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Hemoglobin variants occur when there are mutations in specific genes that code for the protein chains, known as globins, which make up the hemoglobin molecule. This leads to amino acid substitutions in the hemoglobin molecule that could affect the structure, properties, and/or the stability of the hemoglobin molecule.
n/a Ensembl ENSG00000223609 n/a UniProt P02042 n/a RefSeq (mRNA) NM_000519 n/a RefSeq (protein) NP_000510 n/a Location (UCSC) Chr 11: 5.23 – 5.24 Mb n/a PubMed search n/a Wikidata View/Edit Human Hemoglobin subunit delta is a protein that in humans is encoded by the HBD gene. Function The delta (HBD) and beta (HBB) genes are normally expressed in the adult: two alpha chains plus two beta ...
Hemoglobin D (HbD) is a variant of hemoglobin, a protein complex that makes up red blood cells. Based on the locations of the original identification, it has been known by several names such as hemoglobin D-Los Angeles , hemoglobin D-Punjab , [ 1 ] D-North Carolina , D-Portugal , D-Oak Ridge , and D-Chicago. [ 2 ]
Some individuals with the homozygous H63D variant may show signs of heart disease, cardiomyopathies, and disturbances in the calcium channels in particular. [ 20 ] [ 21 ] The homozygous H63D variant is an indicator of the iron metabolism disorder hemochromatosis, which may increase the risk of developing a fatty liver . [ 22 ]
It is also the most frequent hemoglobin variant in Xinjiang Uyghur Autonomous Region of China, with a 1997 study indicating that Hemoglobin D-Punjab accounts for 55.6% of the total hemoglobin variants. [2] Hemoglobin D is a result of a mutation in the one or both of the Beta-chains that make up hemoglobin molecules.
15122 Ensembl ENSG00000188536 ENSMUSG00000069919 UniProt P69905 Q91VB8 RefSeq (mRNA) NM_000517 NM_008218 RefSeq (protein) NP_000508 NP_000508.1 NP_000549.1 NP_001077424 Location (UCSC) Chr 16: 0.17 – 0.17 Mb Chr 11: 32.23 – 32.23 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Hemoglobin, alpha 2 also known as HBA2 is a gene that in humans codes for the alpha globin chain of ...
The most commonly used method for Hemoglobin analysis used is alkaline cellulose acetate electrophoresis at pH 8.6, due to its ability to split hemoglobin into its common variants, however a review of the College of American Pathologists (CAP) Hemoglobinopahty Survey Reports has provided the number of laboratories that utilise high-performance ...
Hemoglobin Lepore syndrome is typically an asymptomatic hemoglobinopathy, which is caused by an autosomal recessive genetic mutation.The Hb Lepore variant, consisting of two normal alpha globin chains (HBA) and two delta-beta globin fusion chains which occurs due to a "crossover" between the delta (HBD) and beta globin (HBB) gene loci during meiosis and was first identified in the Lepore ...