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Synthesis of sequential polypeptides containing lysine and tyrosine

✍ Scribed by S. St. Pierre; R. T. Ingwall; M. Goodman

Publisher
Wiley (John Wiley & Sons)
Year
1978
Tongue
English
Weight
513 KB
Volume
17
Category
Article
ISSN
0006-3525

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✦ Synopsis

Abstract

Sequential polypeptides with the repeating units L‐tyrosyl‐L‐lysyl, L‐tyrosyl‐(L‐lysyl)~2~, and L‐tyrosyl‐(L‐lysyl)~3~ have been synthesized by solution polymerization of the N‐hydroxy‐succinimide esters of the corresponding di‐, tri‐, and tetrapeptides. The monomers for the polytripeptide and polytetrapeptide were prepared by fragment condensation, using the mixed carbonic anhydride coupoling method. Moderately high molecular weight polypeptides were obtained.

📜 SIMILAR VOLUMES

Conformational studies of sequential pol
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✍ S. St. Pierre; R. T. Ingwall; M. S. Verlander; M. Goodman 📂 Article 📅 1978 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 635 KB

## Abstract The conformation of three sequential copolypeptides, poly(L‐tyrosyl‐L‐lysine), poly(L‐tyrosyl‐L‐lysyl‐L‐lysine), and poly[L‐tyrosyl‐(L‐lysyl)~2~‐L‐lysine] have been studied by a variety of techniques, including CD, ir spectroscopy, analytical ultracentrifugation, and x‐ray diffraction.

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✍ Allen R. Zeiger; John S. Ellis; Paul H. Maurer 📂 Article 📅 1985 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 986 KB

## Abstract Six sequential polytetrapeptides containing equimolar amounts of tyrosine, glutamic acid, alanine, and glycine were characterized by CD and difference spectroscopy over a wide range of pH. As the pH was lowered from physiological values, each of the polymers underwent pH‐sensitive trans