Table 2.

ANM eigenvalues and mode types of lumazine synthase

Mode #	Eigenvalue (ps−2)	Tetrahedral representations	Icosahedral representations	Vector spherical representations
1–2	0.83817	E	H	V2 + W2
3–5	0.84045	F
6–8	1.41542	F	H	X2
9–10	1.42215	E
11–13	1.98688	F	G	V3 + W3
14	1.99022	A
15–17	2.18280	F	F2
18	3.09788	A	A	V0
19–21	3.26416	F	F2	X3
22–24	3.29502	F	G
25	3.30125	A
26–28	3.44217	F	F1	V1

Icosahedral symmetry breaking ρ₆/ρ₀ = 0.0049 and tetrahedral symmetry breaking ρ₄/ρ₆ = 0.1148.