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No RMS and IRMS values in protein/nucleic acid docking

Category: 
Docking
Scoring
Nucleic Acids

Hello,

I am docking a small protein / nucleic acid structure to generate dockings. The scoring contains only -nan for rms and 0.000 for Irms. Why doesn't the docking result in valid rms/irms values? Fnat and I_sc as well as total_score seem ok. What do I have to change in order to receive rms and irms values?

XML Rosetta Script (prot2.xml):

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I've got two doubts

Category: 
Structure prediction

Hello guys.

I've got two doubts.


First: someone tell me of an article that explains why for example be between 100,000 and 200,000 decoy to abinitio or 15000 decoy for comparative modeling?


Second: to see the articles in the case of e.g. abinitio is informed that were N decoy, if 100,000, my doubt; was produced a total of 100,000 or 100,000 was requested in the script?

Thank you all for the help

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Fusing C-terminal or N-terminal segments onto proteins using Remodel

Category: 
Structure prediction
Design
Loop Modeling

Hi I am trying to fuse a structure onto a designed protein structure at the C-terminus using the following command:

remodel.linuxgccrelease -s model3.pdb -remodel:RemodelLoopMover:bypass_closure -remodel:domainFusion:insert_segment_from_pdb model4.pdb -remodel:blueprint model3.blueprint -use_input_sc -num_trajectory 3 -save_top 1 -database <PATH> -overwrite -out:file:scorefile model3.sc

model3.pdb covers the range: 1-393

model4 covers the range: 290 - 393

Where the blueprint has the following general format:

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Symmetry definition for apolar helix

Category: 
Symmetry

Hi,

I am struggling to generate a symmdef file for a helical model and I am hoping someone can help.

The helical parameters are as follows: rise = 17 Angstrom with 4.674 subunits per turn. The helix is apolar i.e. the ends of the helix are the same as related by 180 degree rotation. The repeating unit is a dimer with C2 symmetry. In the attached pdb (ca only to avoid upload limit) the A and B chains form the dimer which is related to the next C/D pair by the helical symmetry I mentioned.

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Fusing C-terminal or N-terminal segments onto proteins using Remodel

Category: 
Design
Loop Modeling

Hi, I am trying to replace the C-terminal segment of a designed protein with that taken from a crystral structure using the Remodel module with the DomainFusion flag turned on. I have tried several different tweaks to the arrangment however the gist of it is that I use the following command. 

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