Secondary structural elements (%) obtained after deconvolution of the Amide I (1600–1700 cm⁻¹) region of ovalbumin and ovalbumin oligomers (pI) formed with the increment in HgCl₂ concentration.

	OVA 4.5	+1.5 μM HgCl2	+2.5 μM HgCl2	+6.25 μM HgCl2
β-Sheet	20.72	20.89	23.18	48.10
α-Helix	49.33	19.98	18.50	0.71
Random coils	8.71	19.43	29.90	33.51
β-turns	8.81	3.31	2.66	15.98
Antiparallel β	9.23	25.80	24.03	—