Hi Adelene, The idea of that code is that it checks every atom in the sidechain attached at that point. So though atom number 4 itself is a C, the sidechain attached there contains a non-carbon atom (specifically atom 1)
Does that make sense? -greg On Thu, Apr 30, 2020 at 7:02 PM Adelene LAI SHUEN LYN <adelene....@uni.lu> wrote: > Hello, > > > I'm trying to understand the example below. > > > > https://www.rdkit.org/docs/GettingStartedInPython.html#advanced-substructure-matching > > > Why is it when checking for "all_carbon" that the substructure with > indices 6,11,17,5,4 is filtered out? > > > Isn't atom 4 also a carbon? > Or does it have something to do with it having the all_carbon query set as > one of its properties? > > > > > <https://www.rdkit.org/docs/GettingStartedInPython.html#advanced-substructure-matching> > Thanks, > > Adelene > > > > > > _______________________________________________ > Rdkit-discuss mailing list > Rdkit-discuss@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/rdkit-discuss >
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