IthaID: 2209



Names and Sequences

Functionality: Globin gene causative mutation
Common Name: CD 32 ATG>AGG [Met>Arg] HGVS Name: HBA2:c.98T>G
Hb Name: Hb Rotterdam Protein Info: α2 32(B13) Met>Arg

Context nucleotide sequence:
CCTCACTCTGCTTCTCCCCGCAGGA [T>G] GTTCCTGTCCTTCCCCACCACCAAG (Strand: +)

Protein sequence:
MVLSPADKTNVKAAWGKVGAHAGEYGAEALERRFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNALSALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR

Also known as: Hb Gran Vía

Comments: The substitution of the neutral apolar hydrophobic and internal Methionine for the positively charged, external and active binder Arginine, is likely to cause molecular instability.

External Links

Location

Chromosome: 16
Locus: NG_000006.1
Locus Location: 33990
Size: 1 bp
Located at: α2
Specific Location: Exon 2

Phenotype

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

Other details

Type of Mutation: Point-Mutation(Substitution)
Effect on Gene/Protein Function: Missense codons (Protein Structure)
Ethnic Origin: African, Surinam
Inheritance: Recessive
DNA Sequence Determined: Yes
Detection Methods: Direct DNA sequencing

Sequence Viewer

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Publications / Origin

  1. Giordano PC, Cnossen MH, Joosten AM, Jansen CA, Hakvoort TE, Bakker-Verweij M, Arkesteijn SG, van Delft P, Waye JS, Bouva MJ, Harteveld CL, Codon 24 (TAT>TAG) and codon 32 (ATG>AGG) (Hb Rotterdam): two novel alpha2 gene mutations associated with mild alpha-thalassemia found in the same family after newborn screening., Hemoglobin , 34(4), 354-65, 2010 PubMed
  2. de la Fuente-Gonzalo F, Nieto JM, Velasco D, Cela E, Pérez G, Fernández-Teijeiro A, Escudero A, Villegas A, González-Fernández FA, Ropero P, HB Puerta del Sol [HBA1:c.148A>C], HB Valdecilla [HBA2:c.3G>T], HB Gran Vía [HBA2:c.98T>G], HB Macarena [HBA2:c.358C>T] and HB El Retiro [HBA2:c.364_366dupGTG]: description of five new hemoglobinopathies., Clin. Chem. Lab. Med. , 54(4), 553-60, 2016 PubMed
Created on 2013-10-02 10:41:38, Last reviewed on 2019-04-05 13:52:02 (Show full history)

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