| Database | Identifier | Description |
| NBRP | SPAC20G4.09 | Fission yeast strain database, National BioResource Project (Japan) |
| YOGY | SPAC20G4.09 | Retrieval of eukaryotic orthologs |
| BioGrid | SPAC20G4.09 | BioGRID Interaction Datasets |
| Bähler Lab | SPAC20G4.09 | Cell Cycle Expression Profile |
| Bähler Lab | SPAC20G4.09 | Meiosis/Sporulation Expression Profies |
| Bähler Lab | SPAC20G4.09 | Pheromone response/mating expression profiles |
| Bähler Lab | SPAC20G4.09 | Environmental stress expression profiles |
| Bähler Lab | SPAC20G4.09 | Bähler Lab Transcriptome Viewer |
| Cyclebase | SPAC20G4.09 | Cell Cycle Data |
| Entrez Gene | SPAC20G4.09 | Link to Entrez Gene |
| UniProtKB/SwissProt | C6Y4B1 | Uncharacterized protein C20G4.09 |
| ArrayExpress | C6Y4B1 | Link to ArrayExpress |
| RefSeq_mRNA_predicted | XM_002742470 | 972h- sequence orphan (SPAC20G4.09), mRNA |
| RefSeq_peptide_predicted | XP_002742516 | sequence orphan |
| European Nucleotide Archive | CU329670 | ENA EMBL mapping |
| European Nucleotide Archive | CBA11507 | ENA Protein Mapping |
| UniParc | UPI0001B06292 | UniProt Archive |