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. 1998 Apr 14;95(8):4303–4308. doi: 10.1073/pnas.95.8.4303

Table 1.

N-substituted glycine side chains

graphic file with name pq0883104t1a.jpg

graphic file with name pq0883104t1b.jpg

N-substituted glycine oligomer, or polypeptoid  
R = Side chain* Designator
Nspe = (S)-N(1-phenylethyl)glycine
Nrpe = enantiomer of structure shown, (R)-N-(1-phenylethyl)glycine
Nsnp = (S-N-(1-(p-nitrophenyl)ethyl)glycine
Nrnp = enantiomer of structure shown, (R)-N-(1-(p-nitrophenyl)ethyl)glycine
Nsam = (S)-N-(2-amino-1-methylethyl)glycine
Nsce = (S)-N-(1-carboxyethyl)glycine
Nsch = (S)-N-(1-cyclohexylethyl)glycine
Nsme = (S)-N-(1-((morpholino)carbonyl)ethyl)glycine
Nam = N-(2-acetamidoethyl)glycine
Nae = N-(2-aminoethyl)glycine

*These structures refer to the N-substituent of a glycine monomer.