IthaID: 613

Names and Sequences

Functionality: Globin gene causative mutation Pathogenicity: Benign / Likely Benign
Common Name: CD 75 GAC>CAC [Asp>His] HGVS Name: HBA2:c.226G>C
Hb Name: Hb Q-Iran Protein Info: α2 75(EF4) Asp>His

Context nucleotide sequence:

Protein sequence:

Also known as:


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


Chromosome: 16
Locus: NG_000006.1
Locus Location: 34118
Size: 1 bp
Located at: α2
Specific Location: Exon 2

Other details

Type of Mutation: Point-Mutation(Substitution)
Effect on Gene/Protein Function: Missense codons (Protein Structure)
Ethnic Origin: Iranian, Turkish, Pakistani
Molecular mechanism: N/A
Inheritance: Recessive
DNA Sequence Determined: Yes


Disclaimer: The HPLC images are provided as an information resource only. Bio-Rad Laboratories, Inc and the ITHANET Portal disclaim responsibility and have no liability if this information is used for diagnostic or treatment purposes. D-10™ and VARIANT™ are registered trademarks of Bio-Rad Laboratories, Inc. and used with permission. Redistribution and use of the above material is allowed only with permission by Bio-Rad Laboratories, Inc. To access HPLC images and reports for different variants, use the IthaChrom tool.
ID Hb Variant Gene Instrument Method Area (%) Ret Time (min) Comments
359Hb Q-Iranα2VARIANT IIβ-thal Short Program21.24.85heterozygote[PDF]
360Hb Q-Iranα2VARIANT IIDual Kit Program19.24.09heterozygote[PDF]

Publications / Origin

  1. Lorkin PA, Charlesworth D, Lehmann H, Rahbar S, Tuchinda S, Eng LI, Two haemoglobins Q, alpha-74 (EF3) and alpha-75 (EF4) aspartic acid to histidine., Br. J. Haematol. , 19(1), 117-25, 1970
  2. Lie-Injo LE, Dozy AM, Kan YW, Lopes M, Todd D, The alpha-globin gene adjacent to the gene for HbQ-alpha 74 Asp replaced by His is deleted, but not that adjacent to the gene for HbG-alpha 30 Glu replaced by Gln; three-fourths of the alpha-globin genes are deleted in HbQ-alpha-thalassemia., Blood , 54(6), 1407-16, 1979
  3. Aksoy M, Gurgey A, Altay C, Kilinc Y, Carstairs KC, Kutlar A, Chen SS, Webber BB, Wilson JB, Huisman TH, Some notes about Hb Q-India and Hb Q-Iran., Hemoglobin , 10(2), 215-9, 1986
  4. Khorshidi M, Roshan P, Bayat N, Mahdavi MR, Najmabadi H, Hemoglobin Q-Iran detected in family members from Northern Iran: a case report., J Med Case Rep, 6(0), 47, 2012
Created on 2010-06-16 16:13:16, Last reviewed on 2021-04-07 11:49:53 (Show full history)

Disclaimer: The information on this website is provided as an information resource only and must not to be used as a substitute for professional diagnosis and treatment. The ITHANET Portal and IthaGenes are not responsible or liable for any advice, course of treatment, diagnosis or any other information, services or products that an individual obtains through this website.