| Name | NCF4 Full-Length MS Protein Standard |
|---|---|
| Cat# | CPFL316094 |
| Protein Name | neutrophil cytosolic factor 4, 40kDa |
| Symbol | NCF4 |
| Synonyms | NCF; P40PHOX; SH3PXD4 |
| Accession | NM_000631 |
| Cytogenetic | 22q13.1 |
| Amino Acid Labeled | [U- 13C6, 15N4]-L-Arg and [U- 13C6, 15N2]-L-Lys |
| Chemical Purity | > 80% as determined by SDS-PAGE and Coomassie blue staining |
| Expression Host | Human HEK293 cells |
| Predicted MW | 38.9 kDa |
| Expression TrueORF Clone | RC216094 |
| Description | NCF4 Full-Length MS Protein Standard (NP_000622), Labeled with [U- 13C6, 15N4]-L-Arginine and [U- 13C6, 15N2]-L-Lysine, was produced in human 293 cells (HEK293) with fully chemically defined cell culture medium to obtain incorporation efficiency at Creative-Proteomics. 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 distinct isoforms have been observed. |
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