| Role | Gene | Name | |
| 3-deoxy-D-manno-octulosonic-acid transferase (EC 2.-.-.-) | No genes | | |
| ADP-L-glycero-D-manno-heptose-6-epimerase (EC 5.1.3.20) | OHPLBJKB_00081 | | |
| ADP-heptose synthase (EC 2.7.-.-) | OHPLBJKB_00652 | | |
| ADP-heptose--lipooligosaccharide heptosyltransferase II (EC 2.4.1.-) | OHPLBJKB_00080 | | |
| Beta-1,3-glucosyltransferase | OHPLBJKB_00077 | | |
| Beta-1,4-galactosyltransferase | OHPLBJKB_00084 | | |
| D-glycero-D-manno-heptose 1,7-bisphosphate phosphatase (EC 3.1.1.-) | OHPLBJKB_03461 | | |
| D-glycero-beta-D-manno-heptose 7-phosphate kinase | OHPLBJKB_00652 | | |
| Heptosyltransferase family protein, lipopolysaccharide core biosynthesis | No genes | | |
| Lipopolysaccharide 1,2-N-acetylglucosaminetransferase (EC 2.4.1.56) | No genes | | |
| Lipopolysaccharide 1,6-galactosyltransferase (EC 2.4.1.-) | No genes | | |
| Lipopolysaccharide core biosynthesis glycosyltransferase, group 2 family protein (EC 2.4.1.-) | No genes | | |
| Lipopolysaccharide core biosynthesis protein RfaS | No genes | | |
| Lipopolysaccharide core biosynthesis protein RfaY | OHPLBJKB_00075 | | |
| Lipopolysaccharide core biosynthesis protein RfaZ | No genes | | |
| Lipopolysaccharide core biosynthesis protein WaaP (EC 2.7.-.-), heptosyl-I-kinase | OHPLBJKB_00072 | | |
| Lipopolysaccharide heptosyltransferase I (EC 2.4.1.-) | OHPLBJKB_00079 | | |
| Lipopolysaccharide heptosyltransferase III (EC 2.4.1.-) | OHPLBJKB_00070 | | |
| O-antigen ligase | OHPLBJKB_00078 | | |
| Phosphoheptose isomerase (EC 5.3.1.-) | OHPLBJKB_00551 | | |
| Phosphoheptose isomerase 1 (EC 5.3.1.-) | OHPLBJKB_03417 | | |
| Phosphoheptose isomerase 2 (EC 5.3.1.-) | No genes | | |
| Putative two-domain glycosyltransferase | No genes | | |
| UDP-galactopyranose mutase (EC 5.4.99.9) | No genes | | |
| UDP-galactose:(galactosyl) LPS alpha1,2-galactosyltransferase WaaW (EC 2.4.1.-) | OHPLBJKB_00076 | | |
| UDP-glucose:(glucosyl)lipopolysaccharide alpha-1,2-glucosyltransferase (EC 2.4.1.58) | OHPLBJKB_00074 | | |
| UDP-glucose:(glucosyl)lipopolysaccharide alpha-1,3-glucosyltransferase WaaO (EC 2.4.1.-) | OHPLBJKB_00073 | | |
| UDP-glucose:(heptosyl) LPS alpha1,3-glucosyltransferase WaaG (EC 2.4.1.-) | OHPLBJKB_00071 | | |