protein

Haptoglobin protein

MBS537618

1 mg

195 USD

Native Protein

Haptoglobin protein

Haptoglobin

MGC111141 protein; alpha polypeptide protein; HP protein; Hp2 alpha protein; beta polypeptide protein; Haptoglobin; Haptoglobin protein; HPT protein; HPA1S protein; HP2 alpha2 protein

haptoglobin; Haptoglobin; haptoglobin; haptoglobin; Zonulin

HP; HP; BP; HPA1S; HP2ALPHA2

HPT_HUMAN

Human

406

> 95% pure

Supplied as a lyophilised powder.

Aliquot and store at -20 degree C. Avoid repeated freeze/thaw cycles.

User optimized

Source Note: Human plasma. Protein Type: Native. Biological Significance: An acute-phase plasma protein found in human plasma at 100-300 mg per 100 ml. Binds hemoglobin, thus preventing loss of iron through the kidneys. Humans are polymorphic for haptoglobin, with three major phenotypes. Hp 1-1 is the most common, and the most effective in binding free hemoglobin. Hp 2-2 is the least effective. This functional difference may be associated with the frequency and severity of epilepsy attacks, as researchers have found a correlation between recurring seizures and the Hp 2-2 phenotype.

Biohazard Information: Donor samples were tested and found to be negative for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2. Nonetheless caution should be used when handling this material as there is a margin of error in all tests.

Nutrition & Metabolism; Native Protein

Purified native Human Haptoglobin protein

386783

AAA88080.1

38,452 Da

Binding And Uptake Of Ligands By Scavenger Receptors Pathway (771599); Scavenging Of Heme From Plasma Pathway (771600); Vesicle-mediated Transport Pathway (1183600); Amb2 Integrin Signaling Pathway (137945)

This gene encodes a preproprotein, which is processed to yield both alpha and beta chains, which subsequently combine as a tetramer to produce haptoglobin. Haptoglobin functions to bind free plasma hemoglobin, which allows degradative enzymes to gain access to the hemoglobin, while at the same time preventing loss of iron through the kidneys and protecting the kidneys from damage by hemoglobin. Mutations in this gene and/or its regulatory regions cause ahaptoglobinemia or hypohaptoglobinemia. This gene has also been linked to diabetic nephropathy, the incidence of coronary artery disease in type 1 diabetes, Crohn's disease, inflammatory disease behavior, primary sclerosing cholangitis, susceptibility to idiopathic Parkinson's disease, and a reduced incidence of Plasmodium falciparum malaria. The protein encoded also exhibits antimicrobial activity against bacteria. A similar duplicated gene is located next to this gene on chromosome 16. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2014]

HP: Haptoglobin combines with free plasma hemoglobin, preventing loss of iron through the kidneys and protecting the kidneys from damage by hemoglobin, while making the hemoglobin accessible to degradative enzymes. Defects in HP are the cause of anhaptoglobinemia (AHP). AHP is a condition characterized by the absence of the serum glycoprotein haptoglobin. Serum levels of haptoglobin vary among normal persons: levels are low in the neonatal period and in the elderly, differ by population, and can be influenced by environmental factors, such as infection. Secondary hypohaptoglobinemia can occur as a consequence of hemolysis, during which haptoglobin binds to free hemoglobin. Belongs to the peptidase S1 family. Protein type: Secreted, signal peptide; Secreted. Chromosomal Location of Human Ortholog: 16q22.2. Cellular Component: extracellular space; extracellular region. Molecular Function: antioxidant activity; protein binding; hemoglobin binding; catalytic activity. Biological Process: receptor-mediated endocytosis; response to hydrogen peroxide; immune system process; metabolic process; defense response to bacterium; negative regulation of oxidoreductase activity; acute-phase response; defense response. Disease: Anhaptoglobinemia

1 mg

195 USD