<unk>  or amino acid<unk>  is the order in which amino acid residues, connected by<unk>  bonds, lie in the chain in<unk> s and Proteins.  The<unk>  is generally reported from the N-terminal end containing free amino group to the C-terminal end containing free carboxyl group.<unk>  is often called protein<unk>  if it represents the primary structure of a protein.
Peptide sequence
Molecular mass
Quaternary structure
DNA sequence
Potential energy
Extraction ratio
Chemical symbol
Spin quantum number