Inducible Nitric Oxide Synthase, Recombinant, Rat, Western Blot Control (iNOS, iNOS 2, mNOS)

Catalog No : USB-I0800-09A1
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Product name Inducible Nitric Oxide Synthase, Recombinant, Rat, Western Blot Control (iNOS, iNOS 2, mNOS)
Catalog No USB-I0800-09A1
Supplier’s Catalog No I0800-09A1
Supplier US Biologicals
Source antigen Recombinant, rat
Reactivity
Cross reactivity
Applications
Molecular weight
Storage -20°C
Other names
Grade Purified
Purity Purified
Form Supplied as a liquid in SDS-PAGE sample buffer (reduced).
Reactivity life 6 months
Note For reserch purpose only
Purity Purified
Description Nitric oxide (NO), a diffusible free radical gas, acts as a neurotransmitter in brain and peripheral nervous system. It accounts for the activity of endothelium-derived relaxing factors, which stimulate vasodilatation by releasing NO from the endothelium. Unlike typical neurotransmitter, NO is a not stored in synaptic vesicle and does not act on membrane receptors. Synthesis of NO, initially demonstrated in vascular endothelium, is now found in many tissues. NO is synthesized by L-arginine, oxygen, and NADPH by three known isoforms of heme-containing flavoproteins termed NO synthase (NOS, I-III, mol wt. ~130-160kD). One group of enzyme is constitutive, agonist-triggered, and dependent on Ca2+/Calmodulin and is inhibited by L-arginine analogues (L-NNA, L-NMMA). It is found in endothelium, adrenal glands, brain and platelets. The other principle group is inducible, Ca2+/Calmodulin-independent, and inhibited by NMMA and L-NNA. It has been found in macrophage, hepatocytes, tumor cells, vascular smooth muscle and endothelial cells. Analyses of cDNA clones have identified three distinct NOS genes in mammals: neuronal (nNOS/bNOS/NOS-I), endothelial (eNOS/NOS-III), and macrophage (mNOS/iNOS/NOS-II). Both nNOS and eNOS are constitutive and the mNOS/iNOS is inducible. Sequence homology among different cloned isoforms is ~ 50%.   Applications: Suitable for use in Western Blot as a positive control for I0800-09 & I0800-09B. Other applications not tested. Recommended Dilution: Western Blot: 10ul/lane. May need to add 5ul of fresh 2x sample buffer per 10ul prior to heating and loading gels. Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for at least 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.