TABLE 3.

Relative levels of MAb binding

Strain	Level of binding toa:
	MAb 4C4	MAb LLA5
1008	++++	+
1008lex2Glc1008b	++++	+
1008lex2Gal1124	+	+
1008lex2B	+	+
1124	++	+
1124lex2Gal1124	++	+
1124lex2Glc1008	++	+
1124lex2B	++	+
1247	++++	++
1247lex2Glc1247	++++	++
1247lex2Gal432	++	++
1247lex2Gal1124	++	++
1247lex2Glc1008	++++	++
1247lex2B	++	++
2019	+++	++++
2019lex2Gal2019	++	++++
2019lex2Glc1247	++	++++
2019lex2Glc1292	++	++
2019lex2B	++	+++

^aRelative levels of MAb binding to strains compared to the corresponding parent and lex2 mutant strains. ++++, strong binding; +++, intermediate binding; ++, weak binding; +, background.

^bBold type indicates allelic exchange strains investigated in this study.