Related ArticlesThe effect of hydration on the dynamics of trimethoprim bound to dihydrofolate reductase. A deuterium NMR study.
Biophys J. 1993 Apr;64(4):1361-5
Authors: Yang QX, Huang FY, Huang TH, Gelbaum L
To determine the effect of hydration on the dynamics of a protein complex, we used deuterium nuclear magnetic resonance (NMR) techniques to examine a trimethoprim (TMP)/E. coli dihydrofolate reductase (DHFR) complex in its lyophilized, partially hydrated, polycrystalline, and ammonium sulfate-precipitated states. The results indicate that TMP is rigid in the lyophilized powder state. The dynamic behavior could be restored by partial rehydration. At 30 wt% hydration the deuterium spectrum of the partially hydrated sample was indistinguishable from that of the polycrystalline and ammonium sulfate-precipitated samples, suggesting that the structure of the protein/TMP complex is similar in the three physical states. Furthermore, we found that the para- and meta-methoxyl groups have very different dynamical behavior.
Hydration dependent dynamics in RNA
Hydration dependent dynamics in RNA
Abstract The essential role played by local and collective motions in RNA function has led to a growing interest in the characterization of RNA dynamics. Recent investigations have revealed that even relatively simple RNAs experience complex motions over multiple time scales covering the entire msā??ps motional range. In this work, we use deuterium solid-state NMR to systematically investigate motions in HIV-1 TAR RNA as a function of hydration. We probe dynamics at three uridine residues in different structural environments ranging from helical to...
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[NMR paper] The hydration of amides in helices; a comprehensive picture from molecular dynamics,
The hydration of amides in helices; a comprehensive picture from molecular dynamics, IR, and NMR.
Related Articles The hydration of amides in helices; a comprehensive picture from molecular dynamics, IR, and NMR.
Protein Sci. 2003 Mar;12(3):520-31
Authors: Walsh ST, Cheng RP, Wright WW, Alonso DO, Daggett V, Vanderkooi JM, DeGrado WF
We examined the hydration of amides of alpha(3)D, a simple, designed three-helix bundle protein. Molecular dynamics calculations show that the amide carbonyls on the surface of the protein tilt away from the...
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[NMR paper] NMR and molecular dynamics studies of the hydration of a zinc finger-DNA complex.
NMR and molecular dynamics studies of the hydration of a zinc finger-DNA complex.
Related Articles NMR and molecular dynamics studies of the hydration of a zinc finger-DNA complex.
J Mol Biol. 2000 Oct 6;302(5):1101-17
Authors: Tsui V, Radhakrishnan I, Wright PE, Case DA
The hydration of a high-affinity protein-DNA complex involving the three amino terminal zinc finger domains of transcription factor IIIA (TFIIIA) and a 15-base-pair DNA duplex was investigated by NMR spectroscopy and molecular dynamics (MD) simulations. Intermolecular nuclear...
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Hydration water dynamics in biopolymers from NMR relaxation in the rotating frame.
Hydration water dynamics in biopolymers from NMR relaxation in the rotating frame.
Related Articles Hydration water dynamics in biopolymers from NMR relaxation in the rotating frame.
J Magn Reson. 2010 Sep 24;
Authors: Blicharska B, Peemoeller H, Witek M
Assuming dipole-dipole interaction as the dominant relaxation mechanism of protons of water molecules adsorbed onto macromolecule (biopolymer) surfaces we have been able to model the dependences of relaxation rates on temperature and frequency. For adsorbed water molecules the correlation times are...
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[NMR paper] Dynamics of trimethoprim bound to dihydrofolate reductase--a deuterium NMR study.
Dynamics of trimethoprim bound to dihydrofolate reductase--a deuterium NMR study.
http://www.ncbi.nlm.nih.gov/corehtml/query/egifs/http:--linkinghub.elsevier.com-ihub-images-PubMedLink.gif Related Articles Dynamics of trimethoprim bound to dihydrofolate reductase--a deuterium NMR study.
Solid State Nucl Magn Reson. 1996 Dec;7(3):193-201
Authors: Yang QX, Huang FY, Lin TH, Gelbaum L, Howell EE, Huang TH
We have employed deuterium NMR techniques to determine the dynamics of trimethoprim (TMP) in a binary complex with dihydrofolate reductase...
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[NMR paper] The conformations of trimethoprim/E. coli dihydrofolate reductase complexes. A 15N an
The conformations of trimethoprim/E. coli dihydrofolate reductase complexes. A 15N and 31P NMR study.
http://www.ncbi.nlm.nih.gov/corehtml/query/egifs/http:--linkinghub.elsevier.com-ihub-images-PubMedLink.gif Related Articles The conformations of trimethoprim/E. coli dihydrofolate reductase complexes. A 15N and 31P NMR study.
FEBS Lett. 1991 May 20;283(1):44-6
Authors: Huang FY, Yang QX, Huang TH, Gelbaum L, Kuyper LF
We have employed 15N and 31P NMR techniques to characterize the conformations of trimethoprim (TMP)/E. coli dihydrofolate...