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Catalog No: OPPA01319 (Formerly GWB-CB97EE)
Size:20UG
Price: $75.00
SKU
OPPA01319
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A1M Protein (OPPA01319)

Datasheets/ManualsPrintable datasheet for OPPA01319
Product Info
Product FormatLyophilized from 0.02M NH4HCO3. Physical appearance: Sterile Filtered White lyophilized (freeze-dried) powder.
HostPurified from the urine of patients with chronic renal tubular proteinuria
Additional InformationSolubility: Use phosphate buffer, pH>7.0 containing 0.15M NaCl, is recommended.
::Human Virus Test: Starting material tested and certified negative for HIV I & II antibodies, Hepatitis B surface antigen, and Hepatitis C antibodies.
Other functions include: : inhibition of stimulation of cultured lymphocytes by protein antigens; induction of cell division of lymphocytes, a mitogenic effect that can either be enhanced or inhibited by the action of other plasma components; inhibition of neutrophil granulocyte migration in vitro; and inhibition of chemotaxis.
::Product Introduction: Alpha 1-microglobulin (A1M) is a lipocalin superfamily member (kernal lipocalins). A1M is a low molecular weight protein component of plasma. A1M is distributed in plasma and extravascular compartments of all organs. Alpha-1 Microglobulin is found in mammals, birds, amphibians and fish. The primary sites of A1M synthesis are the liver and the kidney. Around the opening of the lipocalin pocket three lysyl residues are situated; those residues carry yellow-brown modification derived from the binding and degradation of heme and kynurenin (a tryptophan metabolite). A1-Microglobulin's reductase and dehydrogenase have broad biological substrate specificity properties due to its' free cysteine side-chain which is located in a flexible loop. Alpha-1-microglobulin is glycosylated by three separate carbohydrate chains: two complex carbohydrates which are N-linked to asparagines at residues 17 and 96, and the other simple carbohydrate which is O-linked to threonine at position 5. The carbohydrates comprise 22% of the total molecular mass of the protein. The glycosylation varies between species. A1M exists in two forms- a free form and complexed to other macromolecules: in humans- complexed to immunoglobulin A (IgA), in rat- complexed to alpha-1-inhibitor-3. Free A1M is exceptionally heterogeneous in charge (therefore also known as protein HC), and is found tightly linked to a chromophore. The free Alpha-1-microglobulin is a monomeric protein composed of one 188 residue polypeptide and contains three cysteines, two of which (residues 75 and 173) form a conserved intra-molecular disulphide link. The chromophoric group is covalently bound to the free cysteine residue at position 34. A1M binds retinol as a major ligand, but this is probably distinct from its covalent chromophore. Half of all human plasma A1M (approximately 0.
Product Description: Alpha 1-microglobulin (A1M) is an immunomodulatory protein with a broad spectrum of possible clinical applications and seems a promising marker for evaluation of tubular function.
Reconstitution and StorageHuman A1M although stable at room temperature for 3 weeks, should be stored between 2-8C.
PurityGreater than 96.0%.
Gene SymbolA1M
Alias SymbolsA1m
NCBI Gene Id252922
Protein NameAlpha-1-macroglobulin
Description of TargetHuman Alpha-1 Microglobulin Protein
Uniprot IDQ63041
Protein Accession #NP_665722.1
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