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Rabbit Anti-Phospho-eNOS (Ser1176)/FITC Conjugated antibody
background:
eNOS is a calcium/calmodulin dependent enzyme which undergoes several post translational modifications, including acylation with myristate and palmitate, and phosphorylation on numerous residues. As with the other members of the NOS family, eNOS derives the diffusible multifunctional second messenger NO from L arginine through a series of reactions in which L citrulline is an intermediate. eNOS plays an important role in controlling vascular tone, platelet aggregation, and cardiac myocyte function.
Function:
Produces nitric oxide (NO) which is implicated in vascular smooth muscle relaxation through a cGMP-mediated signal transduction pathway. NO mediates vascular endothelial growth factor (VEGF)-induced angiogenesis in coronary vessels and promotes blood clotting through the activation of platelets.
Isoform eNOS13C: Lacks eNOS activity, dominant-negative form that may down-regulate eNOS activity by forming heterodimers with isoform 1.
Subunit:
Homodimer. Interacts with NOSIP and NOSTRIN.
Subcellular Location:
Cell membrane. Membrane, caveola. Cytoplasm, cytoskeleton. Golgi apparatus. Note=Specifically associates with actin cytoskeleton in the G2 phase of the cell cycle; which is favored by interaction with NOSIP and results in a reduced enzymatic activity.
Tissue Specificity:
Platelets, placenta, liver and kidney.
Post-translational modifications:
Phosphorylation by AMPK at Ser-1177 in the presence of Ca(2+)-calmodulin (CaM) activates activity. In absence of Ca(2+)-calmodulin, AMPK also phosphorylates Thr-495, resulting in inhibition of activity. Phosphorylation of Ser-114 by CDK5 reduces activity.
Similarity:
Belongs to the NOS family.
Contains 1 FAD-binding FR-type domain.
Contains 1 flavodoxin-like domain.
Database links:
Entrez Gene: 287024 Cow
Entrez Gene: 403784 Dog
Entrez Gene: 4846 Human
Entrez Gene: 18127 Mouse
Entrez Gene: 397557 Pig
Entrez Gene: 2920 Rat
Omim: 163729 Human
SwissProt: P29473 Cow
Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
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