[gmx-users] Overriding atomtype O

Justin A. Lemkul jalemkul at vt.edu
Sun Jun 20 13:24:05 CEST 2010



afsaneh maleki wrote:
> Hi,
> 
>  
> 
> I have a problem with grompp.
> 
> I want to simulate membrane protein. I adjust the [ molecules ] section to list the number and type of my components
> 
> I run grompp and it shows 56 warning about all of atom types in ffG53a6nb.itp (56 atom types are in ffG53a6).
> 
>  
> 
> I run pdb2gmx for protein only. Why does it give me these warning?
> 
>  

It looks like you've somehow duplicated your [atomtypes] directive or otherwise 
mangled the topology.  There is a tutorial on the Gromacs site that specifically 
deals with membrane proteins and how to construct the topology.  It may be 
useful to you.

-Justin

> 
> I paste warning here:
> 
>  
> 
> Opening library file /usr/local/gromacs/share/gromacs/top/ff_dum.itp
> 
> Opening library file /usr/local/gromacs/share/gromacs/top/ffG53a6.itp
> 
> Opening library file /usr/local/gromacs/share/gromacs/top/ffG53a6nb.itp
> 
>  
> 
> WARNING 1 [file ffG53a6nb.itp, line 3]:
> 
>   Overriding atomtype O
> 
>  
> 
>  
> 
> WARNING 2 [file ffG53a6nb.itp, line 4]:
> 
>   Overriding atomtype OM
> 
>  
> 
>  
> 
> WARNING 3 [file ffG53a6nb.itp, line 5]:
> 
>   Overriding atomtype OA
> 
>  
> 
>  
> 
> WARNING 4 [file ffG53a6nb.itp, line 6]:
> 
>   Overriding atomtype OE
> 
>  
> 
>  
> 
> WARNING 5 [file ffG53a6nb.itp, line 7]:
> 
>   Overriding atomtype OW
> 
>  
> 
>  
> 
> WARNING 6 [file ffG53a6nb.itp, line 8]:
> 
>   Overriding atomtype N
> 
>  
> 
>  
> 
> WARNING 7 [file ffG53a6nb.itp, line 9]:
> 
>   Overriding atomtype NT
> 
>  
> 
>  
> 
> WARNING 8 [file ffG53a6nb.itp, line 10]:
> 
>   Overriding atomtype NL
> 
>  
> 
>  
> 
> WARNING 9 [file ffG53a6nb.itp, line 11]:
> 
>   Overriding atomtype NR
> 
>  
> 
>  
> 
> WARNING 10 [file ffG53a6nb.itp, line 12]:
> 
>   Overriding atomtype NZ
> 
>  
> 
>  
> 
> WARNING 11 [file ffG53a6nb.itp, line 13]:
> 
>   Overriding atomtype NE
> 
>  
> 
>  
> 
> WARNING 12 [file ffG53a6nb.itp, line 14]:
> 
>   Overriding atomtype C
> 
>  
> 
>  
> 
> WARNING 13 [file ffG53a6nb.itp, line 15]:
> 
>   Overriding atomtype CH0
> 
>  
> 
>  
> 
> WARNING 14 [file ffG53a6nb.itp, line 16]:
> 
>   Overriding atomtype CH1
> 
>  
> 
>  
> 
> WARNING 15 [file ffG53a6nb.itp, line 17]:
> 
>   Overriding atomtype CH2
> 
>  
> 
>  
> 
> WARNING 16 [file ffG53a6nb.itp, line 18]:
> 
>   Overriding atomtype CH3
> 
>  
> 
>  
> 
> WARNING 17 [file ffG53a6nb.itp, line 19]:
> 
>   Overriding atomtype CH4
> 
>  
> 
>  
> 
> WARNING 18 [file ffG53a6nb.itp, line 20]:
> 
>   Overriding atomtype CH2r
> 
>  
> 
>  
> 
> WARNING 19 [file ffG53a6nb.itp, line 21]:
> 
>   Overriding atomtype CR1
> 
>  
> 
>  
> 
> WARNING 20 [file ffG53a6nb.itp, line 22]:
> 
>   Overriding atomtype HC
> 
>  
> 
>  
> 
> WARNING 21 [file ffG53a6nb.itp, line 23]:
> 
>   Overriding atomtype H
> 
>  
> 
>  
> 
> WARNING 22 [file ffG53a6nb.itp, line 24]:
> 
>   Overriding atomtype DUM
> 
>  
> 
>  
> 
> WARNING 23 [file ffG53a6nb.itp, line 25]:
> 
>   Overriding atomtype S
> 
>  
> 
>  
> 
> WARNING 24 [file ffG53a6nb.itp, line 26]:
> 
>   Overriding atomtype CU1+
> 
>  
> 
>  
> 
> WARNING 25 [file ffG53a6nb.itp, line 27]:
> 
>   Overriding atomtype CU2+
> 
>  
> 
>  
> 
> WARNING 26 [file ffG53a6nb.itp, line 28]:
> 
>   Overriding atomtype FE
> 
>  
> 
>  
> 
> WARNING 27 [file ffG53a6nb.itp, line 29]:
> 
>   Overriding atomtype ZN2+
> 
>  
> 
>  
> 
> WARNING 28 [file ffG53a6nb.itp, line 30]:
> 
>   Overriding atomtype MG2+
> 
>  
> 
>  
> 
> WARNING 29 [file ffG53a6nb.itp, line 31]:
> 
>   Overriding atomtype CA2+
> 
>  
> 
>  
> 
> WARNING 30 [file ffG53a6nb.itp, line 32]:
> 
>   Overriding atomtype P
> 
>  
> 
>  
> 
> WARNING 31 [file ffG53a6nb.itp, line 33]:
> 
>   Overriding atomtype AR
> 
>  
> 
>  
> 
> WARNING 32 [file ffG53a6nb.itp, line 34]:
> 
>   Overriding atomtype F
> 
>  
> 
>  
> 
> WARNING 33 [file ffG53a6nb.itp, line 35]:
> 
>   Overriding atomtype CL
> 
>  
> 
>  
> 
> WARNING 34 [file ffG53a6nb.itp, line 36]:
> 
>   Overriding atomtype BR
> 
>  
> 
>  
> 
> WARNING 35 [file ffG53a6nb.itp, line 37]:
> 
>   Overriding atomtype CMet
> 
>  
> 
>  
> 
> WARNING 36 [file ffG53a6nb.itp, line 38]:
> 
>   Overriding atomtype OMet
> 
>  
> 
>  
> 
> WARNING 37 [file ffG53a6nb.itp, line 39]:
> 
>   Overriding atomtype NA+
> 
>  
> 
>  
> 
> WARNING 38 [file ffG53a6nb.itp, line 40]:
> 
>   Overriding atomtype CL-
> 
>  
> 
>  
> 
> WARNING 39 [file ffG53a6nb.itp, line 41]:
> 
>   Overriding atomtype CChl
> 
>  
> 
>  
> 
> WARNING 40 [file ffG53a6nb.itp, line 42]:
> 
>   Overriding atomtype CLChl
> 
>  
> 
>  
> 
> WARNING 41 [file ffG53a6nb.itp, line 43]:
> 
>   Overriding atomtype HChl
> 
>  
> 
>  
> 
> WARNING 42 [file ffG53a6nb.itp, line 44]:
> 
>   Overriding atomtype SDmso
> 
>  
> 
>  
> 
> WARNING 43 [file ffG53a6nb.itp, line 45]:
> 
>   Overriding atomtype CDmso
> 
>  
> 
>  
> 
> WARNING 44 [file ffG53a6nb.itp, line 46]:
> 
>   Overriding atomtype ODmso
> 
>  
> 
>  
> 
> WARNING 45 [file ffG53a6nb.itp, line 47]:
> 
>   Overriding atomtype CCl4
> 
>  
> 
>  
> 
> WARNING 46 [file ffG53a6nb.itp, line 48]:
> 
>   Overriding atomtype CLCl4
> 
>  
> 
>  
> 
> WARNING 47 [file ffG53a6nb.itp, line 49]:
> 
>   Overriding atomtype FTFE
> 
>  
> 
>  
> 
> WARNING 48 [file ffG53a6nb.itp, line 50]:
> 
>   Overriding atomtype CTFE
> 
>  
> 
>  
> 
> WARNING 49 [file ffG53a6nb.itp, line 51]:
> 
>   Overriding atomtype CHTFE
> 
>  
> 
>  
> 
> WARNING 50 [file ffG53a6nb.itp, line 52]:
> 
>   Overriding atomtype OTFE
> 
>  
> 
>  
> 
> WARNING 51 [file ffG53a6nb.itp, line 53]:
> 
>   Overriding atomtype CUrea
> 
>  
> 
>  
> 
> WARNING 52 [file ffG53a6nb.itp, line 54]:
> 
>   Overriding atomtype OUrea
> 
>  
> 
>  
> 
> WARNING 53 [file ffG53a6nb.itp, line 55]:
> 
>   Overriding atomtype NUrea
> 
>  
> 
>  
> 
> WARNING 54 [file ffG53a6nb.itp, line 56]:
> 
>   Overriding atomtype SI
> 
>  
> 
>  
> 
> WARNING 55 [file ffG53a6nb.itp, line 57]:
> 
>   Overriding atomtype MNH3
> 
>  
> 
>  
> 
> WARNING 56 [file ffG53a6nb.itp, line 58]:
> 
>   Overriding atomtype MW
> 
>  
> 
> Opening library file /usr/local/gromacs/share/gromacs/top/ffG53a6bon.itp
> 
> Opening library file /usr/local/gromacs/share/gromacs/top/ff_dum.itp
> 
> Generated 825 of the 2346 non-bonded parameter combinations
> 
> Opening library file /usr/local/gromacs/share/gromacs/top/ions.itp
> 
> Opening library file /usr/local/gromacs/share/gromacs/top/spc.itp
> 
> Excluding 3 bonded neighbours molecule type 'protein'
> 
> turning all bonds into constraints...
> 
> Excluding 3 bonded neighbours molecule type 'DOPC'
> 
> turning all bonds into constraints...
> 
> Excluding 2 bonded neighbours molecule type 'SOL'
> 
> turning all bonds into constraints...
> 
> Excluding 1 bonded neighbours molecule type 'NA+'
> 
> turning all bonds into constraints...
> 
> Excluding 1 bonded neighbours molecule type 'CL-'
> 
> turning all bonds into constraints...
> 
> processing coordinates...
> 
> double-checking input for internal consistency...
> 
> Reading position restraint coords from nvt-mutated_bi.gro
> 
> renumbering atomtypes...
> 
> converting bonded parameters...
> 
> initialising group options...
> 
> processing index file...
> 
> Making dummy/rest group for Acceleration containing 18916 elements
> 
> Making dummy/rest group for Freeze containing 18916 elements
> 
> Making dummy/rest group for Energy Mon. containing 18916 elements
> 
> Number of degrees of freedom in T-Coupling group Protein is 724.85
> 
> Number of degrees of freedom in T-Coupling group DOPC is 13622.15
> 
> Number of degrees of freedom in T-Coupling group SOL_NA+_CL- is 23613.00
> 
> Making dummy/rest group for User1 containing 18916 elements
> 
> Making dummy/rest group for User2 containing 18916 elements
> 
> Making dummy/rest group for XTC containing 18916 elements
> 
> Making dummy/rest group for Or. Res. Fit containing 18916 elements
> 
> Making dummy/rest group for QMMM containing 18916 elements
> 
> T-Coupling       has 3 element(s): Protein DOPC SOL_NA+_CL-
> 
> Energy Mon.      has 1 element(s): rest
> 
> Acceleration     has 1 element(s): rest
> 
> Freeze           has 1 element(s): rest
> 
> User1            has 1 element(s): rest
> 
> User2            has 1 element(s): rest
> 
> VCM              has 2 element(s): Protein_DOPC SOL_NA+_CL-
> 
> XTC              has 1 element(s): rest
> 
> Or. Res. Fit     has 1 element(s): rest
> 
> QMMM             has 1 element(s): rest
> 
> Checking consistency between energy and charge groups...
> 
> Calculating fourier grid dimensions for X Y Z
> 
> Using a fourier grid of 48x45x48, spacing 0.152 0.160 0.154
> 
> Estimate for the relative computational load of the PME mesh part: 0.35
> 
> This run will generate roughly 3 Mb of data
> 
> writing run input file...
> 
>  
> 
> There were 56 warnings
> 
>  
> 
> -------------------------------------------------------
> 
> Program grompp, VERSION 4.0.5
> 
> Source code file: gmx_fatal.c, line: 481
> 
>  
> 
> Fatal error:
> 
> Too many warnings (56), grompp terminated.
> 
> If you are sure all warnings are harmless, use the -maxwarn option.
> 
>  
> 
> 
> 
> thanks in advance,
> Afsaneh
> 

-- 
========================================

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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