EC Number | Activating Compound | Comment | Organism | Structure |
---|---|---|---|---|
2.3.1.41 | dithiothreitol | required | Escherichia coli | |
2.3.1.41 | dithiothreitol | activation | Escherichia coli | |
2.3.1.41 | EDTA | activation | Escherichia coli |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.3.1.41 | additional information | - |
additional information | kinetic data of synthase I and II at different temperatures with various substrates | Escherichia coli | |
2.3.1.179 | 0.024 | - |
dodec-5-enoyl-[acyl-carrier protein] | 37°C | Escherichia coli | |
2.3.1.179 | 0.024 | - |
dodec-5-enoyl-[acyl-carrier protein] | 27°C | Escherichia coli | |
2.3.1.179 | 0.043 | - |
tetradec-7-enoyl-[acyl-carrier protein] | 27°C | Escherichia coli | |
2.3.1.179 | 0.047 | - |
tetradecanoyl-[acyl-carrier protein] | 27°C | Escherichia coli | |
2.3.1.179 | 0.06 | - |
tetradec-7-enoyl-[acyl-carrier protein] | 37°C | Escherichia coli | |
2.3.1.179 | 0.068 | - |
tetradecanoyl-[acyl-carrier protein] | 37°C | Escherichia coli | |
2.3.1.179 | 0.097 | - |
palmitoleoyl-[acyl-carrier protein] | 27°C | Escherichia coli | |
2.3.1.179 | 0.216 | - |
palmitoleoyl-[acyl-carrier protein] | 37°C | Escherichia coli |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
2.3.1.41 | additional information | - |
amino acid composition, synthase I and II | Escherichia coli |
2.3.1.41 | 80000 | - |
synthase I, sedimentation equilibrium method | Escherichia coli |
2.3.1.41 | 85000 | - |
synthase II, sedimentation equilibrium method | Escherichia coli |
2.3.1.179 | 85000 | - |
equilibrium sedimentation | Escherichia coli |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.3.1.179 | additional information | Escherichia coli | proposed role of the enzyme in the modulation of fatty acid synthesis by temperature | ? | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.3.1.41 | Escherichia coli | - |
synthases I and II | - |
2.3.1.41 | Escherichia coli | - |
K12 strains UC1, WN1 is a fabF-mutant lacking synthase II, and various mutants, overview | - |
2.3.1.179 | Escherichia coli | P0AAI5 | - |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
2.3.1.41 | synthases I and II | Escherichia coli |
2.3.1.179 | - |
Escherichia coli |
EC Number | Reaction | Comment | Organism | Reaction ID |
---|---|---|---|---|
2.3.1.41 | an acyl-[acyl-carrier protein] + a malonyl-[acyl-carrier protein] = a 3-oxoacyl-[acyl-carrier protein] + CO2 + an [acyl-carrier protein] | structure | Escherichia coli |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
2.3.1.41 | 5.5 | - |
synthase I | Escherichia coli |
2.3.1.41 | 6.3 | - |
synthase II | Escherichia coli |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.3.1.41 | cis-9-hexadecenoyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | poor substrate, synthase I | Escherichia coli | 3-oxo-cis-11-octadecanoyl-[acyl-carrier protein] + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.41 | cis-9-hexadecenoyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | best substrate, synthase II | Escherichia coli | 3-oxo-cis-11-octadecanoyl-[acyl-carrier protein] + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.41 | cis-mono-unsaturated acyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | not cis-vaccenoyl-[acyl-carrier-protein], i.e. cis-11-octenoyl-[acyl-carrier-protein] | Escherichia coli | cis-mono-unsaturated 3-oxoacyl-[acyl-carrier protein] + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.41 | cis-mono-unsaturated acyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | from C-10 to C-16, e.g. cis-5-decenoyl-[acyl-carrier-protein], cis-5-dodecenoyl-[acyl-carrier-protein], cis-7-tetradecenoyl-[acyl-carrier-protein], cis-9-hexenoyl-[acyl-carrier-protein], i.e. palmitoleoyl-[acyl-carrier-protein], poor substrates | Escherichia coli | cis-mono-unsaturated 3-oxoacyl-[acyl-carrier protein] + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.41 | dodecanoyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | - |
Escherichia coli | 3-oxotetradecanoyl-[acyl-carrier protein] + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.41 | hexadecanoyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | i.e. palmitoyl-[acyl-carrier-protein] | Escherichia coli | 3-oxooctadecanoyl-[acyl-carrier protein] + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.41 | saturated acyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | substrate specificity, overview | Escherichia coli | 3-oxoacyl-[acyl-carrier protein] + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.41 | tetradecanoyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | - |
Escherichia coli | 3-oxohexadecanoyl-[acyl-carrier protein] + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.179 | dodec-5-enoyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | - |
Escherichia coli | ? + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.179 | additional information | proposed role of the enzyme in the modulation of fatty acid synthesis by temperature | Escherichia coli | ? | - |
? | |
2.3.1.179 | palmitoleoyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | - |
Escherichia coli | cis-vaccenoyl-[acyl-carrier protein] + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.179 | tetradec-7-enoyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | - |
Escherichia coli | ? + CO2 + [acyl-carrier protein] | - |
? | |
2.3.1.179 | tetradecanoyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] | - |
Escherichia coli | ? + CO2 + [acyl-carrier protein] | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
2.3.1.41 | dimer | 2 * 43000-44000, synthase I, SDS-PAGE | Escherichia coli |
2.3.1.41 | dimer | 2 * 44000-45000, synthase II, SDS-PAGE | Escherichia coli |
2.3.1.179 | dimer | 2 * 44000-45000, SDS-PAGE | Escherichia coli |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
2.3.1.179 | beta-ketoacyl-acyl carrier protein synthases II | - |
Escherichia coli |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
2.3.1.41 | 27 | - |
assay at | Escherichia coli |
2.3.1.41 | 37 | - |
assay at | Escherichia coli |