Hi Noel,

Thank you for the fast answer. Actually, OBMol can be split into 
separated OBMol objects but the order of residues of a protein will be 
mixed up at least if unknown residue names are present or the protein is 
disconnected. Furthermore, for ligands the residue name, residue 
numbering and the atom names will not be copied to the new OBMol object. 
It seems that 'Separate' just copy atoms from one OBMol to a new ones.

Best,
Stefan



On 11/07/2012 04:16 PM, Noel O'Boyle wrote:
> Does OBMol::Separate work for this? See the API at
> http://openbabel.org/api/2.3/classOpenBabel_1_1OBMol.shtml#a1e5c6955a32c0ec2317a8de12ab7ba5a
>
> - Noel
>
> On 7 November 2012 13:53, Stefan Henrich <[email protected]> wrote:
>> Hi OpenBabel users,
>>
>> Is there an easy way to read a complex structure as a molecule using
>> openbabel (python-API) and to split it afterwards into different
>> molecules (e.g., protein, ligand, cofactor,...) to handle/write it as
>> different objects? Here, it would be helpful not loosing information
>> like residue names what happens if you just copy atoms to a new molecule
>> object.
>> Thank you for your help!
>>
>> Best,
>> Stefan
>>
>>
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