scholarly journals Role of aromatic residues in stabilizing the secondary and tertiary structure of avian pancreatic polypeptide

2007 ◽  
Vol 108 (4) ◽  
pp. 814-819 ◽  
Author(s):  
Nicholas Y. Palermo ◽  
József Csontos ◽  
Richard F. Murphy ◽  
Sándor Lovas
2016 ◽  
Vol 28 (4) ◽  
pp. 638-646 ◽  
Author(s):  
Stephan Warnke ◽  
Waldemar Hoffmann ◽  
Jongcheol Seo ◽  
Erwin De Genst ◽  
Gert von Helden ◽  
...  

Biochemistry ◽  
1976 ◽  
Vol 15 (20) ◽  
pp. 4370-4377 ◽  
Author(s):  
P. H. Bolton ◽  
C. R. Jones ◽  
D. Bastedo-Lerner ◽  
K. L. Wong ◽  
D. R. Kearns

2009 ◽  
Vol 11 (3) ◽  
pp. 680-687 ◽  
Author(s):  
Benjamin S. Frank ◽  
Didem Vardar ◽  
Deirdre A. Buckley ◽  
C. James McKnight

Biochemistry ◽  
1982 ◽  
Vol 21 (11) ◽  
pp. 2592-2600 ◽  
Author(s):  
Yee Hsiung Chen ◽  
Jang Chyi Tai ◽  
Wan Jen Huang ◽  
Ming Zong Lai ◽  
Mien Chie Hung ◽  
...  

1986 ◽  
Vol 238 (2) ◽  
pp. 485-490 ◽  
Author(s):  
S R Martin ◽  
P M Bayley

Near-u.v. and far-u.v. c.d. spectra of bovine testis calmodulin and its tryptic fragments (TR1C, N-terminal half, residues 1-77, and TR2C, C-terminal half, residues 78-148) were recorded in metal-ion-free buffer and in the presence of saturating concentrations of Ca2+ or Cd2+ under a range of different solvent conditions. The results show the following: if there is any interaction between the N-terminal and C-terminal halves of calmodulin, it has not apparent effect on the secondary or tertiary structure of either half; the conformational changes induced by Ca2+ or Cd2+ are substantially greater in TR2C than they are in TR1C; the presence of Ca2+ or Cd2+ confers considerable stability with respect to urea-induced denaturation, both for the whole molecule and for either of the tryptic fragments; a thermally induced transition occurs in whole calmodulin at temperatures substantially below the temperature of major thermal unfolding, both in the presence and in the absence of added metal ion; the effects of Cd2+ are identical with those of Ca2+ under all conditions studied.


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