1hrj: Difference between revisions
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'''HUMAN RANTES, NMR, 13 STRUCTURES''' | '''HUMAN RANTES, NMR, 13 STRUCTURES''' | ||
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[[Category: Proudfoot, A E.I.]] | [[Category: Proudfoot, A E.I.]] | ||
[[Category: Wells, T N.C.]] | [[Category: Wells, T N.C.]] | ||
[[Category: | [[Category: Cc chemokine]] | ||
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Revision as of 16:09, 2 May 2008
HUMAN RANTES, NMR, 13 STRUCTURES
Overview
The solution structure of the chemokine RANTES (regulated on activation, normal T-cell expressed and secreted) has been determined using NMR spectroscopy. Backbone and side-chain 1H and 15N assignments have been obtained using a combination of two-dimensional homonuclear and three-dimensional heteronuclear spectra. Regular elements of secondary structure have been identified on the basis of a qualitative interpretation of NOE data, J(NH-H alpha) coupling constants, and amide exchange rates. Three-dimensional structures were calculated from a total of 2146 experimental restraints using a combination of distance geometry and simulated annealing protocols. For the 13 best structures the average backbone (N, C alpha, C) atomic rmsd from the mean coordinates for residues 5-65 is 0.64 A (+/- 0.14 A) for the dimer and 0.50 A (+/- 0.08 A) for the individual monomers. Each monomer consists of a three-stranded antiparallel beta-sheet (residues 26-30, 38-43, 48-51) in a Greek key motif with a C-terminal helix (56-65) packed across the sheet, an arrangement similar to the monomeric structure of other members of this chemokine family (IL-8, PF4, MGSA/Gro alpha, and MIP-1 beta). Overall, the RANTES dimer resembles that previously reported for MIP-1 beta.
About this Structure
1HRJ is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
The three-dimensional solution structure of RANTES., Chung CW, Cooke RM, Proudfoot AE, Wells TN, Biochemistry. 1995 Jul 25;34(29):9307-14. PMID:7542919 Page seeded by OCA on Fri May 2 19:09:45 2008
