******************************************************************* *-----------------------------------------------------------------* *-------------------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-DE-2.pdb Number of chains read............................................ : 1 Number of atoms read............................................. : 3818 ====================Analysing input PDB data===================== Geometric center at.............................................. : [-0.82437 A, -0.696871 A, -2.6993 A] Radius of gyration............................................... : 32.2796 A Maximum extention from the center................................ : 51.5685 A Number of residues............................................... : 466 Molecular weight................................................. : 54.3279 kDa ==================Computing the hydration layer================== Number of points in the hydration shell.......................... : 344 Radius of gyration of the hydration shell........................ : 37.2463 A Radius of gyration of the envelope............................... : 35.3748 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..................................... : resub_DE_812_crp.dat New angular units................................................ : 1/nm, q = 4pi sin(theta)/lambda Number of experimental points.................................... : 1196 Minimum angle in the data file................................... : 0.0203537 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.......................................... : 3818 Average radius of the atomic group............................... : 1.61022 A Total number of electrons........................................ : 29027.6 Displaced Volume................................................. : 66770.1 A^3 ======================Computing intensities====================== ================Fitting to the experimental curve================ Number of search points in r0.................................... : 100 Minimum r0....................................................... : 1.4492 e/A^3 Maximum r0....................................................... : 1.93227 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................................................. : 0.015 e/A^3 Best r0 found.................................................... : 1.66175 e/A^3 Chi.............................................................. : 1.36801 Chi^2............................................................ : 1.87145 =====================Writing the output file===================== Output file name................................................. : TET-DE-2.fit ================================================================= =========================== Timing : ============================ ================================================================= Parsing arguments................................................ : 0.000380635 s Reading PDB file................................................. : 0.00682698 s Analysing input PDB data......................................... : 0.00103763 s Computing the hydration layer.................................... : 0.00106676 s Initialization................................................... : 3.5828e-05 s Reading experimental curve....................................... : 0.00654546 s Adaptive memory allocation....................................... : 0.000248984 s Initializing form factors........................................ : 0.00183766 s Computing amplitudes for the hydration shell..................... : 0.00826593 s Computing atomic and excluded volume amplitudes.................. : 0.0828768 s Computing intensities............................................ : 0.0002244 s Fitting to the experimental curve................................ : 0.0529801 s Writing the output file.......................................... : 0.00193062 s ................................................................. Total time : .................................................... : 0.164258 s =================================================================