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19 \title{XDRF2PDB, XDRF2PDB-M, XDRF2X\\
20 Programs to convert compressed Cartesian coordinate files from UNRES into ASCII formats}
22 \author{Laboratory of Molecular Modeling\\ Faculty of Chemistry\\ University of Gdansk\\ Sobieskiego 18\\ 80-952 Gdansk, Poland\\
25 Scheraga Group\\ Baker Laboratory of Chemistry \\
26 and Chemical Biology\\ Cornell University\\ Ithaca, NY 14853-1301, USA}
34 %2. Programs and their functions
36 %4. Command lines and files
45 \section{LICENSE TERMS}
51 This software is provided free of charge to academic users, subject to the condition that no part of it be sold or used otherwise for commercial purposes, including, but not limited to its incorporation into commercial software packages, without written consent from the authors. For permission contact Prof. H. A. Scheraga, Cornell University.
54 This software package is provided on an ``as is'' basis. We in no way warrant either this software or results it may produce.
57 Reports or publications using this software package must contain an acknowledgment to the authors and the NIH Resource in the form commonly used in academic research.
63 \section{PROGRAMS AND THEIR FUNCTONS}
66 The following three programs can be used to extract conformations from compressed Cartesian (cx) files from UNRES:
70 \item{xdrf2pdb} --- takes a single trajectory file and converts it into PDB format.
72 \item{xdrf2pdb-m} -- takes a multiple-trajectory file from UNRES/MREMD simulations and enables the user to extract conformation of a particular trajectory and save them to a PDB file.
74 \item{xdrf2x} -- takes a single trajectory file and converts it into UNRES Cartesian coordinate (x) format.
76 \item{xdrf2ang} -- takes a single trajectory file and calculates UNRES backbone angles (theta and gamma).
80 \section{INSTALLATION}
83 Run make all on your system to install all programs or make {\it program} to install a particular program. You might need to run make in the xdrf subdirectory beforehand or point to the xdrf library that is on another directory in the Makefile.
85 The programs compile on all known Fortran compilers, including gfortran. It is recommeded to use Cmake
86 to install whole package; please see Installation Guide.
88 \section{COMMAND LINE AND FILES}
91 For xdrf2pdb and xdrf2pdb-m, you'll need to prepare the UNRES sequence file in either one- or three-letter code.
94 \label{sect:command:xdrf2pdb}
98 xdrf2pdb one/three seqfile cxfile [freq] [start] [end] [pdbfile]
102 \item{one or three} indicates in what format the sequence will be read
103 \item{seqfile} -- the file with the sequence:
105 \item one-letter format: 80A1
106 \item three-letter format: 20(A3,1X)
108 Note that the sequence must match exactly the UNRES sequence.
109 \item{cxfile} -- full name of the trajectory file with compressed Cartesian coordinates.
110 \item{freq} (1) -- conformation sampling frequency (each freq-th conformation will be saved to PBD file.
111 \item{start} (1) -- the first conformation to be saved to PDB file.
112 \item{end} (1000000000) -- the last conformation to be saved to PDB file.
113 \item{pdbfile} (cxfile with extension changed from cx to pdb) -- the output PDB file.
117 \subsection{XDRF2PDB-M}
118 \label{sect:command:xdrf2pdb-m}
122 xdrf2pdb-m one/three seqfile cxfile [ntraj] [itraj] [pdbfile] [ifreq]
126 \item{cxfile} - the name of the compressed trajectory file from an UNRES/MREMD run carried out with TRAJ1FILE (conformations from all trajectories output to a single file).
127 \item{ntraj} (1) -- number of trajectories in the multi-trajectory run.
128 \item{itraj} (1) -- the number of trajectory to be extracted.
133 \label{sect:command:xdrf2x}
137 xdrf2x cxfile [is] [ie] [freq] $>$ x\_file
139 The meaning of the the arguments is as in section
140 \ref{sect:command:xdrf2pdb}; the conformations are output in UNRES Cartesian coordinate format to stdout.
142 \subsection{XDRF2ANG}
143 \label{sect:command:xdrf2ang}
147 xdrf2ang one/three seqfile cxfile [freq] [start] [end] [angfile]
149 The meaning of the first six parameters is as in section \ref{sect:command:xdrf2pdb} angfile is
150 the name of the output angle file; is assigned cx file name with the cx
151 extension changed to ang, if not present.
157 Faculty of Chemistry, University of Gdansk\\
158 ul. Wita Stwosza 63, 80-308 Gdansk Poland.\\
159 phone: +48 58 523 5124\\
160 fax: +48 58 523 5012\\
161 e-mail: \href{mailto:adam@sun1.chem.univ.gda.pl}{\textcolor{blue}{adam@sun1.chem.univ.gda.pl}}\\
165 Dr. Cezary Czaplewski\\
166 Faculty of Chemistry, University of Gdansk\\
167 ul. Wita Stwosza 63, 80-308 Gdansk Poland.\\
168 phone: +48 58 523 5126\\
169 fax: +48 58 523 5012\\
170 e-mail: \href{mailto:cezary.czaplewski@ug.edu.pl}{cezary.czaplewski@ug.edu.pl}
172 Prepared by Adam Liwo, 11/26/11
174 \LaTeX version, 09/28/12
176 Revised by Adam Liwo, 12/04/14