alpha-D-Glc?N-(1->7)-L-gro-alpha-D-manHepp-(1->2)[L-gro-alpha-D-manHepp-(1->6)]-L-gro-alpha-D-manHepp-(1->3)beta-D-Fruf-(2->6)-beta-D-Glcp-(1->4)[alpha-D-Glcp-(1->6)]-L-gro-alpha-D-manHepp-(1->5)-alpha-D-Kdop4P-(2->6)-beta-D-GlcpN4P-(1->6)-alpha-D-GlcpN(1->