Synthetic single domain antibodies for the conformational trapping of membrane proteins.

100 mM Sodium acetate, 200 mM Ammonium acetate, 30 % PEG4000, pH 4.6

Maltose-binding periplasmic protein, Synthetic nanobody L2_D09, (a-MBP#3)

nanobody, synthetic library, maltose binding protein, immune system