Restriction fragment banding patterns of cps allelic variants. (A) Lane 2, cps4.1; lane 3, cps4.2; lane 4, cps5.1; lane 5, cps5.2. (B) Lane 2, cps6; lane 3, cps5.1; lane 4, cps7.1; lane 5, cps7.2. In both panels, lanes 1 and 6 show the 1-kb plus ladder and 100-bp ladder, respectively. Capsule serotypes are indicated above in Roman numerals.