| Gene Symbol | CST3 |
| Full Name | Cystatin C |
| Chromosome | 20p11.21 |
| Function | Cysteine protease inhibition |
| Molecular Weight | 13 kDa |
| Amino Acids | 120 aa |
| UniProt ID | P01034 |
| NCBI Gene ID | 1471 |
| Ensembl ID | ENSG00000141540 |
| OMIM | 123400 |
| GeneCards | CST3 |
| Human Protein Atlas | CST3 |
| Protein Size | 120 amino acids (~13 kDa) |
| Biomarker | Strengths |
| Aβ42 | Direct disease relevance |
| Associated Diseases | ALS, Diabetes, Hypertension |
| Interactions | CTSS, NPTX1, SERPINA3, NRXN2, VGF, CTSB |
| KG Connections | 42 knowledge graph edges |
| Databases | GeneCardsHPASTRING |