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View Code? Open in Web Editor NEWCode of our scientific research project for the lecture of Computational Biology at TU Berlin in winter 2014/15.
Code of our scientific research project for the lecture of Computational Biology at TU Berlin in winter 2014/15.
noisy constraint analysis ========================= Configuration ------------- An example config can be found in `paths.cfg`. You most certaintly have to adapt it, such that your rosetta binaries and database are linked. Also make sure that for a protein with <pdb-id>, the input directory contains a directory with the same name and the following files: * Sequence File: <pdb-id>.fasta * Native Protein: <pdb-id>.pdb * Fragment Files: <pdb-id>.200.9mers, <pdb-id>.200.3mers * Noisy Constraint File: <pdb-id>_contact_constraints.txt Example structure of my input directory: $ ls Data/input/** Data/input/2h3jA: 2h3jA.200.3mers 2h3jA.200.9mers 2h3jA_contact_constraints.txt 2h3jA.fasta 2h3jA.pdb Data/input/2krkA: 2krkA.200.3mers 2krkA.200.9mers 2krkA_contact_constraints.txt 2krkA.fasta 2krkA.pdb The section [filename] normally does not have to be changed. Basic Usage ----------- To run the script, call: ./runExperiment.py <config-filename> <pdb-id> When the run is successful, a lot of files will be generated: 1. <input-dir>/<pdb-id>/generated/ will contain a constraint-file with the measured native distances as a new column for each constraint/residue-pair. 2. <output-dir>/<pdb-id>/ will have a subdirectory for each prediction with. a) the constraint subset file, which will guide the prediction b) the standard rosetta output, with decoys (pdb&silentfile) and score.fsc c) the rescored scorefile (standard: scoreV2.fsc), with constraint-penalty-free scores. 3. <plot-dir>/<pdb-id>/ will contain lots of plots. *Attention*: all these files will be overwritten by the scripts on a re-run. (except decoys. to overwrite them, delete default.out in a subdir.) ----- Flags ----- * `-debug/-d` runs rosetta in a debug mode, i.e. without relaxing and only predicting two decoys. * `-verbose/-v` gives you more information about what happens on the console. but all this information and more can be found in the logfile anyway. constraint subset generation methods ------------------------------------ The datastructure to choose a constraint is basically an adjacency matrix, where a number >= 0 denotes a chosen residue pair. Same number means same subset. To add other constraint subsets, simply add a matrix to the three datastructures in `generate_constraint_subsets()`. custom plots ------------ The plotting "system" is written in a way, that it is possible to compare different groups of subsets. For example, to use another target or baseline, modify the string variables accordingly.
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