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. 2006 Nov 17;92(4):1343–1349. doi: 10.1529/biophysj.106.089896

TABLE 5.

Maximum wavelength of emission of the apo and ligand bound NMDA NR1-1b S1S2 domain

Ligand Maximum wavelength (nm)
Apo 326 ± 3
Spermidine 325 ± 3
Spermine 324 ± 2
Zinc acetate 334 ± 2

The fluorescence emission at 325 nm of 3.75 μM NMDA NR1-1b S1S2 in buffer 3 was probed. Ligands were used in the following final concentrations: 75 mM zinc acetate, 2 mM spermidine, and 1 mM spermine.