beta-D-GlcpA-(1->2)[3)-alpha-D-Manp-(1->3)[beta-D-Man?-(1->4)-beta-D-Xylp-(1->4)-beta-D-Xylp-(1->6)]-alpha-D-Manp-(1->3)-alpha-D-Manp-(1->3)[beta-D-Man?-(1->4)-beta-D-Xylp-(1->4)-beta-D-Xylp-(1->6)]-alpha-D-Manp-(1->]n