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Update microstates lists and microstate definition of pKa challenge #28

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merged 10 commits into from
Dec 20, 2017

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MehtapIsik
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Updates for v1.5 of SAMPL6 repository for pKa challenge:

  1. Add working definition for pKa microstate: All geometric isomers and resonance structure pairs that have the same total charge and the same number of hydrogens bound to equivalent heavy atoms are related to the same microstate.
  2. Add a comment that only E-isomer of SM20 must be modeled. I did the experiments with pure E-isomer.
  3. Deprecated replicate microstates (mostly related to geometric isomers)
  4. Add back SM21_micro020 microstate which was deprecated by mistake. Bas identified it through Epik predictions.
  5. Add lists of suggested physical microstate pairs (microstates pairs that interconvert by one deprotonation event)
  6. Adding a canonical SMILES column in addition to canonical isomeric SMILES to SMXX_microstates.csv files for easier matching of predicted microstates to microstate IDs.

@davidlmobley @bannanc Could you please review and merge?

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Looks reasonable to me. Would be better if @bannanc could also review, but she's sick and soon traveling, so I'm not sure she'll have time. If necessary go ahead without...

Canonical isomeric SMILES, canonical SMILES, and microstate IDs of microstates can be found in [physical_properties/pKa/microstates/](physical_properties/pKa/microstates/) directory.
Due to replicate and missing microstates present in the first release of microstate lists, we have updated `SMXX_microstates.csv` files with necessary corrections in Version 1.5 of this repository.

The main corrections of the update for Version 1.5 was the removal of resonance structures and geometric isomers that were causing dublicate representation of same microstates.
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"dublicate" -> "duplicate"

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"main corrections" -> "main correction". Also, extra space after "1.5".

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Thank you. I corrected these.

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Caitlin says she will be able to review soon.

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OK. I'll wait for her feedback as much as I can today (~4 hours) before merging and sending the announcement email.

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bannanc commented Dec 20, 2017

@MehtapIsik This looks good to me. Are the pairs all in the same direction, that is would they all results in either a +1 or -1 charge difference as discussed in the e-mail discussion with Stefan? Assuming that is the case, I think this is ready to merge.

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Yes, I corrected the order of microstate pairs. The current order is deprotonation:
ID1, ID2
HA, A

@MehtapIsik MehtapIsik merged commit f05a048 into master Dec 20, 2017
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3 participants