IthaID: 645



Names and Sequences

Functionality: Globin gene causative mutation
Common Name: CD 87 CAC>TAC [His>Tyr] HGVS Name: HBA2:c.262C>T
Hb Name: Hb M-Iwate Protein Info: α2 87(F8) His>Tyr

Context nucleotide sequence:
CGCGCTGTCCGCCCTGAGCGACCTG [A/C/T] ACGCGCACAAGCTTCGGGTGGACCC (Strand: +)

Protein sequence:
MVLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNALSALSDLYAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR

Also known as: Hb M-Kankakee , Hb M-Oldenburg , Hb M-Sendai

External Links

Location

Chromosome: 16
Locus: NG_000006.1
Locus Location: 34154
Size: 1 bp
Located at: α2
Specific Location: Exon 2

Phenotype

Hemoglobinopathy Group: Structural Haemoglobinopathy
Hemoglobinopathy Subgroup: α-chain variant
Allele Phenotype:N/A
Stability: N/A
Oxygen Affinity: Decreased Oxygen Affinity
Associated Phenotypes: N/A

Other details

Type of Mutation: Point-Mutation(Substitution)
Effect on Gene/Protein Function: Missense codons (Protein Structure)
Ethnic Origin: Japanese, Irish, German, Turkish, Romanian, Scottish, Caucasian, African-American
Inheritance: Recessive
DNA Sequence Determined: Yes
Detection Methods: Direct DNA sequencing

Sequence Viewer

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Publications / Origin

  1. Konigsberg W, Lehmann H, The amino acid substitution in hemoglobin M-Iwate., Biochim. Biophys. Acta , 107(2), 266-9, 1965 PubMed
  2. Sjöquist J, Heterogeneity of heavy (gamma) chain preparations from human gamma G-immunoglobulins., Nature , 210(5041), 1182-3, 1966 PubMed
  3. Jones RT, Coleman RD, Heller P, The structural abnormality of hemoglobin M Kankakee., J. Biol. Chem. , 241(9), 2137-43, 1966 PubMed
  4. Ozsoylu S, Congenital methemoglobinemia due to hemoglobin M., Acta Haematol. , 47(4), 225-32, 1972 PubMed
  5. Trittelvitz E, Gersonde K, Winterhalter KH, Electron-spin resonance of nitrosyl haemoglobins: normal alpha and beta chains and mutants Hb M Iwate and Hb Zürich., Eur. J. Biochem. , 51(1), 33-42, 1975 PubMed
  6. Mayne EE, Elder GE, Lappin TR, Ferguson LA, Hb M Iwate [alpha (2)87His----Tyr beta 2]: de novo mutation in an Irish family., Hemoglobin , 10(2), 205-8, 1986 PubMed
  7. Moradkhani K, Préhu C, Old J, Henderson S, Balamitsa V, Luo HY, Poon MC, Chui DH, Wajcman H, Patrinos GP, Mutations in the paralogous human alpha-globin genes yielding identical hemoglobin variants., Ann. Hematol. , 88(6), 535-43, 2009 PubMed
  8. Viana MB, Belisário AR, De novo alpha 2 hemoglobin gene (HBA2) mutation in a child with hemoglobin M Iwate and symptomatic methemoglobinemia since birth., Rev Bras Hematol Hemoter , 36(3), 230-4, 2014 PubMed
Created on 2010-06-16 16:13:16, Last reviewed on 2014-07-28 16:37:59 (Show full history)

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