******************************************************************* *-----------------------------------------------------------------* *-------------------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-S1_b.pdb Number of chains read............................................ : 1 Number of atoms read............................................. : 3739 ====================Analysing input PDB data===================== Geometric center at.............................................. : [2.87924 A, -2.76334 A, -8.8739 A] Radius of gyration............................................... : 34.7783 A Maximum extention from the center................................ : 112.132 A Number of residues............................................... : 461 Molecular weight................................................. : 53.1738 kDa ==================Computing the hydration layer================== Number of points in the hydration shell.......................... : 336 Radius of gyration of the hydration shell........................ : 43.1194 A Radius of gyration of the envelope............................... : 40.0393 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..................................... : TET_S1_005_sub_crp.dat New angular units................................................ : 1/nm, q = 4pi sin(theta)/lambda Number of experimental points.................................... : 1014 Minimum angle in the data file................................... : 0.0169353 Maximum angle in the data file................................... : 0.4946 Angular units multiplied by...................................... : 0.1 Estimated resolution............................................. : 12.7036 A ===================Adaptive memory allocation==================== Estimated minimal expansion order of spherical harmonics......... : 21 Actually used order of spherical harmonics....................... : 21 ====================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.......................................... : 3739 Average radius of the atomic group............................... : 1.6111 A Total number of electrons........................................ : 28416.2 Displaced Volume................................................. : 65495.7 A^3 ======================Computing intensities====================== ================Fitting to the experimental curve================ Number of search points in r0.................................... : 100 Minimum r0....................................................... : 1.44999 e/A^3 Maximum r0....................................................... : 1.93332 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.................................................... : 1.68199 e/A^3 Chi.............................................................. : 1.93581 Chi^2............................................................ : 3.74734 =====================Writing the output file===================== Output file name................................................. : TET-S1_b.fit ================================================================= =========================== Timing : ============================ ================================================================= Parsing arguments................................................ : 0.000276433 s Reading PDB file................................................. : 0.00400697 s Analysing input PDB data......................................... : 0.00092686 s Computing the hydration layer.................................... : 0.00118166 s Initialization................................................... : 2.548e-05 s Reading experimental curve....................................... : 0.00211814 s Adaptive memory allocation....................................... : 0.000162358 s Initializing form factors........................................ : 0.00211813 s Computing amplitudes for the hydration shell..................... : 0.00517907 s Computing atomic and excluded volume amplitudes.................. : 0.0546501 s Computing intensities............................................ : 0.000206236 s Fitting to the experimental curve................................ : 0.0443584 s Writing the output file.......................................... : 0.00105262 s ................................................................. Total time : .................................................... : 0.116263 s =================================================================