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BACKGROUND Temporins are small antimicrobial peptides secreted by the Rana temporaria showing mainly activity against Gram-positive bacteria. However, different members of the temporin family, such as Temporin B, act in synergy also against Gram-negative bacteria. With the aim to develop a peptide with a wide spectrum of antimicrobial activity we designed(More)
Although the disproportionate frequency of several immunologic disorders among women is well recognized, the effect of sex steroids on immunologic processes is unclear. We used an animal model, which has helped to elucidate the effect of corticosteroids in vivo, to quantitatively assess the effect of estradiol and steroid analogues on the immune clearance(More)
In the funneled landscape, proteins fold to their native states through a stochastic process in which the free energy decreases spontaneously and unfolded, transition, native, and possible intermediate states correspond to local minima or saddle points. Atomic description of the folding pathway appears therefore to be essential for a deep comprehension of(More)
The exact evolutionary origin of the zinc finger (ZF) domain is unknown, as it is still not clear from which organisms it was first derived. However, the unique features of the ZF domains have made it very easy for evolution to tinker with them in a number of different manners, including their combination, variation of their number by unequal crossing-over(More)
The specific arrangement of secondary elements in a local motif often totally relies on the formation of coordination bonds between metal ions and protein ligands. This is typified by the ~30 amino acid eukaryotic zinc finger motif in which a β-sheet and an α-helix are clustered around a zinc ion by various combinations of four ligands. The prokaryotic zinc(More)
The possibility of choices of protein ligands and coordination geometries leads to diverse Zn(II) binding sites in zinc-proteins, allowing a range of important biological roles. The prokaryotic Cys2His2 zinc finger domain (originally found in the Ros protein from Agrobacterium tumefaciens) tetrahedrally coordinates zinc through two cysteine and two(More)
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