Re: [AMBER] how can i use two force field one is ff14sb other is not in leaprc source to produce prmtop and inpcrd files for protein

From: Elvis Martis <elvis.martis.bcp.edu.in>
Date: Wed, 28 Jun 2017 19:06:18 +0000

HI,

Unfortunately, there is no tutorial that uses HEME.

But I understand you have trouble understanding the AMBER workflow when non-protein molecules are involved. For this I highly recommend completing this tutorial. http://ambermd.org/tutorials/basic/tutorial4b/


                   Best Regards

[photo]



Elvis Martis
Ph.D. Student (Computational Chemistry)
 at Bombay College of Pharmacy


A Kalina, Santacruz [E], Mumbai 400098, INDIA
W www.elvismartis.in<https://webapp.wisestamp.com/www.elvismartis.in>
Skype. adrian_elvis12<https://webapp.wisestamp.com/#>


[https://ci3.googleusercontent.com/proxy/P0F8-p0kwxKdscp6zsT-ZSRttk9OJEsBGiaXej_H2ERz8n2ma5SLHFAWJdKL-wqOlXSGjbmEyga9C8lmU1bs-_yPIq3CnazA5eJVDYjce1r-34uwxqjjRnmAtE473lEq28nSHQ=s0-d-e1-ft#https://s3.amazonaws.com/images.wisestamp.com/icons_for_colors_32/linkedin.png]<http://www.linkedin.com/in/elvisadrianmartis/>





________________________________
From: Rana Rehan Khalid <rrkhalid.umich.edu>
Sent: 28 June 2017 22:47:39
To: AMBER Mailing List
Subject: Re: [AMBER] how can i use two force field one is ff14sb other is not in leaprc source to produce prmtop and inpcrd files for protein

Dear Elvis

Thanks for your guidance. can you suggest me a tutorial for preparing file
for heme containing protein so that i prepare my file before running the
command as you sent me because now i have error that hem.mol2 not present i
have heme in protein system and one more thing my protein have histidine
bond with heme rather then cys

On Wed, Jun 28, 2017 at 2:57 AM, Elvis Martis <elvis.martis.bcp.edu.in>
wrote:

> Hi Ross, and Rana,
>
> It depends on what file name we keep.
>
> Here is the link for the frcmod for HEME
>
> http://personalpages.manchester.ac.uk/staff/Richard.Bryce/amber/cof/
> frcmod.hemall
>
> and the corresponding prepi file
>
> http://personalpages.manchester.ac.uk/staff/Richard.Bryce/amber/cof/heme_
> all.in
>
>
>
>
> Best Regards
>
> [photo]
>
>
>
> Elvis Martis
> Ph.D. Student (Computational Chemistry)
> at Bombay College of Pharmacy
>
>
> A Kalina, Santacruz [E], Mumbai 400098, INDIA
> W www.elvismartis.in<https://webapp.wisestamp.com/www.elvismartis.in>
> Skype. adrian_elvis12<https://webapp.wisestamp.com/#>
>
>
> [https://ci3.googleusercontent.com/proxy/P0F8-p0kwxKdscp6zsT-
> ZSRttk9OJEsBGiaXej_H2ERz8n2ma5SLHFAWJdKL-wqOlXSGjbmEyga9C8lmU1bs-_
> yPIq3CnazA5eJVDYjce1r-34uwxqjjRnmAtE473lEq28nSHQ=s0-
> d-e1-ft#https://s3.amazonaws.com/images.wisestamp.com/
> icons_for_colors_32/linkedin.png]<http://www.linkedin.com/
> in/elvisadrianmartis/>
>
>
>
>
>
> ________________________________
> From: Bill Ross <ross.cgl.ucsf.edu>
> Sent: 28 June 2017 12:20:01
> To: amber.ambermd.org
> Subject: Re: [AMBER] how can i use two force field one is ff14sb other is
> not in leaprc source to produce prmtop and inpcrd files for protein
>
> Maybe it's hem.frcmod?
>
>
>
> On 6/27/17 10:59 PM, Rana Rehan Khalid wrote:
> > loadamberparams frcmod.hem >>>> parameters for HEME (those parameters not
> > defined in gaff)
> >
> > this file is not present sir
> >
> > On Wed, Jun 28, 2017 at 1:36 AM, Elvis Martis <elvis.martis.bcp.edu.in>
> > wrote:
> >
> >> Hi,
> >>
> >> Here are the typical commands to be used in leap to prepare your system
> >> for MD
> >>
> >> source leaprc.ff14SB >>> for proteins
> >> source leaprc.gaff >>>> for non-protein ligands including HEME--O2
> system
> >> loadamberparams frcmod.ionsjc_tip3p >>>> parameters for waters and
> >> neutralising ions
> >> loadamberparams frcmod.hem >>>> parameters for HEME (those parameters
> not
> >> defined in gaff)
> >> HEM = loadmol2 hem.mol2 >>>> HEME coordinate file
> >> CYP = loadmol2 cyp.mol2 >>>> CYS (rename this CYS to CYM) residue to
> make
> >> coordinate bond with HEME
> >> 2j2 = loadpdb CYP2J2.pdb >>>> protein system
> >> set 2j2.460.28 element "Fe"
> >> bond 2j2.460.28 2j2.405.8 >>>> making the bond between HEME and CYS
> #BOND
> >> CYS-S to HEM-FE
> >> set 2j2.405 connect0 2j2.405.1
> >> set 2j2.405 connect1 2j2.405.9
> >> bond 2j2.404.9 2j2.405.1 #BOND CYS to the protein (new CYP residue)
> >> bond 2j2.405.9 2j2.406.1 #As above
> >> addions 2j2 Na+ 0
> >> solvateoct 2j2 TIP3PBOX 10
> >> saveamberparm 2j2 CYP2J2_FE_box.prmtop CYP2J2_FE_box.inpcrd
> >>
> >>
> >> Best Regards
> >>
> >> [photo]
> >>
> >>
> >>
> >> Elvis Martis
> >> Ph.D. Student (Computational Chemistry)
> >> at Bombay College of Pharmacy
> >>
> >>
> >> A Kalina, Santacruz [E], Mumbai 400098, INDIA
> >> W www.elvismartis.in<https://webapp.wisestamp.com/www.elvismartis.in>
> >> Skype. adrian_elvis12<https://webapp.wisestamp.com/#>
> >>
> >>
> >> [https://ci3.googleusercontent.com/proxy/P0F8-p0kwxKdscp6zsT-
> >> ZSRttk9OJEsBGiaXej_H2ERz8n2ma5SLHFAWJdKL-wqOlXSGjbmEyga9C8lmU1bs-_
> >> yPIq3CnazA5eJVDYjce1r-34uwxqjjRnmAtE473lEq28nSHQ=s0-
> >> d-e1-ft#https://s3.amazonaws.com/images.wisestamp.com/
> >> icons_for_colors_32/linkedin.png]<http://www.linkedin.com/
> >> in/elvisadrianmartis/>
> >>
> >>
> >>
> >>
> >>
> >> ________________________________
> >> From: Rana Rehan Khalid <rrkhalid.umich.edu>
> >> Sent: 28 June 2017 10:41:11
> >> To: AMBER Mailing List
> >> Subject: Re: [AMBER] how can i use two force field one is ff14sb other
> is
> >> not in leaprc source to produce prmtop and inpcrd files for protein
> >>
> >> Yes sir see that but i have the force field .prm for amber heme Fe---O2
> and
> >> i want to know that how i use it with the amber buitin ff to generate
> the
> >> inpcrd and prmtop file
> >>
> >> I paste heme force field into which folder?? so that i can access as we
> >> source some force field like ff14SB it to read my system
> >>
> >>
> >>
> >> On Wed, Jun 28, 2017 at 12:27 AM, Elvis Martis <elvis.martis.bcp.edu.in
> >
> >> wrote:
> >>
> >>> Hi,
> >>>
> >>> Please read this post http://archive.ambermd.org/201605/0267.html
> >>>
> >>> Re: [AMBER] How to deal with Heme? from Abelak, Kavin on ...<
> >>> http://archive.ambermd.org/201605/0267.html>
> >>> archive.ambermd.org
> >>> From: Abelak, Kavin Date: Wed, 18 May 2016 12:16:32 +0000 Hi Morteza,
> >> I’ve
> >>> been doing some simulations on CYPs and using HEME parameters from ...
> >>>
> >>>
> >>>
> >>>
> >>> Best Regards
> >>>
> >>> [photo]
> >>>
> >>>
> >>>
> >>> Elvis Martis
> >>> Ph.D. Student (Computational Chemistry)
> >>> at Bombay College of Pharmacy
> >>>
> >>>
> >>> A Kalina, Santacruz [E], Mumbai 400098, INDIA
> >>> W www.elvismartis.in<https://webapp.wisestamp.com/www.elvismartis.in>
> >>> Skype. adrian_elvis12<https://webapp.wisestamp.com/#>
> >>>
> >>>
> >>> [https://ci3.googleusercontent.com/proxy/P0F8-p0kwxKdscp6zsT-
> >>> ZSRttk9OJEsBGiaXej_H2ERz8n2ma5SLHFAWJdKL-wqOlXSGjbmEyga9C8lmU1bs-_
> >>> yPIq3CnazA5eJVDYjce1r-34uwxqjjRnmAtE473lEq28nSHQ=s0-
> >>> d-e1-ft#https://s3.amazonaws.com/images.wisestamp.com/
> >>> icons_for_colors_32/linkedin.png]<http://www.linkedin.com/
> >>> in/elvisadrianmartis/>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> ________________________________
> >>> From: Rana Rehan Khalid <rrkhalid.umich.edu>
> >>> Sent: 28 June 2017 09:24:07
> >>> To: AMBER Mailing List
> >>> Subject: [AMBER] how can i use two force field one is ff14sb other is
> not
> >>> in leaprc source to produce prmtop and inpcrd files for protein
> >>>
> >>> I am working on heme containing protein i have separate force field for
> >>> heme fe---02 how can i use it to prepare initial coordinate file and
> >> prmtop
> >>> file for my heme containing system.
> >>>
> >>>
> >>> Thanks
> >>> _______________________________________________
> >>> AMBER mailing list
> >>> AMBER.ambermd.org
> >>> http://lists.ambermd.org/mailman/listinfo/amber
> >>> _______________________________________________
> >>> AMBER mailing list
> >>> AMBER.ambermd.org
> >>> http://lists.ambermd.org/mailman/listinfo/amber
> >>>
> >> _______________________________________________
> >> AMBER mailing list
> >> AMBER.ambermd.org
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> >> _______________________________________________
> >> AMBER mailing list
> >> AMBER.ambermd.org
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> >>
> > _______________________________________________
> > AMBER mailing list
> > AMBER.ambermd.org
> > http://lists.ambermd.org/mailman/listinfo/amber
> >
>
>
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Received on Wed Jun 28 2017 - 12:30:03 PDT
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