| Gene Symbol | DNAJB9 |
| Full Name | DnaJ heat shock protein family (Hsp40) member B9 |
| Chromosome | 9p24.1 |
| Function | is a member of the DnaJ heat shock protein family, which functions as a co-chaperone in the endoplasmic reticulum (ER). |
| Subcellular Localization | DNAJB9 is exclusively localized to the ER lumen, where it performs its chaperone functions. Its retention is mediated by |
| Molecular Weight | 27 kDa |
| Amino Acids | 292 aa |
| Exons | 5 |
| UniProt ID | [Q9Y3X0](https://www.uniprot.org/uniprot/Q9Y3X0) |
| Ensembl ID | ENSG00000102948 |
| GeneCards | DNAJB9 |
| Human Protein Atlas | DNAJB9 |
| J domain function | Stimulates BiP ATPase activity |
| Substrate binding | Delivers folded/unfolding proteins to BiP |
| Allosteric regulation | Modulates BiP substrate affinity |
| Associated Diseases | Aging, Als |
| Interactions | HSPA1A, IL1A, Proteins |
| KG Connections | 28 knowledge graph edges |
| Databases | GeneCardsNCBI GeneHPASTRING |
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