IthaID: 414



Names and Sequences

Functionality: Globin gene causative mutation Pathogenicity: Pathogenic / Likely Pathogenic
Common Name: CD 131 TCT>CCT [Ser>Pro] HGVS Name: HBA2:c.394T>C
Hb Name: Hb Questembert Protein Info: α2 131(H14) Ser>Pro

Context nucleotide sequence:
CGCCTCCCTGGACAAGTTCCTGGCT [T>C] CTGTGAGCACCGTGCTGACCTCCAA (Strand: +)

Protein sequence:
MVLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNALSALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLAPVSTVLTSKYR

Also known as:

We follow the HGVS sequence variant nomenclature and IUPAC standards.

Phenotype

Hemoglobinopathy Group: Thalassaemia and Structural Haemoglobinopathy
Hemoglobinopathy Subgroup: α-thalassaemia, α-chain variant
Allele Phenotype:α⁺
Stability: N/A
Oxygen Affinity: N/A
Associated Phenotypes: Haemolytic anaemia [HP:0001878]

Location

Chromosome: 16
Locus: NG_000006.1
Locus Location: 34428
Size: 1 bp
Located at: α2
Specific Location: Exon 3

Other details

Type of Mutation: Point-Mutation(Substitution)
Effect on Gene/Protein Function: Missense codons (Protein Structure)
Ethnic Origin: Yugoslavian, French
Molecular mechanism: Altered secondary structure
Inheritance: Recessive
DNA Sequence Determined: Yes

In silico pathogenicity prediction

Sequence Viewer

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Publications / Origin

  1. Rochette J, Barnetson R, Thein SL, Varet B, Valensi F, Hb Questembert is due to a base substitution (T-->C) in codon 131 of the alpha 2-globin gene and has an alpha-thalassemia biosynthetic ratio., American journal of hematology, 48(4), 289-90, 1995 PubMed
Created on 2010-06-16 16:13:15, Last reviewed on 2021-03-23 14:41:04 (Show full history)

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