HuR biological function involves RRM3-mediated dimerization and RNA binding by all three RRMs.
Pabis, M., Popowicz, G.M., Stehle, R., Fernandez-Ramos, D., Asami, S., Warner, L., Garcia-Maurino, S.M., Schlundt, A., Martinez-Chantar, M.L., Diaz-Moreno, I., Sattler, M.(2019) Nucleic Acids Res 47: 1011-1029
- PubMed: 30418581 
- DOI: 10.1093/nar/gky1138
- Primary Citation of Related Structures:  
6GD2, 6GD1, 6GD3, 6G2K - PubMed Abstract: 
HuR/ELAVL1 is an RNA-binding protein involved in differentiation and stress response that acts primarily by stabilizing messenger RNA (mRNA) targets. HuR comprises three RNA recognition motifs (RRMs) where the structure and RNA binding of RRM3 and of ful ...