pabB
K25578 pabB; 4-amino-4-deoxychorismate synthase (2-amino-4-deoxychorismate-forming) component I [EC:2.6.1.123]
Protein Function: 4-amino-4-deoxychorismate synthase (2-amino-4-deoxychorismate-forming) component I [EC:2.6.1.123]
DBLinks
Proteins
| protein id | name | function | taxonomy source |
|---|
Reactions
| reaction id | name | note |
|---|---|---|
| KEGG:R12937 | C00251 + C00014<=>C18054 + C00001 | the second step of three-step reaction (see R12939, R00256+R12937+R12938) |
| KEGG:R12938 | C18054 + C00014<=>C11355 + C00014 | the last step of three-step reaction (see R12939, R00256+R12937+R12938) |
| KEGG:R12939 | chorismate:L-glutamine aminotransferase (2-amino-4-deoxychorismate-forming) | three-step reaction (see R00256+R12937+R12938) |
| Rhea:RHEA:69529 | chorismate + 2 L-glutamine + H2O => 4-amino-4-deoxychorismate + 2 L-glutamate + NH4+ | Multi-step reaction: RHEA:11672 + RHEA:69568 |
| Rhea:RHEA:69530 | 4-amino-4-deoxychorismate + 2 L-glutamate + NH4+ => chorismate + 2 L-glutamine + H2O | Multi-step reaction: RHEA:11672 + RHEA:69568 |
| Rhea:RHEA:69531 | chorismate + 2 L-glutamine + H2O <=> 4-amino-4-deoxychorismate + 2 L-glutamate + NH4+ | Multi-step reaction: RHEA:11672 + RHEA:69568 |
| KEGG:R00256 | L-glutamine amidohydrolase | ec 2.6.1.85 (see R01716, R00256+R05552) |
| KEGG:R01716 | chorismate:L-glutamine aminotransferase | two-step reaction (see R00256 + R05552) |
| KEGG:R05552 | C00251 + C00014<=>C11355 + C00001 | PabB |
| BioCyc:PABASYN-RXN | GLN + CHORISMATE --> 4-AMINO-4-DEOXYCHORISMATE + GLT | This reaction is the first step in the biosynthesis ofp-aminobenzoate (PABA) and is also involved in folate biosynthesis. |