beta-D-Glc-(1->3)-alpha-D-GalN-(1->4)-[alpha-LD-Hep-(1->2)-alpha-DD-Hep-(1->2)]-alpha-D-GalA-(1->3)-[alpha-LD-Hep-(1->7)]-alpha-LD-Hep6PEtn-(1->3)-[beta-D-Glc-(1->4)]-alpha-LD-Hep-(1->5)-[alpha-Kdo-(2->4)][beta-L-Arap4N-(1->8)]-alpha-Kdo-(2->6)-lipid A
beta-d-glc-(1->3)-alpha-d-galn-(1->4)-[alpha-ld-hep-(1->2)-alpha-dd-hep-(1->2)]-alpha-d-gala-(1->3)-[alpha-ld-hep-(1->7)]-alpha-ld-hep6petn-(1->3)-[beta-d-glc-(1->4)]-alpha-ld-hep-(1->5)-[alpha-kdo-(2->4)][beta-l-arap4n-(1->8)]-alpha-kdo-(2->6)-lipid a
A lipid A derivative that constitutes the lipopolysaccharide (LPS) core region of <em>Proteus penneri</em> strain 26. In the structural diagram lipid A substituents R<small><sub>1</sub></small>, R<small><sub>2</sub></small>, R<small><sub>3</sub></small> and R<small><sub>4</sub></small> are alkyl chains and R<small><sub>5</sub></small> and R<small><sub>6</sub></small> are either acyl chains or H.