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Histatin 5 acetate inhibits the activity of the host matrix metalloproteinases MMP-2 and MMP-9 with IC50s of 0.57 and 0.25 μM, respectively.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $75 | In Stock | In Stock | |
| 5 mg | $186 | In Stock | In Stock | |
| 10 mg | $273 | In Stock | In Stock | |
| 25 mg | $413 | In Stock | In Stock | |
| 50 mg | $583 | In Stock | In Stock | |
| 100 mg | $783 | In Stock | In Stock | |
| 200 mg | $1,060 | In Stock | In Stock |
| Description | Histatin 5 acetate inhibits the activity of the host matrix metalloproteinases MMP-2 and MMP-9 with IC50s of 0.57 and 0.25 μM, respectively. |
| Targets&IC50 | MMP9:0.25 Μm, MMP2:0.57 μM |
| In vitro | Histatin 5 is a member of a family of low-molecular-weight salivary proteins secreted by parotid, submandibular, and sublingual glands. Using biotinylated gelatin as a substrate, Histatin 5 is found to inhibit the activity of the host matrix metalloproteinases MMP-2 and MMP-9 with IC50s of 0.57 and 0.25 μM, respectively. To localize the domain responsible for this inhibition, three peptides containing different regions of Histatin 5 are synthesized and tested as inhibitors of MMP-9. Peptides comprising residues 1 to 14 and residues 4 to 15 of Histatin 5 show much lower inhibitory activities (IC50s, 21.4 and 20.5 μM, respectively), while a peptide comprising residues 9 to 22 showed identical activity to Histatin 5 against MMP-9. Kinetic analysis of the inhibition of the Arg-gingipain reveals that Histatin 5 is a competitive inhibitor, affecting only the Km with a Ki of 15 μM. Histatin 5 is an inhibitor of mitochondrial respiration.The human salivary antifungal peptide Histatin 5 is taken up by Candida albicans cells and associates intracellularly with mitochondria. Histatin 5 inhibits respiration of isolated C. albicans mitochondria as well as the respiration of intact blastoconidia in a dose and time-dependent manner. Histatin 5 at a concentration of 33 uM inhibits state 2 respiration. |
| Synonyms | Histatin 5 acetate (115966-68-2 Free base) |
| Molecular Weight | 3096.35 |
| Formula | C135H199N51O35 |
| Smiles | OC([C@@H](NC(CNC([C@H](CCCNC(N)=N)NC([C@@H](NC([C@H](CO)NC([C@@H](NC([C@@H](NC([C@H](CCCCN)NC([C@H](CCC(O)=O)NC([C@@H](NC([C@@H](NC([C@H](CCCCN)NC([C@H](CCCNC(N)=N)NC([C@H](CCCCN)NC([C@@H](NC(CNC([C@@H](NC([C@@H](NC([C@H](CCCNC(N)=N)NC([C@H](CCCCN)NC([C@@H](NC([C@@H](NC([C@H](CO)NC([C@@H](N)CC(O)=O)=O)=O)CC1=CN=CN1)=O)C)=O)=O)=O)CC2=CN=CN2)=O)CC3=CN=CN3)=O)=O)CC4=CC=C(O)C=C4)=O)=O)=O)=O)CC5=CC=CC=C5)=O)CC6=CN=CN6)=O)=O)=O)CC7=CN=CN7)=O)CC8=CN=CN8)=O)=O)CC9=CN=CN9)=O)=O)=O)CC%10=CC=C(O)C=C%10)=O.CC(O)=O |
| Relative Density. | no data available |
| Sequence | H-Asp-Ser-His-Ala-Lys-Arg-His-His-Gly-Tyr-Lys-Arg-Lys-Phe-His-Glu-Lys-His-His-Ser-His-Arg-Gly-Tyr-OH |
| Sequence Short | DSHAKRHHGYKRKFHEKHHSHRGY |
| Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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