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. Author manuscript; available in PMC: 2020 Oct 3.
Published in final edited form as: J Org Chem. 2017 Jul 14;82(15):7905–7912. doi: 10.1021/acs.joc.7b01116

Table 1.

Diffusion coefficients (D) of peptides 1Arg and 1Cit in 50 mM CD3COOD and 50 mM CD3COONa buffer in D2O at 298 K

MWmonomer
(Da)		 MWtetramer
(Da)		 Conc.
(mM)		 D
(× 10−7 cm2/s)		 Oligomer state
1Arg 1759 7036 4 19.6 ± 0.6 monomer
1cit 1760 7040 1 20.0 ± 2.0 monomer
1cit 1760 7040 2 18.9 ± 1.2 monomer
1cit 1760 7040 4 17.4 ± 1.2 mixture
1cit 1760 7040 8 14.2 ± 0.3 mixture
1cit 1760 7040 16 12.4 ± 0.3 tetramer