TABLE 1.

bfp operon-encoded gene products: molecular masses and cellular localization

Protein	Molecular mass (kDa)a	Localizationb
BfpA	20.4	Inner membrane (nonpolymerized monomers)
BfpG	13.3	Outer membrane
BfpB	58.2	Outer membrane
BfpC	45.4	Inner membrane
BfpU	17.7	Periplasm
BfpD	60.5	Unknown
BfpE	39.8	Inner membrane
BfpF	36.7	Unknown
BfpP	28	Inner membranec
BfpH	16.5	Periplasmd
BfpI	20.3	Inner membrane
BfpJ	20.3	Inner membrane
BfpK	18.1	Inner membrane
BfpL	16.9	Inner membrane

^aPredicted from coding sequence.

^bFrom Stone et al. (23) and Ramer et al. (13).

^cBased on cellular function; not biochemically confirmed.

^dLocalization of BfpH is from unpublished work using a BfpH-6xHis construct.