"atoms" = atomname[,atomname]
= <atomname
= atomname>
atomname is the name (label) of a particular atom. atomname consists of 1-5 characters from the set "A-Z", "0-9", and "_". Each atomname within a given residue must be unique.
The wildcard characters "*" (matches any character string) and "%" (matches a single character) are supported in specifying atomname.
"atoms" Description* all atoms (in the default or specified residues N3 atom named "N3" N* any atom with an atomname prefix of "N" C7,N3 atoms named "C7" and "N3" <N3 atom named "N3" in the previous residue N3> atom named "N3" in the following residue
NOTE: The wildcard characters "*" (matches any number of characters) and "%" (matches any single character) are not supported for "atype".