Family305:3-Hydroxyproline Family303:4-oxo-Proline Family286 2,5,7-Tris-tert-butyltryptophan Family264 4-Oxazolidinecarboxylic acid Family263 4-Amino-Proline Family 257 7-Hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid Family244: Thiolhistidine Family243: 3-(3-Thienyl)-Alanine Family242: 3-(2-Thienyl)-alanine Family241: Thiazolidine-4-carboxylic acid Family240: 3-(4-Thiazoyl)-alanine Family239: 3-(2-Thiazoyl)-alanine Family238: 1,2,3,4- tetrahydronorharmane -3-carboxylic acid Family237: 1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid Family236: Quinoylalanine Family235: 3-(2-Pyrrolyl)-alanine Family234: 3-(3-Pyrrolyl)-alanine Family233: 3-(3-Pyrrolidinyl)-alanine Family232: Pyrrolidine-3-carboxylic acid Family231: Pyroglutamic acid Family230: 3-(4-pyridyl)-Alanine Family229: 3-(3-pyridyl)-Alanine Family228: 3-(2-pyridyl)-Alanine Family227: Piperidine-4-carboxylic acid Family226: Piperidine-3-carboxylic acid Family225: Piperidine-2-carboxylic acid Family224: Penicillamine Family223: S-BenzylPenicillamine Family222: Naphthyl-Alanine Family221: Kynurenine Family220: Hydroxykynurenine Family219: Indanylglycine Family218: 3-(3-Furyl)-alanine Family217: 3-(2-Furyl)-alanine Family216: Cycloserine Family215: Cyclopentylglycine Family214: Cyclopentylalanine Family213: Cyclopropylalanine Family212: Cyclopropylglycine Family211: Cyclohexylglycine Family210: Cyclohexylalanine Family209: Cyclobutylglycine Family208: Cyclobutylalanine Family207: 3-(3-benzothienyl)-Alanine Family206: 3-(3-benzofuranyl)-Alanine Family205: 2-aziridinecarboxylic acid Family204: Azetidine-3-carboxylic acid Family203: Azetidine-2-carboxylic acid Family202: Anthrylalanine Family201: 1-Aminocyclopropane-1-carboxylic acid Family200: α-amino-2-cyclopentenylacetic acid Family199: α-amino-1- cyclohexenylpropionic acid Family198: 1-amino-cyclohexanecarboxylic acid Family197: 1-Aminocyclopentane-1-carboxylic acid Family196: 1-aminocyclobutane-1-carboxylic acid