Re: [AMBER] Weird error with antechamber for metal ion / MCPB tutorial

From: Gustavo Seabra <gustavo.seabra.gmail.com>
Date: Sat, 28 Mar 2020 00:31:38 -0400

Thank you. Can you please tell me which are the relevant changes?

The error in this thread was solved by using Antechamber 17.3.

Thanks,
--
Gustavo Seabra
-----Original Message-----
From: Pengfei Li <ambermailpengfei.gmail.com> 
Sent: Friday, March 27, 2020 4:58 PM
To: AMBER Mailing List <amber.ambermd.org>
Subject: Re: [AMBER] Weird error with antechamber for metal ion / MCPB tutorial
Hi Gustavo,
I have made a relevant update in the tutorial: http://ambermd.org/tutorials/advanced/tutorial20/mcpbpy.htm <http://ambermd.org/tutorials/advanced/tutorial20/mcpbpy.htm>.
You can do a try to see whether it works.
Pengfei
> On Feb 27, 2020, at 9:10 AM, Gustavo Seabra <gustavo.seabra.gmail.com> wrote:
> 
> Thanks a lot David and Marcelo,
> 
> Using '-dr n'  or '-dr no'  didn't help, and I still got the same error.
> However, rolling back to Antechamber 17.3 works nicely:
> 
> $ antechamber -fi pdb -fo mol2 -i ZN.pdb -o ZN_pre.mol2 -at amber -pf 
> y Welcome to antechamber 17.3: molecular input file processor.
> acdoctor mode is on: check and diagnosis problems in the input file.
> -- Check Format for pdb File --
>   Status: pass
> -- Check Unusual Elements --
> Warning: Unusual element () for atom (ID: 1, Name: ZN).
> GAFF does not have sufficient parameters for molecules having unusual
>         elements (those other than H,C,N,O,S,P and halogens).
>         To ensure antechamber works properly, one may need to designate
>         bond types for bonds involved with unusual elements.
>         To do so, simply freeze the bond types by appending "F" or "f"
>         to the corresponding bond types in ac or mol2 files.
> -- Check Open Valences --
> Warning: This molecule has no hydrogens nor halogens.
>         It is quite possible that there are unfilled valences.
> -- Check Geometry --
>      for those bonded
>      for those not bonded
>   Status: pass
> -- Check Weird Bonds --
>   Status: pass
> -- Check Number of Units --
>   Status: pass
> acdoctor mode has completed checking the input file.
> 
> 
> It really seems to be a bug introduced in some later version of 
> Antechamber.
> 
> All the best,
> --
> Gustavo Seabra.
> 
> 
> On Thu, Feb 27, 2020 at 3:50 AM Marcelo Andrade Chagas < 
> andrade.mchagas.gmail.com> wrote:
> 
>> Dear Gustavo Seabra.
>> 
>> In the AMBER16 version it works normally when using antechamber.
>> 
>> There's nothing wrong with Zn.pdb input file.
>> 
>> I suggest using AMBER16 version, if possible, for the 
>> parameterization process when reproducing this tutorial, or check the 
>> problem in the version used.
>> 
>> Best regards.
>> 
>> Marcelo
>> 
>> Dr. Marcelo Andrade Chagas,
>> http://lattes.cnpq.br/7024808363863350
>> *eCsMo**Lab**: Laboratório de Estudos Computacionais em Sistemas
>> Moleculares*
>> Laboratório de Química Computacional e Modelagem Molecular - LQC-MM
>> * http://lqcmm.qui.ufmg.br/
>> 
>> Departamento de Química, ICEx, Universidade Federal de Minas Gerais
>> 
>> 31270-901, Pampulha, Belo Horizonte, MG, Brazil.
>> Tel:(31)3409-5776
>> 
>> 
>> David A Case <david.case.rutgers.edu> escreveu no dia quarta, 
>> 26/02/2020
>> à(s) 23:19:
>> 
>>> On Wed, Feb 26, 2020, Gustavo Seabra wrote:
>>>> 
>>>> I'm having a weird error with Antechamber here,
>>> 
>>> update to the last email: it might be "-dr n" instead of "-dr no".
>>> 
>>> ...dac
>>> 
>>> 
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Received on Fri Mar 27 2020 - 22:00:02 PDT
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