beta-D-GlcpNAc-(1->?)[?-L-Araf-(1->?)]-alpha-D-Manp-(1->?)beta-D-GlcpNAc-(1->?)-alpha-D-Manp-(1->?)[?-D-Xylf-(1->?)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)[?-L-Fucp-(1->?)]-beta-D-GlcpNAc(1->