Activating Compound | Comment | Organism | Structure |
---|---|---|---|
Triton X-100 | stimulates activity | Escherichia coli |
Cloned (Comment) | Organism |
---|---|
- |
Escherichia coli |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
additional information | no inhibition by EDTA | Escherichia coli | |
polymixin B | - |
Escherichia coli | |
Re endotoxin | - |
Escherichia coli |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
additional information | the enzyme does not require Mg2+ | Escherichia coli |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
43000 | - |
x * 43000, SDS-PAGE | Escherichia coli |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose + CMP-3-deoxy-D-manno-octulosonate | Escherichia coli | the bifunctional enzyme transfers two 3-deoxy-D-manno-octulosonate residues to lipid A precursors or analogs bearing four to six fatty acyl chains and a 4-monophosphate moiety. Key enzyme in lipopolysaccharide biosynthesis. (KDO)-lipid IV(A) = 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose. (KDO)2-lipid IV(A) = 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->4)-3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-O-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->4)-3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose + CMP | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Escherichia coli |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
CMP-beta-Kdo + an alpha-Kdo-(2->6)-[lipid IVA] = CMP + an alpha-Kdo-(2->4)-alpha-Kdo-(2->6)-[lipid IVA] | (KDO)-lipid IV(A) = 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose. (KDO)2-lipid IV(A) = 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->4)-3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | Escherichia coli |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
20.39 | - |
- |
Escherichia coli |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose + CMP-3-deoxy-D-manno-octulosonate | the bifunctional enzyme transfers two 3-deoxy-D-manno-octulosonate residues to lipid A precursors or analogs bearing four to six fatty acyl chains and a 4-monophosphate moiety. Key enzyme in lipopolysaccharide biosynthesis. (KDO)-lipid IV(A) = 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose. (KDO)2-lipid IV(A) = 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->4)-3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-O-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | Escherichia coli | 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->4)-3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose + CMP | - |
? | |
3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose + CMP-3-deoxy-D-manno-octulosonate | the bifunctional enzyme transfers two 3-deoxy-D-manno-octulosonate residues to lipid A precursors or analogs bearing four to six fatty acyl chains and a 4-monophosphate moiety. Formation of (KDO)-lipid IV(A) is observed when purified enzyme is incubated with (KDO)2-lipid IV(A) and 5 mM CMP, demonstrating that Kdo transfer is reversible. (KDO)-lipid IV(A) = 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose. (KDO)2-lipid IV(A) = 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->4)-3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose | Escherichia coli | 3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->4)-3-deoxy-alpha-D-manno-oct-2-ulopyranosyl-(2->6)-2-deoxy-2-[[(3R)-3-hydroxypentadecanoyl]amino]-3-O-[(3R)-3-hydroxytetradecanoyl]-4-O-phosphono-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose + CMP | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 43000, SDS-PAGE | Escherichia coli |
Synonyms | Comment | Organism |
---|---|---|
3-deoxy-D-manno-octulosonic acid transferase | - |
Escherichia coli |
Kdo transferase | - |
Escherichia coli |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
unstable | Escherichia coli |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | - |
- |
Escherichia coli |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6 | 8.5 | pH 6.0: about 45% of maximal activity, pH 8.5: about 45% of maximal activity | Escherichia coli |