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3039 15122 Ensembl ENSG00000206172 ENSMUSG00000069919 UniProt P69905 Q91VB8 RefSeq (mRNA) NM_000558 NM_008218 RefSeq (protein) NP_000508 NP_000508.1 NP_000549.1 NP_001077424 Location (UCSC) Chr 16: 0.18 – 0.18 Mb Chr 11: 32.23 – 32.23 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Hemoglobin subunit alpha, Hemoglobin, alpha 1, is a hemoglobin protein that in humans is encoded by ...
Table 1: α represents the presence of α-globin gene and- represents the deletion of α-globin gene. [6] The chance of a fetus developing Hemoglobin Bart's hydrops fetalis is dependent upon if one or both parent carries the alpha-thalassemia trait. Due to this disease being incompatible with life, diagnosis for it is done prenatally. [7]
The human alpha globin gene cluster is located on chromosome 16 and spans about 30 kb, including seven alpha like globin genes and pseudogenes: 5'- HBZ - HBZP1 - HBM - HBAP1 - HBA2 - HBA1 - HBQ1-3'. The HBA2 (α 2) and HBA1 (α 1) coding sequences are identical. These genes differ slightly over the 5' untranslated regions and the introns, but ...
Hemoglobin variants can be discovered through examination, routine laboratory testing, or evaluation of patients with severe anemia. [3] In some countries, all newborns are tested for hemoglobinopathies, thalassemias, and HbS. Isoelectric focusing or high-performance liquid chromatography are used to identify structural abnormalities in hemoglobin.
Alpha 1 and alpha 2 subunits are respectively coded by genes HBA1 and HBA2 close together on chromosome 16, while the beta subunit is coded by gene HBB on chromosome 11. The amino acid sequences of the globin subunits usually differ between species, with the difference growing with evolutionary distance.
Globin synthesis takes place in the ribosomes which are located within the cytosol. Two globin chains that have heme groups combine to form hemoglobin. One of the chains is an alpha chain and the other is a non-alpha chain. Non-alpha chain nature in hemoglobin molecules varies due to different variables.