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  • Gene/Protein: HBB
  • Product Description: Immunotag™ HBB Polyclonal Antibody
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Immunotag™ HBB Polyclonal Antibody
Antibody Specification
Target Protein HBB
Clonality Polyclonal
Storage/Stability -20°C/1 year
Application WB,ELISA
Recommended Dilution WB 1:500-2000 ELISA 1:5000-20000
Concentration 1 mg/ml
Reactive Species Human
Host Species Rabbit
Immunogen Synthesized peptide derived from part region of human protein
Specificity HBB Polyclonal Antibody detects endogenous levels of protein.
Purification The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen
Form Liquid in PBS containing 50% glycerol, and 0.02% sodium azide.
Gene Name HBB
Accession No. P68871
Description hemoglobin subunit beta(HBB) Homo sapiens The alpha (HBA) and beta (HBB) loci determine the structure of the 2 types of polypeptide chains in adult hemoglobin, Hb A. The normal adult hemoglobin tetramer consists of two alpha chains and two beta chains. Mutant beta globin causes sickle cell anemia. Absence of beta chain causes beta-zero-thalassemia. Reduced amounts of detectable beta globin causes beta-plus-thalassemia. The order of the genes in the beta-globin cluster is 5'-epsilon -- gamma-G -- gamma-A -- delta -- beta--3'. [provided by RefSeq, Jul 2008],
Protein Expression Blood,Epithelium,Lymphocyte,Skeletal muscle,Spleen,Whole blood,
Subcellular Localization extracellular region,cytosol,hemoglobin complex,integral component of membrane,haptoglobin-hemoglobin complex,extracellular exosome,endocytic vesicle lumen,blood microparticle,
Protein Function disease:Defects in HBB are the cause of beta-thalassemia [MIM:141900, 604131]. The thalassemias are the most common monogenic diseases and occur mostly in Mediterranean and Southeast Asian populations. The hallmark of beta-thalassemia is an imbalance in globin-chain production in the adult HbA molecule. Absence of beta chain causes beta(0)-thalassemia, while reduced amounts of detectable beta globin causes beta(+)-thalassemia. In the severe forms of beta-thalassemia, the excess alpha globin chains accumulate in the developing erythroid precursors in the marrow. Their deposition leads to a vast increase in erythroid apoptosis that in turn causes ineffective erythropoiesis and severe microcytic hypochromic anemia. Clinically, beta-thalassemia is divided into thalassemia major (transfusion dependent), thalassemia intermedia (of intermediate severity), and thalassemia minor (asymptomatic).,disease:Defects in HBB are the cause of dominant beta-thalassemia inclusion body type [MIM:603902]. This form of beta-thalassemia is transmitted in an autosomal dominant fashion and is characterized by anemia, enlargement of the spleen, and gross abnormalities of the erythrocytes and their precursors.,disease:Defects in HBB are the cause of sickle cell anemia [MIM:603903]; also known as sickle cell disease. Sickle cell anemia is characterized by abnormally shaped red cells resulting in chronic anemia and periodic episodes of pain, serious infections and damage to vital organs. Normal red blood cells are round and flexible and flow easily through blood vessels, but in sickle cell anemia, the abnormal hemoglobin (called Hb S) causes red blood cells to become stiff. They are C-shaped and resembles a sickle. These stiffer red blood cells can led to microvascular occlusion thus cutting off the blood supply to nearby tissues.,disease:Defects in HBB may be a cause of Heinz body anemias [MIM:140700]. This is a form of non-spherocytic hemolytic anemia of Dacie type 1. After splenectomy, which has little benefit, basophilic inclusions called Heinz bodies are demonstrable in the erythrocytes. Before splenectomy, diffuse or punctate basophilia may be evident. Most of these cases are probably instances of hemoglobinopathy. The hemoglobin demonstrates heat lability. Heinz bodies are observed also with the Ivemark syndrome (asplenia with cardiovascular anomalies) and with glutathione peroxidase deficiency.,function:Involved in oxygen transport from the lung to the various peripheral tissues.,function:LVV-hemorphin-7 potentiates the activity of bradykinin, causing a decrease in blood pressure.,mass spectrometry: PubMed:1575724,miscellaneous:One molecule of 2,3-bisphospoglycerate can bind to two beta chains per hemoglobin tetramer.,online information:Hemoglobin entry,online information:Human hemoglobin variants and thalassemias,online information:The Singapore human mutation and polymorphism database,PTM:Acetylated on Lys-60, Lys-83 and Lys-145 upon aspirin exposure. PubMed:16916647 reports the identification of HBB acetylated on Lys-145 in the cytosolic fraction of HeLa cells. This may results from a contamination of the sample.,PTM:Glucose reacts non-enzymatically with the N-terminus of the beta chain to form a stable ketoamine linkage. This takes place slowly and continuously throughout the 120-day life span of the red blood cell. The rate of glycation is increased in patients with diabetes mellitus.,PTM:S-nitrosylated; a nitric oxide group is first bound to Fe(2+) and then transferred to Cys-94 to allow capture of O(2).,similarity:Belongs to the globin family.,subunit:Heterotetramer of two alpha chains and two beta chains in adult hemoglobin A (HbA).,tissue specificity:Red blood cells.,
Usage For Research Use Only! Not for diagnostic or therapeutic procedures.
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