Detection of Human S100P by Western Blot. Western blot shows lysates of HT‑29 human colon adenocarcinoma parental cell line and S100P knockout HT‑29 cell line (KO). PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human S100P Monoclonal Antibody (Catalog # MAB2957) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for S100P at approximately 10 kDa (as indicated) in the parental HT‑29cell line, but is not detectable in knockout HT‑29 cell line. GAPDH(Catalog # AF5718) is shown as a loading control. This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
S100P in NTera-2 Human Cell Line. S100P was detected in immersion fixed NTera-2 human testicular embryonic carcinoma cell line using 10 µg/mL Mouse Anti-Human S100P Monoclonal Antibody (Catalog # MAB2957) for 3 hours at room temperature. Cells were stained with the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Human S100P is a 22 kDa, homodimeric member of the S100 family of calcium-binding proteins. The S100 family currently has more than 20 members and belongs to the EF-hand superfamily of molecules. S100P is 95 aa in length and contains short, sequential modules. There is an N-terminal alpha -helix, a unique EF-hand motif, an alpha -helix, a linker region, an alpha -helix, a classic EF-hand motif and a C-terminal alpha -helix. The EF-hand motif binds calcium, which likely alters molecular conformation. The rearranged S100P now binds ligand with the linker region. Human S100P shares 47% aa sequence identity with rat S100P.
S100 Calcium Binding Protein P
Entrez Gene IDs:
MIG9; migration-inducing gene 9; Protein S100-E; S100 calcium binding protein P; S100 calcium-binding protein Pprotein S100-P; S100E; S100P
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