
| (2R)-2-[6-((1S)-1-aminoethyl)(2S,6S)-2-methyl-3-oxomorpholin-4-yl]propanoic acid |
| GT-1 | inverse gamma-turn |
| Brickmann(1999) |

| (2R)-2-[6-((1S)-1-aminoethyl)(2S,6R)-2-methyl-3-oxomorpholin-4-yl]propanoic acid |
| GT-2 | classical gamma-turn |
| Brickmann(1999) |

| 2-[(6R)-4-(aminomethyl)-5,7-dioxo-1-phenyl-1,4-diazaperhydroepin-6-yl]acetic acid |
| GT-3 | heterocyclic y-turn mimetic - based on a 7-membered ring |
| Callahan(1992) |

| (2S)-2-[(3S)-5-((1S)-1-aminoethyl)-3-methyl(2,3-dihydro-6H,7H-1,4-diazepinyl)]propane-1,1-diol |
| GT-4 | heterocyclic y-turn mimetic- azepine based |
| Callahan(1993) |

| (3S)-5-((1S)-1-aminoethyl)-1-((1S)-2,2-dihydroxy-isopropyl)-3-methyl-3H,6H,7H-1,4-diazepin-2-one |
| GT-5 | heterocyclic y-turn mimetic- azepine based |
| Callahan(1993)Schmidt(1997) |

| 2-[(2S)-3-oxo-4-(2-phenylethyl)-1H,2H,5H-benzo[f]1,4-diazaperhydroepin-2-yl]acetic acid |
| GT-6 | heterocyclic y-turn mimetic - based on a 7-membered ring |
| Keenan(1999) |

| (2S)-2-[7-((1S,2S)-1-amino-1,2-dimethylbutyl)(2S,7S)-2-(2-methylpropyl)-3,6-dioxo(1,4,5-oxadiazaperhydroepin-4-yl)]-4-methylpentanoic acid |
| GT-7a | heterocyclic y-turn mimetic - based on a 7-membered ring |
| Ferguson(1997) |

| (2S)-2-[7-((1S,2S)-1-amino-1,2-dimethylbutyl)(2S,7S)-2-(2-methylpropyl)-3,6-dioxo(1,4,5-oxadiazaperhydroepin-4-yl)]-4-methylpentanoic acid |
| GT-7b | heterocyclic y-turn mimetic - based on a 7-membered ring |
| Ferguson(1997) |

| methyl 2-((3R)-2-oxo-3-{[benzylamino]methyl}piperidyl)acetate |
| GT-8 | heterocyclic y-turn mimetic |
| Sato(1992) |

| (1S,3S,5R)-5-[(4-hydroxyphenyl)methyl]-3-(triaminomethyl)cyclohexanecarboxylic acid |
| GT-9 | heterocyclic y-turn mimetic |
| Sato(1992) |

| 2-{(4S)-7-amino-4-[(4-hydroxyphenyl)methyl]-3-oxo(2-1,2,4-trihydroisoquinolyl)}(2S,3R)-3-methylpentanoic acid |
| GT-10 | heterocyclic y-turn mimetic |
| Schmidt(1997) |

| (9S,1R,6R)-6-amino-2,2,5,5,9-pentamethyl-7,10-dioxo-3,4-dithia-8,11-diazacycloundecanecarboxylic acid |
| GT-11 | induced y-turn mimetic - based on side-chain covalent linkage |
| Kishore(1985) |

| (7S,15S,9aR)-9,14-dioxo-15-[(2-oxoethyl)amino]-6,7,8,13,15,21,9a-heptahydroindeno[2,3-a]indeno[3,2-k]pyrrolidino[2,1-g][13]annulene-7-carboxylic acid |
| GT-12 | induced y-turn mimetic - based on side-chain covalent linkage |
| Stachel(1998) |

| 2-[(1S)-1-(6-methyl(2-pyridyl))ethyl]-6-methylphenol |
| GT-13 | induced y-turn mimetic - based hydrogen bond |
| Lindvall(1999) |