Science news articles about 'peptides and proteins'

... laboratory cells by setting in motion their self-destruct mechanism. The researchers fashioned a peptide (a protein subunit) that precisely matched the shape of the newly found trigger site on the ...

... mice, one way to do this is to target tumor proteins to a subset of immune cells known as dendritic ... linking the DNGR-1–specific antibody to peptides from proteins overexpressed by a melanoma cell line ...

Peptides are protein fragments consisting of up to 50 amino acids. However, peptides with a length of 15 ... involving the use of 20 different toners – because peptides consist of 20 different amino acids ...

... the spatial arrangement and relative abundance of specific molecules – from simple metabolites to peptides and proteins – in biological samples. The technique also takes advantage of the ability of ...

... spatial arrangement and relative abundance of specific molecules -- from simple metabolites to peptides and proteins -- in biological samples. The center includes biologists, chemists and engineers ...

... .D. Anderson Cancer Center in Houston, Zhang and his associates equipped the nanospheres with a peptide to a protein receptor that is abundant in melanoma cells, giving the nanospheres the ability to ...

... were not found in the S. jendeki venom. Ma concludes, "Many types of venom peptides and proteins have been obtained from diverse scorpion species. Some are widely distributed among scorpions from ...

... bound to it. This structure in turn helps to determine which amino acid chains – peptides and proteins – the calmodulin will bind. Techniques such as X-ray structural analysis offer snapshots, at ...

... Professor Woolfson, the hSAFs his team are developing will have different uses: "The downside of using peptides or proteins is that they are expensive compared with synthetic polymers. We are almost ...

... and coworkers found that the structure of PAP248-286 is unlike that of most other amyloid-forming peptides and proteins. In solution, SEVI is completely unstructured or has no definite shape and is ...