อ้างอิง ของ ทริปโตเฟน

  1. ↑ IUPAC-IUBMB Joint Commission on Biochemical Nomenclature. "Nomenclature and Symbolism for Amino Acids and Peptides". Recommendations on Organic & Biochemical Nomenclature, Symbols & Terminology etc. สืบค้นเมื่อ 2007-05-17.
  2. ↑ Pallaghy PK, Melnikova AP, Jimenez EC, Olivera BM, Norton RS (1999). "Solution structure of contryphan-R, a naturally-occurring disulfide-bridged octapeptide containing D-tryptophan: comparison with protein loops". Biochemistry. 38 (35): 11553–9. doi:10.1021/bi990685j. PMID 10471307.CS1 maint: multiple names: authors list (link)