label: 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(+)
label_lc: 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(+)