2aas

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[[Image:2aas.jpg|left|200px]]
[[Image:2aas.jpg|left|200px]]
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{{Structure
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|PDB= 2aas |SIZE=350|CAPTION= <scene name='initialview01'>2aas</scene>
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The line below this paragraph, containing "STRUCTURE_2aas", creates the "Structure Box" on the page.
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|SITE=
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Pancreatic_ribonuclease Pancreatic ribonuclease], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.27.5 3.1.27.5] </span>
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{{STRUCTURE_2aas| PDB=2aas | SCENE= }}
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2aas FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2aas OCA], [http://www.ebi.ac.uk/pdbsum/2aas PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2aas RCSB]</span>
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'''HIGH-RESOLUTION THREE-DIMENSIONAL STRUCTURE OF RIBONUCLEASE A IN SOLUTION BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY'''
'''HIGH-RESOLUTION THREE-DIMENSIONAL STRUCTURE OF RIBONUCLEASE A IN SOLUTION BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY'''
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[[Category: Rico, M.]]
[[Category: Rico, M.]]
[[Category: Santoro, J.]]
[[Category: Santoro, J.]]
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[[Category: hydrolase(endoribonuclease)]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 18:49:32 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 01:50:14 2008''
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Revision as of 15:49, 3 May 2008

Image:2aas.jpg

Template:STRUCTURE 2aas

HIGH-RESOLUTION THREE-DIMENSIONAL STRUCTURE OF RIBONUCLEASE A IN SOLUTION BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY


Overview

High-resolution three-dimensional structures of bovine pancreatic ribonuclease A in aqueous solution have been determined by nuclear magnetic resonance (NMR) spectroscopy combined with restrained molecular dynamics calculations. The structures are based on: (1) 464 interproton distance constraints with accurate upper and lower limits, determined from build-up rates of nuclear Overhauser effects (NOE) by using the complete relaxation matrix; (2) 999 more approximate upper limits for interproton distances; and (3) 42 dihedral angle constraints (37 for phi and 5 for chi 1). A total of 16 structures were calculated, which show a root-mean-square (r.m.s.) deviation of 0.66 A for the backbone atoms and 1.68 A for all heavy-atoms. The converged structures are highly similar to those found in the crystal state. r.m.s. deviation of backbone atom positions in the crystal as compared to those in the average solution structure is 0.92 A. Observed differences are concentrated in loop regions and in the neighborhood of His119 and His48 side-chains. Dynamic aspects, such as H/D amide proton exchange and side-chain mobility have been examined.

About this Structure

2AAS is a Single protein structure of sequence from Bos taurus. Full crystallographic information is available from OCA.

Reference

High-resolution three-dimensional structure of ribonuclease A in solution by nuclear magnetic resonance spectroscopy., Santoro J, Gonzalez C, Bruix M, Neira JL, Nieto JL, Herranz J, Rico M, J Mol Biol. 1993 Feb 5;229(3):722-34. PMID:8381876 Page seeded by OCA on Sat May 3 18:49:32 2008

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