Re: [gmx-users] Re: gmx-users Digest, Vol 73, Issue 177

2010-05-27 Thread Justin A. Lemkul



Hsin-Lin Chiang wrote:

Hi ,Mark:

I had announced my system is a dimer with each peptides have 6 residues.
I'm sorry if I didn't express it  to be understood easily.
Can you please tell me why 13 coils are reasonable if my systems is a 
dimer?




It's not.  I already answered this:

http://lists.gromacs.org/pipermail/gmx-users/2010-May/051311.html

-Justin


regards,
Hsin-Lin

Hi, Justin:

I post my coordinate with protein translated by trjconv
By this gro file, I get 0 structure and 13 coils.
 
Haven't you been saying for what seems like weeks now that you have 12 
residues in your "protein"? If so...



  

C   70   2.223   2.893  1.484 -0.0883  0.1244 -0.1837
 6ASN O1  71   2.111   2.941   1.505 -0.2557
-0.4837 -0.1041
 6ASN O2  72   2.313   2.953   1.419 -
0.5561  0.0660  0.4455
 
Here, there's quite clearly an internal COO and NH3... hence it seems 
that you have two 6-residue chains. That's important data to be aware 
of, and to communicate to people who might help... Our belief that you 
really had a 12-residue peptide excludes this kind of issue from 
trouble-shooting, which ends up wasting everyone's time.


Mark

   


--


Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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[gmx-users] Re: gmx-users Digest, Vol 73, Issue 177

2010-05-27 Thread Hsin-Lin Chiang

Hi ,Mark:

I had announced my system is a dimer with each peptides have 6 residues.
I'm sorry if I didn't express it  to be understood easily.
Can you please tell me why 13 coils are reasonable if my systems is a dimer?

regards,
Hsin-Lin

Hi, Justin:

I post my coordinate with protein translated by trjconv
By this gro file, I get 0 structure and 13 coils.
 

Haven't you been saying for what seems like weeks now that you have 12 residues in your 
"protein"? If so...


   
C   70   2.223   2.893  
1.484 -0.0883  0.1244 -0.1837
 6ASN O1  
71   2.111   2.941   1.505 -0.2557

-0.4837 -0.1041
 6ASN O2  
72   2.313   2.953   1.419 -

0.5561  0.0660  0.4455
 

Here, there's quite clearly an internal COO and NH3... hence it seems that you 
have two 6-residue chains. That's important data to be aware of, and to 
communicate to people who might help... Our belief that you really had a 
12-residue peptide excludes this kind of issue from trouble-shooting, which 
ends up wasting everyone's time.

Mark

   

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