| Database | Identifier | Description |
| NBRP | SPAC23H4.21 | Fission yeast strain database, National BioResource Project (Japan) |
| YOGY | SPAC23H4.21 | Retrieval of eukaryotic orthologs |
| BioGrid | SPAC23H4.21 | BioGRID Interaction Datasets |
| Bähler Lab | SPAC23H4.21 | Cell Cycle Expression Profile |
| Bähler Lab | SPAC23H4.21 | Meiosis/Sporulation Expression Profies |
| Bähler Lab | SPAC23H4.21 | Pheromone response/mating expression profiles |
| Bähler Lab | SPAC23H4.21 | Environmental stress expression profiles |
| Bähler Lab | SPAC23H4.21 | Bähler Lab Transcriptome Viewer |
| Cyclebase | SPAC23H4.21 | Cell Cycle Data |
| Entrez Gene | SPAC23H4.21 | Link to Entrez Gene |
| UniProtKB/SwissProt | C6Y4B4 | Uncharacterized protein C23H4.21 |
| ArrayExpress | C6Y4B4 | Link to ArrayExpress |
| RefSeq_mRNA_predicted | XM_002742459 | 972h- conserved protein (SPAC23H4.21), mRNA |
| RefSeq_peptide_predicted | XP_002742505 | conserved protein |
| European Nucleotide Archive | CU329670 | ENA EMBL mapping |
| European Nucleotide Archive | CBA11496 | ENA Protein Mapping |
| UniParc | UPI0001B0626F | UniProt Archive |