TABLE 2.

Summary of differences between FnBPA for the type strain of S. aureus and those of various other clinical isolates of S. aureus

Specimena	Position in FnBPA from S. aureus 8325-4 (Fn-binding repeat no.)b						Presence of:
	782 (9)	786 (9)	788 (9)	818 (10)	826 (10)	839 (11)	Extra FnBR between no. 9 and 10	SVDFEED in no. 11
Type strain (8325-4)	H	K	N	H	T	S	No	Yes
CC5*	H	K	D	Q	N	N	No	Yes
CC45*	Q	K	D	H	T	S	Yes	GIDFVED
CDI†	Q	N	N	H	T	N	No	Yes
CDU†	H	K	N	Q	N	S	No	Yes
CDI+CC45‡	Q	K	D	H	T	S	Yes	GIDFVED

^aSources: *, this study; †, Lower et al. (12); ‡, Hos et al. (13).

^bFn-binding repeat numbers are indicated in parentheses in the column subheadings. Boldface, underlined residues indicate amino acid differences from the type strain S. aureus 8325-4.