A Tool for Structure Alignment of Molecules

Authors: Pei-Ken Chang, Chien-Cheng Chen and Ming Ouhyoung
Department of Computer Science and Information Engineering, National Taiwan University

Proc. of IEEE Sixth International Symposium on Multimedia Software Engineering (IEEE-MSE2004) Special Session on Bioinformatics, pp. 354-361, Miami, USA, Dec. 2004. (ISBN 0-7695-2217-3)
Difference between Proteins and Nucleic Acids

Proteins are made up of a series of amino acids.

Nucleic Acids (RNA and DNA) are made up of a series of nucleotides.

The center of an amino acid is the carbon bonded to four different groups. The fourth group, R, is different for each amino acid.

A nucleotide is composed of a five-carbon sugar, a nitrogenous base and a phosphate group.

The five nitrogenous bases.