(a) Comparison of protein profiles from whole-organism lysates of three Bartonella species separated in a 12% gel by SDS-PAGE. Lane 1, molecular weight (MW) standard (in thousands); lane 2, B. henselae (Houston I strain; ATCC 49882); lane 3, B. clarridgeiae (ATCC 51734); lane 4, B. koehlerae (ATCC 700693). (b) Comparison of OMP profiles from three Bartonella species separated in a 12% gel by SDS-PAGE. Lane 1, MW standard (in thousands); lane 2, B. henselae (Houston I strain; ATCC 49882); lane 3, B. clarridgeiae (ATCC 51734); lane 4, B. koehlerae (ATCC 700693).