Author: bugman Date: Fri Feb 5 18:14:30 2010 New Revision: 10669 URL: http://svn.gna.org/viewcvs/relax?rev=10669&view=rev Log: Updated the d'Auvergne and Gooley, 2008 references to have the full medline info. Modified: 1.3/docs/latex/bibliography.bib Modified: 1.3/docs/latex/bibliography.bib URL: http://svn.gna.org/viewcvs/relax/1.3/docs/latex/bibliography.bib?rev=10669&r1=10668&r2=10669&view=diff ============================================================================== --- 1.3/docs/latex/bibliography.bib (original) +++ 1.3/docs/latex/bibliography.bib Fri Feb 5 18:14:30 2010 @@ -1337,90 +1337,179 @@ year = 2007 } -@article{dAuvergneGooley08a, +@Article{dAuvergneGooley08a, Author = {d'Auvergne, E. J. and Gooley, P. R.}, -title = "{Optimisation of NMR dynamic models I. Minimisation algorithms and their -performance within the model-free and Brownian rotational diffusion -spaces}", -journal = jbnmr, -volume = "40", -number = "2", -pages = "107-109", -year = "2008", -pmid = "18085410", -abstract = "{ -The key to obtaining the model-free description of the dynamics of a -macromolecule is the optimisation of the model-free and Brownian -rotational diffusion parameters using the collected R (1), R (2) and -steady-state NOE relaxation data. The problem of optimising the -chi-squared value is often assumed to be trivial, however, the long chain -of dependencies required for its calculation complicates the model-free -chi-squared space. Convolutions are induced by the Lorentzian form of the -spectral density functions, the linear recombinations of certain spectral -density values to obtain the relaxation rates, the calculation of the NOE -using the ratio of two of these rates, and finally the quadratic form of -the chi-squared equation itself. Two major topological features of the -model-free space complicate optimisation. The first is a long, shallow -valley which commences at infinite correlation times and gradually -approaches the minimum. The most severe convolution occurs for motions on -two timescales in which the minimum is often located at the end of a long, -deep, curved tunnel or multidimensional valley through the space. A large -number of optimisation algorithms will be investigated and their -performance compared to determine which techniques are suitable for use in -model-free analysis. Local optimisation algorithms will be shown to be -sufficient for minimisation not only within the model-free space but also -for the minimisation of the Brownian rotational diffusion tensor. In -addition the performance of the programs Modelfree and Dasha are -investigated. A number of model-free optimisation failures were -identified: the inability to slide along the limits, the singular matrix -failure of the Levenberg-Marquardt minimisation algorithm, the low -precision of both programs, and a bug in Modelfree. Significantly, the -singular matrix failure of the Levenberg-Marquardt algorithm occurs when -internal correlation times are undefined and is greatly amplified in -model-free analysis by both the grid search and constraint algorithms. The -program relax ( http://www.nmr-relax.com ) is also presented as a new -software package designed for the analysis of macromolecular dynamics -through the use of NMR relaxation data and which alleviates all of the -problems inherent within model-free analysis.}", -} - -@article{dAuvergneGooley08b, + Title = {Optimisation of {NMR} dynamic models {I}. + {M}inimisation algorithms and their performance within + the model-free and {B}rownian rotational diffusion + spaces.}, + Journal = {J Biomol NMR}, + Volume = {40}, + Number = {2}, + Pages = {107-19}, + abstract = {The key to obtaining the model-free description of the + dynamics of a macromolecule is the optimisation of the + model-free and Brownian rotational diffusion parameters + using the collected R (1), R (2) and steady-state NOE + relaxation data. The problem of optimising the + chi-squared value is often assumed to be trivial, + however, the long chain of dependencies required for + its calculation complicates the model-free chi-squared + space. Convolutions are induced by the Lorentzian form + of the spectral density functions, the linear + recombinations of certain spectral density values to + obtain the relaxation rates, the calculation of the NOE + using the ratio of two of these rates, and finally the + quadratic form of the chi-squared equation itself. Two + major topological features of the model-free space + complicate optimisation. The first is a long, shallow + valley which commences at infinite correlation times + and gradually approaches the minimum. The most severe + convolution occurs for motions on two timescales in + which the minimum is often located at the end of a + long, deep, curved tunnel or multidimensional valley + through the space. A large number of optimisation + algorithms will be investigated and their performance + compared to determine which techniques are suitable for + use in model-free analysis. Local optimisation + algorithms will be shown to be sufficient for + minimisation not only within the model-free space but + also for the minimisation of the Brownian rotational + diffusion tensor. In addition the performance of the + programs Modelfree and Dasha are investigated. A number + of model-free optimisation failures were identified: + the inability to slide along the limits, the singular + matrix failure of the Levenberg-Marquardt minimisation + algorithm, the low precision of both programs, and a + bug in Modelfree. Significantly, the singular matrix + failure of the Levenberg-Marquardt algorithm occurs + when internal correlation times are undefined and is + greatly amplified in model-free analysis by both the + grid search and constraint algorithms. The program + relax ( http://www.nmr-relax.com ) is also presented as + a new software package designed for the analysis of + macromolecular dynamics through the use of NMR + relaxation data and which alleviates all of the + problems inherent within model-free analysis.}, + authoraddress = {Department of NMR-based Structural Biology, Max Planck + Institute for Biophysical Chemistry, Am Fassberg 11, + D-37077, Goettingen, Germany. edward@xxxxxxxxxxxxx}, + keywords = {*Algorithms ; Cytochromes c2/chemistry ; Diffusion ; + *Models, Molecular ; Nuclear Magnetic Resonance, + Biomolecular/*methods ; Rhodobacter + capsulatus/chemistry ; *Rotation}, + language = {eng}, + medline-aid = {10.1007/s10858-007-9214-2 [doi]}, + medline-crdt = {2007/12/19 09:00}, + medline-da = {20080109}, + medline-dcom = {20080917}, + medline-dep = {20071218}, + medline-edat = {2007/12/19 09:00}, + medline-fau = {d'Auvergne, Edward J ; Gooley, Paul R}, + medline-is = {0925-2738 (Print) ; 0925-2738 (Linking)}, + medline-jid = {9110829}, + medline-jt = {Journal of biomolecular NMR}, + medline-lr = {20091118}, + medline-mhda = {2008/09/18 09:00}, + medline-oid = {NLM: PMC2758376}, + medline-own = {NLM}, + medline-phst = {2007/02/23 [received] ; 2007/11/06 [accepted] ; + 2007/12/18 [aheadofprint]}, + medline-pl = {Netherlands}, + medline-pmc = {PMC2758376}, + medline-pmid = {18085410}, + medline-pst = {ppublish}, + medline-pt = {Journal Article}, + medline-rn = {9035-43-2 (Cytochromes c2)}, + medline-sb = {IM}, + medline-so = {J Biomol NMR. 2008 Feb;40(2):107-19. Epub 2007 Dec 18.}, + medline-stat = {MEDLINE}, + url = {http://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?cmd=prlinks&dbfrom=pubmed&retmode=ref&id=18085410}, + year = 2008 +} + +@Article{dAuvergneGooley08b, Author = {d'Auvergne, E. J. and Gooley, P. R.}, - Title = {Optimisation of NMR dynamic models II. A new methodology for the dual -optimisation of the model-free parameters and the Brownian rotational -diffusion tensor}, -journal = jbnmr, -volume = "40", -number = "2", -pages = "121-123", -year = "2008", -pmid = "18085411", -abstract = "{ -Finding the dynamics of an entire macromolecule is a complex problem as -the model-free parameter values are intricately linked to the Brownian -rotational diffusion of the molecule, mathematically through the -autocorrelation function of the motion and statistically through model -selection. The solution to this problem was formulated using set theory as -an element of the universal set [Formula: see text]-the union of all -model-free spaces (d'Auvergne EJ and Gooley PR (2007) Mol BioSyst 3(7), -483-494). The current procedure commonly used to find the universal -solution is to initially estimate the diffusion tensor parameters, to -optimise the model-free parameters of numerous models, and then to choose -the best model via model selection. The global model is then optimised and -the procedure repeated until convergence. In this paper a new methodology -is presented which takes a different approach to this diffusion seeded -model-free paradigm. Rather than starting with the diffusion tensor this -iterative protocol begins by optimising the model-free parameters in the -absence of any global model parameters, selecting between all the -model-free models, and finally optimising the diffusion tensor. The new -model-free optimisation protocol will be validated using synthetic data -from Schurr JM et al. (1994) J Magn Reson B 105(3), 211-224 and the -relaxation data of the bacteriorhodopsin (1-36)BR fragment from Orekhov VY -(1999) J Biomol NMR 14(4), 345-356. To demonstrate the importance of this -new procedure the NMR relaxation data of the Olfactory Marker Protein -(OMP) of Gitti R et al. (2005) Biochem 44(28), 9673-9679 is reanalysed. -The result is that the dynamics for certain secondary structural elements -is very different from those originally reported.}", + Title = {Optimisation of {NMR} dynamic models {II}. {A} new + methodology for the dual optimisation of the model-free + parameters and the {B}rownian rotational diffusion + tensor.}, + Journal = {J Biomol NMR}, + Volume = {40}, + Number = {2}, + Pages = {121-33}, + abstract = {Finding the dynamics of an entire macromolecule is a + complex problem as the model-free parameter values are + intricately linked to the Brownian rotational diffusion + of the molecule, mathematically through the + autocorrelation function of the motion and + statistically through model selection. The solution to + this problem was formulated using set theory as an + element of the universal set [formula: see text]-the + union of all model-free spaces (d'Auvergne EJ and + Gooley PR (2007) Mol BioSyst 3(7), 483-494). The + current procedure commonly used to find the universal + solution is to initially estimate the diffusion tensor + parameters, to optimise the model-free parameters of + numerous models, and then to choose the best model via + model selection. The global model is then optimised and + the procedure repeated until convergence. In this paper + a new methodology is presented which takes a different + approach to this diffusion seeded model-free paradigm. + Rather than starting with the diffusion tensor this + iterative protocol begins by optimising the model-free + parameters in the absence of any global model + parameters, selecting between all the model-free + models, and finally optimising the diffusion tensor. + The new model-free optimisation protocol will be + validated using synthetic data from Schurr JM et al. + (1994) J Magn Reson B 105(3), 211-224 and the + relaxation data of the bacteriorhodopsin (1-36)BR + fragment from Orekhov VY (1999) J Biomol NMR 14(4), + 345-356. To demonstrate the importance of this new + procedure the NMR relaxation data of the Olfactory + Marker Protein (OMP) of Gitti R et al. (2005) Biochem + 44(28), 9673-9679 is reanalysed. The result is that the + dynamics for certain secondary structural elements is + very different from those originally reported.}, + authoraddress = {Department of NMR-based Structural Biology, Max Planck + Institute for Biophysical Chemistry, Am Fassberg 11, + Goettingen, D-37077, Germany. edward@xxxxxxxxxxxxx}, + keywords = {Algorithms ; Amides/chemistry ; + Bacteriorhodopsins/chemistry ; Crystallography, X-Ray ; + Diffusion ; *Models, Molecular ; Nuclear Magnetic + Resonance, Biomolecular/*methods ; Olfactory Marker + Protein/chemistry ; Peptide Fragments/chemistry ; + Protein Structure, Secondary ; *Rotation}, + language = {eng}, + medline-aid = {10.1007/s10858-007-9213-3 [doi]}, + medline-crdt = {2007/12/19 09:00}, + medline-da = {20080109}, + medline-dcom = {20080917}, + medline-dep = {20071218}, + medline-edat = {2007/12/19 09:00}, + medline-fau = {d'Auvergne, Edward J ; Gooley, Paul R}, + medline-is = {0925-2738 (Print) ; 0925-2738 (Linking)}, + medline-jid = {9110829}, + medline-jt = {Journal of biomolecular NMR}, + medline-lr = {20091118}, + medline-mhda = {2008/09/18 09:00}, + medline-oid = {NLM: PMC2758375}, + medline-own = {NLM}, + medline-phst = {2007/02/23 [received] ; 2007/11/06 [accepted] ; + 2007/12/18 [aheadofprint]}, + medline-pl = {Netherlands}, + medline-pmc = {PMC2758375}, + medline-pmid = {18085411}, + medline-pst = {ppublish}, + medline-pt = {Journal Article}, + medline-rn = {0 (Amides) ; 0 (Olfactory Marker Protein) ; 0 (Peptide + Fragments) ; 53026-44-1 (Bacteriorhodopsins)}, + medline-sb = {IM}, + medline-so = {J Biomol NMR. 2008 Feb;40(2):121-33. Epub 2007 Dec 18.}, + medline-stat = {MEDLINE}, + url = {http://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?cmd=prlinks&dbfrom=pubmed&retmode=ref&id=18085411}, + year = 2008 } @Article{DellwoWand89,