The protein encoded by this gene is a Cytosolic regulatory component of the superoxide-producing phagocyte NADPH-oxidase, a multicomponent enzyme system important for host defense. This protein is preferentially expressed in cells of myeloid lineage. It interacts primarily with neutrophil Cytosolic factor 2 (NCF2/p67-phox) to form a complex with neutrophil Cytosolic factor 1 (NCF1/p47-phox), which further interacts with the small G protein RAC1 and translocates to the membrane upon cell stimulation. This complex then activates flavocytochrome b, the membrane-integrated catalytic core of the enzyme system. The PX domain of this protein can bind phospholipid products of the PI(3) kinase, which suggests its role in PI(3) kinase-mediated signaling events. The phosphorylation of this protein was found to negatively regulate the enzyme activity. Alternatively spliced transcript variants encoding d
Catalog No
A0697
Reactivity
Human, Mouse
Applications
IHC-p, IF(paraffin section), ELISA
Modification
Phospho Specific
Source
Polyclonal Rabbit
Dilution
WB 1:500-2000 ,Immunohistochemistry: 1/100 - 1/300. ELISA: 1/5000. Not yet tested in other applications.
Purification
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Concentration
1 mg/ml
Storage and Stability
-20°C/1 year
Other Name
NCF4; SH3PXD4; Neutrophil cytosol factor 4; NCF-4; Neutrophil NADPH oxidase factor 4; SH3 and PX domain-containing protein 4; p40-phox; p40phox
Molecular Weight (Da)
39031
Gene Name
NCF4
Protein Name
Neutrophil cytosol factor 4
Human Gene ID
4689
Human Swiss Prot No.
Q15080
Immunogen
The antiserum was produced against synthesized peptide derived from human p40 phox around the phosphorylation site of Thr154. AA range:120-169
Specificity
Phospho-p40-phox (T154) Polyclonal Antibody detects endogenous levels of p40-phox protein only when phosphorylated at T154.
Formulation
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Immunohistochemistry analysis of paraffin-embedded human ovary, using p40 phox (Phospho-Thr154) Antibody. The picture on the right is blocked with the phospho peptide.
