The alpha carbon (Cα) in organic molecules refers to the first carbon atom that attaches to a functional group, such as a carbonyl.
The ångström or angstrom is a unit of length equal to (one ten-billionth of a metre) or 0.1 nanometre.
A MetaServer is considered a central broker providing a collated view (similar to a database view) for dispersed web resources.
Protein structure prediction is the inference of the three-dimensional structure of a protein from its amino acid sequence—that is, the prediction of its folding and its secondary and tertiary structure from its primary structure.
Structural alignment attempts to establish homology between two or more polymer structures based on their shape and three-dimensional conformation.