Update README.md

README.md

@@ -45,6 +45,17 @@ Hong X, Li N, Lv J, Zhang Y, Li J, Zhang J, Chen HF. *PTMint database of experim
 
 ## Data Files
 
+## Dataset Statistics
+
+![Basic distributions](images/ptmint_basic_distributions.png)
+
+![Relationships](images/ptmint_relationships.png)
+
+### Main Experimental Methods
+
+![Methods](images/ptmint_methods.png)
+<img src="images/ptmint_overview.png" width="600">
+
 This repo exposes two splits under a single config (`main`):
 
 1. **ptmint_general**  
@@ -60,6 +71,31 @@ This repo exposes two splits under a single config (`main`):
 - **This dataset repository:** MIT License for educational purposes only.
 - **Underlying PTMint database/publication:** please cite the PTMint paper when using these data.
 
+## Citation
+
+If you use this dataset in your research, please cite the original **PTMint** publication:
+
+Hong X, Li N, Lv J, Zhang Y, Li J, Zhang J, Chen HF.  
+*PTMint database of experimentally verified PTM regulation on protein–protein interaction.*  
+Bioinformatics. 2023;39(1):btac823.  
+https://doi.org/10.1093/bioinformatics/btac823
+
+**BibTeX:**
+
+```bibtex
+@article{hong2023ptmint,
+  title   = {PTMint database of experimentally verified PTM regulation on protein–protein interaction},
+  author  = {Hong, Xue and Li, Ning and Lv, Jia and Zhang, Yu and Li, Jie and Zhang, Jie and Chen, H. F.},
+  journal = {Bioinformatics},
+  volume  = {39},
+  number  = {1},
+  pages   = {btac823},
+  year    = {2023},
+  doi     = {10.1093/bioinformatics/btac823},
+  pmid    = {36548389}
+}
+```
+
 ## Contact
 
 For Huggingface database: Lina Maria Pena Pardo / linamp (at) umich.edu