Electrostatic Interactions Involving Lysine Make Major Contributions to Collagen Triple-Helix Stability†

Biochemistry ◽  
2005 ◽  
Vol 44 (5) ◽  
pp. 1414-1422 ◽  
Author(s):  
Anton V. Persikov ◽  
John A. M. Ramshaw ◽  
Alan Kirkpatrick ◽  
Barbara Brodsky
Keyword(s):  
Electrostatic Interactions ◽  
Triple Helix ◽  
Collagen Triple Helix ◽  
Helix Stability

Contributions of cation–π interactions to the collagen triple helix stability

2011 ◽  
Vol 508 (1) ◽  
pp. 46-53 ◽  
Author(s):  
Chia-Ching Chen ◽  
Wei Hsu ◽  
Kuo-Chu Hwang ◽  
Jih Ru Hwu ◽  
Chun-Cheng Lin ◽  
...  
Keyword(s):  
Triple Helix ◽  
Π Interactions ◽  
Collagen Triple Helix ◽  
Helix Stability

scholarly journals Decoding Collagen Triple Helix Stability by Means of Hybrid DFT Simulations

2019 ◽  
Vol 123 (34) ◽  
pp. 7354-7364 ◽  
Author(s):  
Michele Cutini ◽  
Massimo Bocus ◽  
Piero Ugliengo
Keyword(s):  
Triple Helix ◽  
Collagen Triple Helix ◽  
Helix Stability ◽  
Dft Simulations

Control of Collagen Triple Helix Stability by Phosphorylation

2017 ◽  
Vol 18 (4) ◽  
pp. 1157-1161 ◽  
Author(s):  
Amanda M. Acevedo-Jake ◽  
Daniel H. Ngo ◽  
Jeffrey D. Hartgerink
Keyword(s):  
Triple Helix ◽  
Collagen Triple Helix ◽  
Helix Stability

Tuning of Collagen Triple-Helix Stability in Recombinant Telechelic Polymers

2012 ◽  
Vol 13 (5) ◽  
pp. 1250-1258 ◽  
Author(s):  
Catarina I. F. Silva ◽  
Paulina J. Skrzeszewska ◽  
Monika D. Golinska ◽  
Marc W. T. Werten ◽  
Gerrit Eggink ◽  
...  
Keyword(s):  
Triple Helix ◽  
Telechelic Polymers ◽  
Collagen Triple Helix ◽  
Helix Stability

A THEORETICAL STUDY OF THE SUBSTITUENT EFFECT ON THE STABILITY OF COLLAGEN

2004 ◽  
Vol 03 (02) ◽  
pp. 225-243 ◽  
Author(s):  
JUN-MIN QUAN ◽  
YUN-DONG Wu
Keyword(s):  
Electrostatic Interactions ◽  
Triple Helix ◽  
Density Functional ◽  
Theoretical Calculations ◽  
Substituent Effects ◽  
Binding Energies ◽  
Model Studies ◽  
Collagen Triple Helix ◽  
Triple Helices ◽  
The Stability

Theoretical calculations have been carried out to investigate the effect of the 4(R)-substituents ( OH , F , NH 2, and [Formula: see text]) in proline on the stability of the collagen triple helix. A series of substituted proline models were studied first with density functional (B3LYP/6-31+G*) calculations. The solvent effect was studied using the SCIPCM method. While the F , OH and NH 2 groups increase the stability of the trans-up conformation with respect to the trans-down conformation, [Formula: see text] appears to favor the trans-down conformation in an aqueous solution. Second, the triple helices of the tripeptide models, Ac – Pro – Pro(X) – Gly – H with the two proline residues in the down/down and down/up puckering conformations, were optimized with a repeating unit approach using the HF/6-31G* method. For the Ac – Pro – Pro – Gly – H model peptide, the calculated binding energies of the two triple helices with the different puckering modes are similar. All four substituents, F , OH , NH 2, and [Formula: see text], considerably increased the binding energy of the down/up helix, but only [Formula: see text] stabilizes the down/down triple helix. Our calculations indicate that the inter-chain electrostatic interactions involving the 4(R)-substituents play an important role in stabilizing triple helical collagen models and allow the rationalization of all available experimental observations. Further model studies indicate that the substituent effects by the F , OH and NH 2 substituents are local while the effect of [Formula: see text] is long-range in nature.

scholarly journals Physical factors of collagen triple helix stability

2006 ◽  
Vol 22 (6) ◽  
pp. 458-467 ◽  
Author(s):  
O. P. Boryskina ◽  
T. V. Bolbukh ◽  
M. A. Semenov ◽  
V. Ya. Maleev
Keyword(s):  
Triple Helix ◽  
Physical Factors ◽  
Collagen Triple Helix ◽  
Helix Stability
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