The data contents of the available columns are described below.
The standard IUPAC single letter codes for each amino acid
The standard IUPAC three letter codes for each amino acid
The IUPAC trivial name of each amino acid
Symbols indicating the chemical properties of each amino acid side chain
The frequency of occurrence, expressed as a percentage, of each amino acid in all NP, AP and YP records in the NCBI Reference Sequence database as of January 17, 2006.
Side chain flexibility
A general description of the possible side chain motions caused by rotations about covalent bonds.
Molecular interaction modes
A list of modes in which side chain atoms may interact with atoms of other molecules including van der Waals interactions, hydrogen bonds, ionic bonds, and disulfide bonds.
Potential side chain hydrogen bonds
The total number of possible hydrogen bonds (both donated and accepted) involving side chain atoms
Residue molecular weight
The molecular weight of the amino acid residue incorporated into a polypeptide chain, which is equal to the molecular weight of the free amino acid minus the molecular weight of water
The pH at which the free amino acid is a neutral species (with no net charge)
A normalized hydrobicity scale (Eisenberg, D. et al, J. Mol. Biol. (1984) 179:125) in which the most hydrophobic amino acid has a value of 1.000 and the most hydrophilic has a value of 0.0000. This is the same scale used in Cn3D 4.1.
The RNA codons encoding each amino acid using the standard translation table.