1hra
From Proteopedia
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'''THE SOLUTION STRUCTURE OF THE HUMAN RETINOIC ACID RECEPTOR-BETA DNA-BINDING DOMAIN''' | '''THE SOLUTION STRUCTURE OF THE HUMAN RETINOIC ACID RECEPTOR-BETA DNA-BINDING DOMAIN''' | ||
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[[Category: Saag, P T.Van Der.]] | [[Category: Saag, P T.Van Der.]] | ||
[[Category: Schilthuis, J G.]] | [[Category: Schilthuis, J G.]] | ||
| - | [[Category: | + | [[Category: Dna-binding receptor]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 19:09:17 2008'' | |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 16:09, 2 May 2008
THE SOLUTION STRUCTURE OF THE HUMAN RETINOIC ACID RECEPTOR-BETA DNA-BINDING DOMAIN
Overview
The three-dimensional structure of the DNA-binding domain of the human retinoic acid receptor-beta (hRAR-beta) has been determined by nuclear magnetic resonance spectroscopy in conjunction with distance geometry, restrained molecular dynamics and iterative relaxation matrix calculations. A total of 1244 distance restraints were obtained from NOE intensities, of which 448 were intra-residue and 796 inter-residue restraints. In addition 23 chi and 30 phi dihedral angle restraints were obtained from J-coupling data. The two 'zinc-finger' regions of the 80-amino acid residue protein are followed by two alpha-helices that cross each other perpendicularly. There is a short stretch of b-sheet near the N-terminus. The alpha-helical core of the protein is well determined with a backbone root-mean-square deviation (r.m.s.d.) with respect to the average of 0.18 A and 0.37 A when the side chains of residues 31, 32, 36, 61, 62, 65 and 69 are included. The r.m.s.d. for the backbone of residues 5-80 is 0.76 A. For the first finger (residues 8-28), the r.m.s.d. of the backbone is 0.79 A. For the second finger (residues 44-62) the r.m.s.d. is 0.64 A. The overall structure is similar to that of the corresponding domain of the glucocorticoid receptor, although the C-terminal part of the protein is different. The second alpha-helix is two residues shorter and is followed by a well-defined region of extended backbone structure.
About this Structure
1HRA is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
The solution structure of the human retinoic acid receptor-beta DNA-binding domain., Knegtel RM, Katahira M, Schilthuis JG, Bonvin AM, Boelens R, Eib D, van der Saag PT, Kaptein R, J Biomol NMR. 1993 Jan;3(1):1-17. PMID:8383553 Page seeded by OCA on Fri May 2 19:09:17 2008
