- Bisconte MG, Caldora M, Musollino G, Cardiero G, Flagiello A, La Porta G, Lagona L, Prezioso R, Qualtieri G, Gaudiano C, Medulla E, Merlino A, Pucci P, Lacerra G, α-Thalassemia associated with hb instability: a tale of two features. the case of Hb Rogliano or α1 Cod 108(G15)Thr→Asn and Hb Policoro or α2 Cod 124(H7)Ser→Pro., PLoS ONE , 10(3), e0115738, 2015 PubMed
- Farashi S, Vakili S, Garous NF, Ashki M, Forouzesh Pour F, Zeinali F, Rad F, Imanian H, Azarkeivan A, Najmabadi H, Identification of Mutations Causing Aberrant Termination and Deficient Splice Donor Site on the HBA1 Gene., Hemoglobin , 40(1), 38-43, 2016 PubMed
Created on 2016-08-23 17:44:35,
Last reviewed on 2016-08-26 12:11:09 (Show full history)
A/A | Date | Curator(s) | Comments |
---|---|---|---|
1 | 2016-08-23 17:44:35 | The IthaGenes Curation Team | Created |
2 | 2016-08-25 09:26:48 | The IthaGenes Curation Team | Reviewed. |
3 | 2016-08-26 12:11:09 | The IthaGenes Curation Team | Reviewed. Reference added. Origin updated. |
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IthaGenes was last updated on 2023-03-22 16:46:31