Re: [AMBER] restrain charge during MCPB.py parametrization

From: Antonija Tomić <Antonija.Tomic.irb.hr>
Date: Wed, 15 Nov 2017 08:10:30 +0100

Dear Pengfei,

Thank you very much, I don't know how I missed this.

Regards,
Antonija




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dr. sc. Antonija Tomić
LBPMM, Institut Ruđer Bošković
  Bijenička cesta 54, 10000 Zagreb, Croatia
Dana 14.11.2017 21:43, Pengfei Li je napisao(la):
> Hi Antonija,
> 
> There is a variable “chgfix_resids” in MCPB.py can help. You can check
> the AMBER manual Page 297 (http://ambermd.org/doc12/Amber17.pdf
> <http://ambermd.org/doc12/Amber17.pdf>).
> 
> Kind regards,
> Pengfei
> 
>> On Nov 14, 2017, at 10:22 AM, Antonija Tomić <Antonija.Tomic.irb.hr> 
>> wrote:
>> 
>> Dear Amber Community,
>> 
>> I am using MCPB.py program to generate parameters for the zinc ion
>> coordinated by two His, Glu and water. I was wondering is there a way 
>> to
>> restrain partial charges on the water molecule during the RESP charge
>> fitting procedure to the values found in AMBER ff? Reason is that I
>> would like to apply hybrid bonded-nonbonded model for the zinc ion
>> (bonded parameters for amino acids coordinating the zinc ion and
>> nonbonded ones for other (water) ligands).
>> 
>> All best,
>> Antonija
>> 
>> 
>> 
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> 
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Received on Tue Nov 14 2017 - 23:30:02 PST
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