The helix-coil transition has been studied by high-resolution NMR for three watersoluble polypeptides. Such systems are better models for protein behavior than those in TFA-CDC13 solvent. An upfield shift of ~7 cps is observed for the a-CH peak of poly(bg1utamic acid) and poly-clysine as the helix c
Studies on synthetic polypeptide antigens VII. The immunogenicity of an aggregate of poly-L-glutamic acid and poly-L-lysine
β Scribed by Thomas J. Gill III; Paul Doty
- Book ID
- 115790918
- Publisher
- Elsevier Science
- Year
- 1962
- Weight
- 132 KB
- Volume
- 60
- Category
- Article
- ISSN
- 0006-3002
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The binding of the methylmercury cation CH3Hg+ by poly(L-glutamic acid) (PGA) and by poly(i-lysine) (PLL) has been investigated by b a n spectroscopy. Coordination on the side-chain COO-and NH; groups of these polypeptides gave characteristic ligand-Hg stretching modes at ca. 505 and 450 cm-', respe
## Abstract The effects of three cationic surfactants, dodecylammonium chloride (DAC), dodecyldimethylammonium chloride (DDAC), and dodecyldimethylammonium chloride (DTDAC), on the conformation of poly(Lβglutamic acid) and at neutral pH were examined by CD. The maximum extent of the Ξ±βhelix inducti