Comments (5)
I still think we should discuss it with the other curators.
Definitely - exactly as for the transcriptional regulation we want to come up with a broadly useful annotation standard.
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@ukemi @deustp01 Plugging in this change and running the tests, our transport test example reaction (R-HSA-201669 in model R-HSA-201681) has changed because it's curated to a GO BP term. Showing the reaction before my change:
And after:
As you can see, the location info has been discarded along with the inferred "transport activity" function term. Is this ok with you?
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Hi @dustine32. Yes and no. This is something we should discuss on a weeds call. For nuclear import, we have been inferring a transporter activity and hand waving that the enabler would be the nuclear pore. We need to discuss whether this is ok. If not, we have a biological process called 'import into the nucleus'. I think that process is a better asserted match for the black box reaction below that the regulation BP. I will put it on the agenda for a future call.
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I think that process is a better asserted match for the black box reaction below that the regulation BP.
Questions, perhaps to set up that weeds discussion
- The textbook description of getting. cargo across the nuclear envelope via the nuclear pore (in either direction) distinguishes multiple steps enabled by multiple soluble accessory proteins and multiple proteins anchored in the nuclear pore, which sounds like a process, but at the same time under normal physiological conditions once a cargo starts the trip it always completes it, so all these steps can be viewed in the same way as the multiple intermediates formed in the course of hydrolysis of a peptide bond by a serine protease. So, we need a convention. Would the process / blackBoxEvent (analogous to the "gene expression" process convention we are working our way towards for transcriptional regulation of gene expression) work here as well?
- Inferring a transporter activity: again, the textbook has it that everything over a certain size must interact with pore components as above in order to traverse the pore, so it seems like a very conservative inference to assert that protein or RNA above that minimum size follows the textbook route even though it has not been individually studied in experiments. Or am I missing something?
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You're not missing anything. I would argue for the import process assertion. I think we are seeing over and over that the inferred transporter activities are often problematic. It was a nice idea, but there are lots of exceptions where what is represented is actually a process. I still think we should discuss it with the other curators.
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Related Issues (20)
- Prioritization of Steps in Converting Molecular Events HOT 7
- Review the causal flow between EGFR(s) activity and Src activity
- First step: Import Reactome Pathways for MOD species HOT 6
- Second step: Add existing evidence to imported pathways HOT 1
- Third step: Use Textpresso-like resource to identify papers that could provide evidence for statements that aren't supported by evidence from existing annotations. HOT 1
- Represent enzymatic complex enablers according to GO-CAM spec HOT 11
- Representation of an unknown enabler in Reactome and GO-CAM HOT 6
- Signal/Transit peptides in Reactome (12 confirmed cases) HOT 3
- Suspicious sequence range for UniProtKB:P43251 derived EWASes HOT 1
- Complexes & Sets - info needed for PRO
- Switch on intermediate small molecule instance sharing for Reactome HOT 9
- Sub-sequence termini revisions/review HOT 4
- R-HSA-163765 "ChREBP activates metabolic gene expression" cleanup HOT 1
- GO-CAM reaction labels don't match the Reactome pathway browser
- Reactome: amino acid and PTM mismatches
- To discuss: how to handle Reactome and Yeast Pathways imported GO-CAMs wrt input/output data updates
- Fatty AcylCoA biosynthesis HOT 4
- Only include reactions that are part of a pathway in the GO-CAM imports
- Experiment: Only include chemicals that are causally connected in a model. HOT 2
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