FNIP1 (Folliculin interacting protein 1, DKFZp686E18167, DKFZp781P0215, KIAA1961, MGC667) (Control Peptide)
Catalog No : USB-F6002-66-P
421.85€
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| Product name | FNIP1 (Folliculin interacting protein 1, DKFZp686E18167, DKFZp781P0215, KIAA1961, MGC667) (Control Peptide) | ||
|---|---|---|---|
| Catalog No | USB-F6002-66-P | ||
| Supplier’s Catalog No | F6002-66-P | ||
| Supplier | US Biologicals | ||
| Source antigen | Synthetic | ||
| Reactivity | |||
| Cross reactivity | |||
| Applications | |||
| Molecular weight | |||
| Storage | -20°C | ||
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| Other names | |||
| Grade | Highly Purified | ||
| Purity | Highly Purified | ||
| Form | Supplied as a lyophilized powder in PBS. Reconstitution: Reconstitute with 200ul sterile ddH2O. | ||
| Reactivity life | 12 months | ||
| Note | For reserch purpose only | ||
| Purity | Highly Purified | ||
| Description | C-terminus of aa-ENISQQEREDIQN Control peptide corresponding to polyclonal antibody, Catalog#F6002-66, goat x human. The FNIP1 gene consists of a 6655 nt mRNA (using NM 133372 derived from AC005593.1, DQ145719.1, AC008695.9 and AL832008.1, the coding sequence extends from nt143 to nt3643) and contains 18 coding exons. The initiation codon is located within exon 1. Northern blot analysis revealed an about 7 kb FNIP1 mRNA transcript that was expressed in most major adult tissues, with strongest expression in heart, liver and placenta, and expression in kidney and lung, tissues involved in the Birt-Hogg-Dube' syndrome phenotype (see below). Several alternate transcripts lacking one or more exons have been reported. Transcript 1 is the full-length isoform. Transcript 2 lacks exon 7 (NM 001008738). The FNIP1 protein contains 1166 amino acids and has an estimated molecular weight of 130kD. Epitope-tagged FNIP1 expressed in HeLa cells localized exclusively in the cytoplasm. Coimmunoprecipitation studies to elucidate the function of folliculin (FLCN) (encoded by the tumor suppressor gene, BHD/FLCN, which is mutated in the Birt-Hogg-Dube' syndrome) identified a novel folliculin-interacting protein, FNIP1, which interacts through the C-terminus of FLCN. FNIP1 overexpression enhanced phosphorylation of FLCN and phospho-FLCN preferentially bound to FNIP1. FNIP1 is a novel protein with no domains to suggest function. By coimmunoprecipitation studies FNIP1 was also found to interact with the heterotrimer, 5'AMP-activated protein kinase (AMPK), a key molecule for energy sensing and a negative regulator of mTOR (mammalian target of rapamycin). AMPK, which bound to FNIP1, was preferentially in its phosphorylated (active) form and FNIP1 could act as a substrate for AMPK phosphorylation both in vitro and in vivo. Inhibition of AMPK kinase activity resulted in reduced FNIP1 protein expression in HEK293 cells suggesting that phosphorylation of FNIP1 by AMPK may enhance protein stability. These data suggest that FNIP1 and its interacting partner, FLCN, may be involved in energy and nutrient-sensing through the AMPK and mTOR signaling pathways. FNIP1 was also shown to interact with HSP90 by coimmunoprecipitation in HEK293 cells. A comparison of FNIP1 proteins across species identified 5 blocks of conserved sequence with at least 35% similarity. FNIP1 homologs have been identified in Mus musculus, Gallus gallus, Xenopus tropicalis, Danio rerio, Drosophila melanogaster and Caenorhabditis elegans. FNIP1 interacts with FLCN, encoded by a novel tumor suppressor gene, BHD/FLCN, which is mutated in the germline of patients with BHD syndrome. Genodermatosis characterized by the triad of benign tumors of the hair follicle, spontaneous pneumothorax and kidney tumors. Applications: Suitable for use in ELISA. Other applications not tested. Recommended Dilution: 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 and to avoid repeated freezing and thawing, aliquot and store at -20°C. Aliquots are stable for at least 12 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. Peptide Blocking (see corresponding antibody F6002-66): Antibodies are typically supplied at 0.5mg/ml and peptides as a 100ul pellet. When peptides are reconstituted in 200ul water, the concentration would be also 0.5mg/ml. To start, the best ratio would be 1:1 (which means molar excess of peptides relative to antibodies when identical volumes are mixed). Mix equal volumes of peptide and antibody at the required dilution and leave at ambient temperature. It is best is to have two identical blots, to be incubated with equal amount of antibodies, but one with the antibodies pre-adsorbed to the peptide for 20min. Then incubate and develop the two blots in parallel. | ||
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