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. Author manuscript; available in PMC: 2021 Jun 30.
Published in final edited form as: J Phys Chem B. 2020 Jul 17;124(31):6763–6774. doi: 10.1021/acs.jpcb.0c03665

Table 1.

Physical Constants for Bovine SP-B and SP-C25,26

protein SP-B (dimer) SP-C
molecular weight (Da) 17,397 4042
no. amino acids 158 34
net charge (e′) +12 +2
weight ratio 1 1
molar ratio 0.21 1