On 09/08/2016 02:37 PM, Rocco Moretti wrote:

> (2) There's special complications here that there are certain structures,
> such as imidazole, which needs physical or explicit hydrogens on one of the
> nitrogens in order to Kekulize properly. If you're implicit only, the RDKit
> sanitizer will choke. Thus, there's special casing in various Add/RemoveHs
> function to avoid implicit-izing these critical hydrogens.

So if I feed a mol file describing protonated histidine to rdkit, the
rdmol I actually get by default is the one with NH2 and COOH? Ohkay...

Great write-up, though, thank you.
-- 
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu

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