preferred_name: UDP-N-acetyl-alpha-D-mannosaminouronate + N-acetyl-alpha-D-glucosaminyl-di-trans,octa-cis-undecaprenyl diphosphate <=> beta-D-ManNAcA-(1->4)-alpha-D-GlcNAc-di-trans,octa-cis-undecaprenyl diphosphate + UDP + H(+)