Abstract
Infrared dichroic studies and deuterium exchange measurements of somatostatin and some of its analogs incorporated in uniaxially oriented polyoxyethylene are described. Band positions and dichroic ratios in the N‐H stretching and amide I and II regions are similar to those of flexible and nonordered peptides like valinomycin and poly[Glu(ONa)]. This information, together with fast deuterium exchange rates, suggests that somatostatin exists in a flexible nonordered conformation in polyoxyethylene. One analog, di‐S3,14‐acetamidomethyl dihydrosomatostatin, was found to exist in both nonordered and β‐like conformations.
Original language | English |
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Pages (from-to) | 341-352 |
Number of pages | 12 |
Journal | Biopolymers |
Volume | 19 |
Issue number | 2 |
DOIs | |
State | Published - Feb 1980 |