IthaID: 1566
Names and Sequences
| Functionality: | Globin gene causative mutation | Pathogenicity: | N/A |
|---|---|---|---|
| Common Name: | -202 C>T | HGVS Name: | HBG1:c.-255C>T |
| Hb Name: | N/A | Protein Info: | N/A |
Context nucleotide sequence:
AAATTAGCAGTATCCTCTTGGGGGC [C/T] CCTTCCCCACACTATCTCAATGCAA (Strand: -)
Also known as: Black non-deletional HPFH
Comments: HPFH mutation, 2-25% of HbF in individuals carrying HBB*S mutation. Disrupts binding site (CCCCTTCCCC) of LRF transcriptional repressor.
We follow the HGVS sequence variant nomenclature and IUPAC standards.
Phenotype
| Hemoglobinopathy Group: | HPFH |
|---|---|
| Hemoglobinopathy Subgroup: | HPFH |
| Allele Phenotype: | HPFH |
| Associated Phenotypes: | Hb F levels [HP:0011904] [OMIM:141749] |
Location
| Chromosome: | 11 |
|---|---|
| Locus: | NG_000007.3 |
| Locus Location: | 47557 |
| Size: | 1 bp |
| Located at: | Aγ |
| Specific Location: | Promoter |
Other details
| Type of Mutation: | Point-Mutation(Substitution) |
|---|---|
| Effect on Gene/Protein Function: | Promoter (Transcription) |
| Ethnic Origin: | African |
| Molecular mechanism: | N/A |
| Inheritance: | Recessive |
| DNA Sequence Determined: | No |
In silico pathogenicity prediction
Publications / Origin
- Gilman JG, Mishima N, Wen XJ, Kutlar F, Huisman TH, Upstream promoter mutation associated with a modest elevation of fetal hemoglobin expression in human adults., Blood, 72(1), 78-81, 1988
- Weber L, Frati G, Felix T, Hardouin G, Casini A, Wollenschlaeger C, Meneghini V, Masson C, De Cian A, Chalumeau A, Mavilio F, Amendola M, Andre-Schmutz I, Cereseto A, El Nemer W, Concordet JP, Giovannangeli C, Cavazzana M, Miccio A, Editing a γ-globin repressor binding site restores fetal hemoglobin synthesis and corrects the sickle cell disease phenotype., Sci Adv . , 6(7), 0, 2020
Created on 2010-06-16 16:13:17,
Last reviewed on 2020-10-08 13:17:55 (Show full history)
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