Table 3. Mean content of parallel -sheet (in %) and the results of the MM/GBSA calculation (in kcalmol).

Oligomer	whole protein	in the N-terminus	in the C-terminus	interaction energy
O4	50.04	77.12	45.80	–*
O5	48.10	76.13	36.97	–*
O6	53.54	83.82	49.18	–*
O8	60.24	85.68	56.97	–131.26
O10	56.01	83.63	50.67	–122.10
O12	60.24	82.35	63.14	–141.61
O24	66.37	87.81	73.52	–96.31
O48	67.27	87.03	78.73	–35.49
O2×4	60.90	53.59	45.64	–80.72
O2×5	60.78	59.60	53.95	–117.12
O2×6	63.00	62.50	61.28	–150.84
O2×12	68.74	77.14	79.02	–266.96
O2×24	71.19	86.67	86.79	–565.28

^*The small oligomers O₄, O₅, and O₆ were excluded from energetical analysis because no protofilament pair complement existed in this study.