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. 2020 Jan 31;9(1):15–25. doi: 10.7774/cevr.2020.9.1.15

Table 2. Characterization of physico-chemical properties of vaccine candidates.

Physicochemical characteristics Protein ID
fepA ompC nlpD_1 tolC nlpD_2
No. of amino acids 746 373 379 493 259
Molecular weight 82,085.86 41,402.27 40,149.00 53,798.76 27,562.74
Theoretical isoelectric point 5.28 4.56 9.52 5.35 10.21
Signal peptide (aa position) Yes (1–22) Yes (1–21) Yes (1–24) Yes (1–22) No