| Gene Symbol | SMN |
| Chromosome | 5q13.2. |
| Function | SMN is essential for cellular viability, and complete absence is embryonically lethal. |
| Primary Expression | Spinal Cord, Ca1, Cerebellum |
| Molecular Weight | 38 kDa |
| Amino Acids | 294 aa |
| Exons | 2 |
| Pathways | Tdp-43, Apoptosis, Er Stress, Cell Cycle, CRISPR-Cas |
| GeneCards | SMN |
| Human Protein Atlas | SMN |
| Gene [^6]
[SMN1](/entities/smn1) [^7]
[^8]
[^9]
UniProt [^10]
Q16637 [^11]
[^12]
[@external]
PDB [^14]
4A4G (Tudor domain), 4GLI (YG-dimer) [^15]
[^16]
[^17]
Mol. Weight [@ref]
~38 kDa (294 amino acids) [@smn]
[@refa]
[@omim]
Localization [@ncbi]
Nucleus (gems/Cajal bodies), cytoplasm
Family | Tudor domain protein family |
| Associated Diseases | ALS, Amyotrophic Lateral Sclerosis, Dementia, Frontotemporal Dementia, Spinal Muscular Atrophy |
| Interactions | STMN2, TDP-43, CHMP7, Rb, ALS, NEURON |
| KG Connections | 121 knowledge graph edges |
| Databases | GeneCardsUniProtNCBI GeneHPASTRING |