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

Publications / Origin

  1. 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
Created on 2024-10-23 15:23:06, Last reviewed on (Show full history)

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