Reference and Notes

^ Proline is an exception to this general formula. It lacks the NH2 group because of the cyclization of the side chain.
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^ Claude Liebecq (Ed) Biochemical Nomenclature and Related Documents, 2nd edition, Portland Press, 1992, pages 39-69 ISBN 978-1855780057
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^ Carpino, L. A. (1992) 1-Hydroxy-7-azabenzotriazole. An efficient Peptide Coupling Additive. J. Am. Chem. Soc. 115, 4397-4398.
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^ Chapter 39 PVT TIM HALL. Retrieved on 2007-09-29.
^ Memory aids for medical biochemistry. http://mednote.co.kr/Yellownote/BIOCHMNEMON.htm Access date 25 February 2006