IthaID: 244
Names and Sequences
Functionality: | Globin gene causative mutation | Pathogenicity: | Pathogenic / Likely Pathogenic |
---|---|---|---|
Common Name: | CD 121 GAA>TAA (120aa) | HGVS Name: | HBB:c.364G>T |
Hb Name: | N/A | Protein Info: | β 121(GH4) Glu>Stop |
Context nucleotide sequence:
TGTGCTGGCCCATCACTTTGGCAAA [G>T] AATTCACCCCACCAGTGCAGGCTGC (Strand: -)
Protein sequence:
MVHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDNLKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKX
Also known as:
Comments: Heterozygous individual with severe beta-thalassemia intermedia.
We follow the HGVS sequence variant nomenclature and IUPAC standards.
Phenotype
Hemoglobinopathy Group: | Thalassaemia and Structural Haemoglobinopathy |
---|---|
Hemoglobinopathy Subgroup: | β-thalassaemia, β-chain variant |
Allele Phenotype: | Dominant |
Stability: | N/A |
Oxygen Affinity: | N/A |
Associated Phenotypes: |
Haemolytic anaemia [HP:0001878] Ineffective erythropoiesis [HP:0010972] |
Location
Chromosome: | 11 |
---|---|
Locus: | NG_000007.3 |
Locus Location: | 71938 |
Size: | 1 bp |
Located at: | β |
Specific Location: | Exon 3 |
Other details
Type of Mutation: | Point-Mutation(Substitution) |
---|---|
Effect on Gene/Protein Function: | Nonsense codon (Translation) |
Ethnic Origin: | Caucasian, N European |
Molecular mechanism: | N/A |
Inheritance: | Dominant |
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.
Frequencies
Publications / Origin
- Kazazian HH, Orkin SH, Boehm CD, Goff SC, Wong C, Dowling CE, Newburger PE, Knowlton RG, Brown V, Donis-Keller H, Characterization of a spontaneous mutation to a beta-thalassemia allele., American journal of human genetics, 38(6), 860-7, 1986
- Fei YJ, Stoming TA, Kutlar A, Huisman TH, Stamatoyannopoulos G, One form of inclusion body beta-thalassemia is due to a GAA----TAA mutation at codon 121 of the beta chain., Blood, 73(4), 1075-7, 1989
- Thein SL, Winichagoon P, Hesketh C, Best S, Fucharoen S, Wasi P, Weatherall DJ, The molecular basis of beta-thalassemia in Thailand: application to prenatal diagnosis., American journal of human genetics, 47(3), 369-75, 1990
- Yamamoto K, Yamamoto K, Hattori Y, Yamashiro Y, Hoshitani M, Morishita M, Ohba Y, Katahira H, Karasawa M, Omine M, Two beta-thalassemia mutations in Japan: codon 121 (GAA----TAA) and IVS-I-130 (G----C)., Hemoglobin, 16(4), 295-302, 1992
- Indrak K, Brabec V, Indrakova J, Chrobak L, Sakalova A, Jarosova M, Cermak J, Fei YJ, Kutlar F, Gu YC, Molecular characterization of beta-thalassemia in Czechoslovakia., Human genetics, 88(4), 399-404, 1992
Created on 2010-06-16 16:13:15,
Last reviewed on 2023-08-09 10:04:17 (Show full history)
A/A | Date | Curator(s) | Comments |
---|---|---|---|
1 | 2010-06-16 16:13:15 | The IthaGenes Curation Team | Created |
2 | 2013-10-15 17:28:32 | The IthaGenes Curation Team | Reviewed. |
3 | 2014-04-24 16:47:54 | The IthaGenes Curation Team | Reviewed. Added ClinVar link. |
4 | 2023-08-09 10:04:17 | The IthaGenes Curation Team | Reviewed. Comment added |
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