string-protein-interaction-analysis-with-omicverse
Help Claude query STRING for protein interactions, build PPI graphs with pyPPI, and render styled network figures for bulk gene lists.
Best use case
string-protein-interaction-analysis-with-omicverse is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Help Claude query STRING for protein interactions, build PPI graphs with pyPPI, and render styled network figures for bulk gene lists.
Teams using string-protein-interaction-analysis-with-omicverse should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/bulk-stringdb-ppi/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How string-protein-interaction-analysis-with-omicverse Compares
| Feature / Agent | string-protein-interaction-analysis-with-omicverse | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Help Claude query STRING for protein interactions, build PPI graphs with pyPPI, and render styled network figures for bulk gene lists.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
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SKILL.md Source
# STRING protein interaction analysis with omicverse
## Overview
Invoke this skill when the user has a list of genes and wants to explore STRING protein–protein interactions via omicverse. The
workflow mirrors [`t_network.ipynb`](../../omicverse_guide/docs/Tutorials-bulk/t_network.ipynb), covering species selection, S
TRING API queries, and quick visualisation of the resulting network.
## Instructions
1. **Set up libraries**
- Import `omicverse as ov` and call `ov.utils.ov_plot_set()` (or `ov.plot_set()`) to match omicverse aesthetics.
2. **Collect gene inputs**
- Accept a curated list of gene symbols (`gene_list = [...]`).
- Encourage the user to flag priority genes or categories so you can colour-code groups in the plot.
3. **Assign metadata for plotting**
- Build dictionaries mapping genes to types and colours, e.g. `gene_type_dict = dict(zip(gene_list, ['Type1']*5 + ['Type2']*6
))` and `gene_color_dict = {...}`.
- Remind users that consistent group labels improve legend readability.
4. **Query STRING interactions**
- Call `ov.bulk.string_interaction(gene_list, species_id)` where `species_id` is the NCBI taxonomy ID (e.g. 4932 for yeast).
- Inspect the resulting DataFrame for combined scores and evidence channels to verify coverage.
5. **Construct the network object**
- Initialise `ppi = ov.bulk.pyPPI(gene=gene_list, gene_type_dict=..., gene_color_dict=..., species=species_id)`.
- Run `ppi.interaction_analysis()` to fetch and cache STRING edges.
6. **Visualise the network**
- Generate a default plot with `ppi.plot_network()` to reproduce the notebook figure.
- Mention that advanced styling (layout, node size, legends) can be tuned through `ov.utils.plot_network` keyword arguments if
the user requests adjustments.
7. **Troubleshooting**
- Ensure gene symbols match the species—STRING expects case-sensitive identifiers; suggest mapping Ensembl IDs to symbols when
queries fail.
- If the API rate-limits, instruct the user to wait or provide a cached interaction table.
- For missing interactions, recommend enabling STRING's "add_nodes" option via `ppi.interaction_analysis(add_nodes=...)` to exp
and the network.
## Examples
- "Retrieve STRING interactions for FAA4 and plot the network highlighting two gene classes."
- "Download the STRING edge table for my Saccharomyces cerevisiae gene panel and colour nodes by module."
- "Extend the network by adding the top five predicted partners before plotting."
## References
- Tutorial notebook: [`t_network.ipynb`](../../omicverse_guide/docs/Tutorials-bulk/t_network.ipynb)
- STRING background: [string-db.org](https://string-db.org/)
- Quick copy/paste commands: [`reference.md`](reference.md)Related Skills
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