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Commit 4ff94013 authored by Natalia  PIETROSEMOLI's avatar Natalia PIETROSEMOLI
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Update Thursday/StringDB-HandsOn.md

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...@@ -12,11 +12,11 @@ Here, we will explore the intractions of genes associzated to large deletiomns i ...@@ -12,11 +12,11 @@ Here, we will explore the intractions of genes associzated to large deletiomns i
We will use The Human Protein Atlas to find the 41 genes associated to large deletions in cancer We will use The Human Protein Atlas to find the 41 genes associated to large deletions in cancer
https://www.proteinatlas.org/ https://www.proteinatlas.org/
1. Choose : The tissue -> Go to the Human Subproteomes and choose The cancer proteome -> Select the large deletions genes * Choose : The tissue -> Go to the Human Subproteomes and choose The cancer proteome -> Select the large deletions genes
2. Download the table as a .tsv file * Download the table as a .tsv file
3. Open in Excel and choose one column as gene identifier : copy it to clipboard * Open in Excel and choose one column as gene identifier : copy it to clipboard
## Looking for the gene interactors ## Looking for the gene interactors
...@@ -25,36 +25,58 @@ We will find our interacting proteins in the String DB. ...@@ -25,36 +25,58 @@ We will find our interacting proteins in the String DB.
https://string-db.org/ https://string-db.org/
1. Search -> Multiple proteins and paste list * Search -> Multiple proteins and paste list
2. Select organism and click the search button * Select organism and click the search button
3. Check the mapping, are they your prots ? How many ? * Check the mapping, are they your prots ? How many ?
4. Click the continue button * Click the continue button
## Exploring your network ## Exploring your network
### Check the legend tab to understand the network components ### Check the legend tab to understand the network components
5. What do nodes represent? 1. What do nodes represent?
What do edges represent ?
What are the figures inside the nodes ? 2. What do edges represent ?
3. What are the figures inside the nodes ?
### Check the settings tab to change the network options ### Check the settings tab to change the network options
6. What types of networks can you display ? 4. What types of networks can you display ?
What kind of interaction sources do you have in this netwrok ? 5. What kind of interaction sources do you have in this netwrok ?
Choose to see both functional and physical associations and that the edges represent the confidence of the data Choose to see both functional and physical associations and that the edges represent the confidence of the data
Remove the protein structures previews Remove the protein structure preview
### Check the analysis tab to explore the network's main statistics
7. How many proteins does the network have ?
8. How many interactions does the network have ?
9. How many interactions is this network expected to have if it were a random list of proteins ?
10. How many interactions does each protein have on average ?
### Check the analysis tab to explore the functional enrichment of the network
11. Which proteins belong to the Fanconi anemia KEGG pathway ?
12. How many proteins are described in Uniprot with the Hereditary nonpolyposis colorectal cancer keyword ?
13. How many drug compounds can we find associated to the PTEN protein ?
14. Save a figure of the network in file
15. Save a table of the protein interactions in a table
### Check the analysis tab
7.How many nodes does the network have ?
How many interactions does the network have ?
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