******************************************************************* *-----------------------------------------------------------------* *-------------------Pepsi-SAXS, a small angle --------------------* *------- adaptive X-ray scattering reconstruction algorithm-------* *--- that uses polynomial expansions of scattering amplitudes.----* *---------- Authors: Sergei Grudinin & Maria Garkavenko.----------* * Reference: Sergei Grudinin, Maria Garkavenko & Andrei Kazennov,-* *----- Pepsi-SAXS : an adaptive method for rapid and accurate-----* *------computation of small angle X-ray scattering profiles.------* *--- Copyright (c): Nano-D team, Inria/CNRS Grenoble, France &----* *----- Laboratoty of Advanced Studies of Membrane Proteins, ------* *----------------MIPT Moscow, Russia, 2012 - 2015.----------------* * Available at : http://team.inria.fr/nano-d/software/pepsi-saxs -* *-------------------- For academic use only! ---------------------* *---------------- e-mail: sergei.grudinin@inria.fr----------------* *-----------------------------------------------------------------* ******************************************************************* ========================Reading PDB file========================= Read PDB file.................................................... : TET-33a-5.pdb Number of chains read............................................ : 1 Number of atoms read............................................. : 3984 ====================Analysing input PDB data===================== Geometric center at.............................................. : [-13.2787 A, 6.06853 A, -12.4987 A] Radius of gyration............................................... : 32.9786 A Maximum extention from the center................................ : 63.409 A Number of residues............................................... : 489 Molecular weight................................................. : 56.6645 kDa ==================Computing the hydration layer================== Number of points in the hydration shell.......................... : 359 Radius of gyration of the hydration shell........................ : 37.9241 A Radius of gyration of the envelope............................... : 36.0588 A =========================Initialization========================== Angular units.................................................... : 1/A, q = 4pi sin(theta)/lambda Maximum number of processors..................................... : 8 Number of processors online...................................... : 8 Number of processors used........................................ : 8 ===================Reading experimental curve==================== Experimental curve read from..................................... : merge_33a_crp.dat New angular units................................................ : 1/nm, q = 4pi sin(theta)/lambda Number of experimental points.................................... : 1205 Minimum angle in the data file................................... : 0.0154492 Maximum angle in the data file................................... : 0.671557 Angular units multiplied by...................................... : 0.1 Estimated resolution............................................. : 9.35615 A ===================Adaptive memory allocation==================== Estimated minimal expansion order of spherical harmonics......... : 25 Actually used order of spherical harmonics....................... : 25 ====================Initializing form factors==================== Number of atom groups used....................................... : 35 ==========Computing amplitudes for the hydration shell=========== =========Computing atomic and excluded volume amplitudes========= Number of atomic groups.......................................... : 3984 Average radius of the atomic group............................... : 1.61008 A Total number of electrons........................................ : 30273.7 Displaced Volume................................................. : 69654.7 A^3 ======================Computing intensities====================== ================Fitting to the experimental curve================ Number of search points in r0.................................... : 100 Minimum r0....................................................... : 1.44907 e/A^3 Maximum r0....................................................... : 1.9321 e/A^3 Number of search points in d_rho................................. : 100 Minimum d_rho.................................................... : -0.015 e/A^3 Maximum d_rho.................................................... : 0.06 e/A^3 Best d_rho found................................................. : 0.01125 e/A^3 Best r0 found.................................................... : 1.67609 e/A^3 Chi.............................................................. : 1.1426 Chi^2............................................................ : 1.30553 =====================Writing the output file===================== Output file name................................................. : TET-33a-5.fit ================================================================= =========================== Timing : ============================ ================================================================= Parsing arguments................................................ : 0.000391746 s Reading PDB file................................................. : 0.00764634 s Analysing input PDB data......................................... : 0.00135131 s Computing the hydration layer.................................... : 0.00200781 s Initialization................................................... : 4.8973e-05 s Reading experimental curve....................................... : 0.00345119 s Adaptive memory allocation....................................... : 0.00024181 s Initializing form factors........................................ : 0.00204915 s Computing amplitudes for the hydration shell..................... : 0.00757037 s Computing atomic and excluded volume amplitudes.................. : 0.0759296 s Computing intensities............................................ : 0.000232842 s Fitting to the experimental curve................................ : 0.0517159 s Writing the output file.......................................... : 0.00196581 s ................................................................. Total time : .................................................... : 0.154603 s =================================================================