EC Number | Cloned (Comment) | Organism |
---|---|---|
2.1.2.9 | - |
Escherichia coli |
EC Number | Crystallization (Comment) | Organism |
---|---|---|
2.1.2.9 | crystal structure of enzyme complexed with formylmethionyl-tRNAfMet | Escherichia coli |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | Escherichia coli | involved in initiation of protein biosynthesis | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | Escherichia coli | formyl group provides a positive determinant for IF2, which can select the initiator fMet-tRNA from other tRNAs and a negative determinant, which blocks the binding of EF-Tu to the initiator tRNA | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.1.2.9 | Escherichia coli | P23882 | - |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
2.1.2.9 | - |
Escherichia coli |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | determinants for formylation are located in the acceptor stem and D-stem of the initiator tRNA, enzyme binds to the tRNA substrate in an induced fit mechanism, tRNA also undergoes induced structural changes during its binding to enzyme | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | C-terminal region is very important for enzyme activity: basic amino acids contribute mostly toward the nonspecific binding and orientation of the tRNA 3'-end toward the catalytic site | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | specificity is restricted to methionyl-tRNAfMet | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | tRNA substrate binding | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | important role of a 16-amino acid insertion loop in enzyme for tRNA recognition | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | involved in initiation of protein biosynthesis | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | formyl group provides a positive determinant for IF2, which can select the initiator fMet-tRNA from other tRNAs and a negative determinant, which blocks the binding of EF-Tu to the initiator tRNA | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | additional information | no formylation of methionyl-tRNAmMet | Escherichia coli | ? | - |
? | |
2.1.2.9 | additional information | enzyme structure | Escherichia coli | ? | - |
? |