lpxB

K00748 lpxB; lipid-A-disaccharide synthase [EC:2.4.1.182]

Protein Function: lipid-A-disaccharide synthase [EC:2.4.1.182]

DBLinks
Proteins
protein id name function taxonomy source
Reactions
reaction id name note
KEGG:R04606 UDP-2,3-bis(3-hydroxytetradecanoyl)glucosamine:2,3-bis-(3-hydroxytetradecanoyl)-alpha-D-glucosaminyl-1-phosphate 2,3-bis(3-hydroxytetradecanoyl)-glucosaminyltransferase UDP-2,3-bis(3-hydroxytetradecanoyl)glucosamine + Lipid X <=> UDP + Lipid A disaccharide
BioCyc:LIPIDADISACCHARIDESYNTH-RXN BISOHMYR-GLUCOSAMINYL-1P + OH-MYRISTOYL --> PROTON + BISOHMYR-GLC + UDP This reaction produces lipid A disaccharide, a precursor tolipid A.
Rhea:RHEA:22669 2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosaminyl 1-phosphate + UDP-2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosamine => lipid A disaccharide (E. coli) + UDP + H+
Rhea:RHEA:22670 lipid A disaccharide (E. coli) + UDP + H+ => 2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosaminyl 1-phosphate + UDP-2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosamine
Rhea:RHEA:22671 2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosaminyl 1-phosphate + UDP-2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosamine <=> lipid A disaccharide (E. coli) + UDP + H+
Rhea:RHEA:67829 a lipid X + a UDP-2-N,3-O-bis[(3R)-3-hydroxyacyl]-α-D-glucosamine => a lipid A disaccharide + UDP + H+
Rhea:RHEA:67830 a lipid A disaccharide + UDP + H+ => a lipid X + a UDP-2-N,3-O-bis[(3R)-3-hydroxyacyl]-α-D-glucosamine
Rhea:RHEA:67831 a lipid X + a UDP-2-N,3-O-bis[(3R)-3-hydroxyacyl]-α-D-glucosamine <=> a lipid A disaccharide + UDP + H+
BioCyc:RXN2B4Q-52 CPD2B4Q-14 + CPD2B4Q-13 --> CPD2B4Q-15 + UDP + PROTON
BioCyc:RXN-22237 CPD-24231 + CPD-24233 --> CPD-24230 + UDP + PROTON