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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 | Availability | Quantity |
---|---|---|---|
1 mg | $107 | In Stock | |
5 mg | $266 | In Stock | |
10 mg | $392 | In Stock | |
25 mg | $592 | In Stock | |
50 mg | $833 | In Stock | |
100 mg | $1,120 | In Stock | |
200 mg | $1,520 | 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. |
Alias | 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 |
Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
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