Table 2.

Secondary structure content of the ArdA proteins determined by analysis of the CD spectra using CONTIN [26,27]. Secondary structure content of the crystallised Orf18 ArdA is from [9].

Protein	Helix %	Sheet %	Turns and irregular %
Orf18 ArdA crystal	44	19	37
Orf18 ArdA	39	12	49
V583 ArdA	17	29	54
Mu50 ArdA	9	33	58
Bfr ArdA	42	11	47