Select amino acid(s) by residue number
Type the sequence number of the single amino acid you wish to select
or the range of amino acids (for example 121-123),
then press Enter/Return.
The display will zoom in on the amino acid(s) you have selected
and they will be shown in ball-and stick representation using
the color scheme shown below.
Element Color Scheme (CPK)
Note that hydrogen atoms are not shown.