KEGG   REACTION: R01716
Entry
R01716                      Reaction                               
Name
chorismate:L-glutamine aminotransferase
Definition
Chorismate + L-Glutamine <=> 4-Amino-4-deoxychorismate + L-Glutamate
Equation
C00251 + C00064 <=> C11355 + C00025
Comment
two-step reaction (see R00256 + R05552)
Reaction class
RC00010  C00025_C00064
RC01418  C00251_C11355
Enzyme
2.6.1.85
Pathway
rn00790  Folate biosynthesis
rn01240  Biosynthesis of cofactors
Brite
Enzymatic reactions [BR:br08201]
 2. Transferase reactions
  2.6  Transferring nitrogenous groups
   2.6.1  Transaminases
    2.6.1.85
     R01716  Chorismate + L-Glutamine <=> 4-Amino-4-deoxychorismate + L-Glutamate
Orthology
K01664  para-aminobenzoate synthetase component II [EC:2.6.1.85]
K01665  para-aminobenzoate synthetase component I [EC:2.6.1.85]
K03342  para-aminobenzoate synthetase / 4-amino-4-deoxychorismate lyase [EC:2.6.1.85 4.1.3.38]
K13950  para-aminobenzoate synthetase [EC:2.6.1.85]
Reference
1  [PMID:11975992]
  Authors
Tewari YB, Jensen PY, Kishore N, Mayhew MP, Parsons JF, Eisenstein E, Goldberg RN.
  Title
Thermodynamics of reactions catalyzed by PABA synthase.
  Journal
Biophys Chem 96:33-51 (2002)
DOI:10.1016/S0301-4622(02)00034-0
Other DBs
RHEA: 11675
LinkDB

KEGG   REACTION: R00256
Entry
R00256                      Reaction                               
Name
L-glutamine amidohydrolase
Definition
L-Glutamine + H2O <=> L-Glutamate + Ammonia
Equation
C00064 + C00001 <=> C00025 + C00014
Comment
ec 2.6.1.85 (see R01716, R00256+R05552)
ec 6.3.4.2 (see R00573, R00256+R00571)
ec 6.3.5.4 (see R00578, R00256+R00483)
ec 6.3.5.5 (see R00575, R00256+R10948+R10949+R01395)
ec 2.6.1.123 (see R12939, R00256+R12937+R12938)
Reaction class
RC00010  C00025_C00064
RC02798  C00014_C00064
Enzyme
1.4.1.13        1.4.1.14        1.4.7.1         2.6.1.85        
2.6.1.123       3.5.1.2         3.5.1.38        4.3.2.10        
4.3.3.6         6.3.4.2         6.3.5.2         6.3.5.4         
6.3.5.5         6.3.5.13
Pathway
rn00220  Arginine biosynthesis
rn00250  Alanine, aspartate and glutamate metabolism
rn01100  Metabolic pathways
Brite
Enzymatic reactions [BR:br08201]
 1. Oxidoreductase reactions
  1.4  Acting on the CH-NH2 group of donors
   1.4.1  With NAD+ or NADP+ as acceptor
    1.4.1.13
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
    1.4.1.14
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
   1.4.7  With an iron-sulfur protein as acceptor
    1.4.7.1
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
 2. Transferase reactions
  2.6  Transferring nitrogenous groups
   2.6.1  Transaminases
    2.6.1.85
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
    2.6.1.123
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
 3. Hydrolase reactions
  3.5  Acting on carbon-nitrogen bonds, other than peptide bonds
   3.5.1  In linear amides
    3.5.1.2
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
    3.5.1.38
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
 4. Lyase reactions
  4.3  Carbon-nitrogen lyases
   4.3.2  Amidine-lyases
    4.3.2.10
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
   4.3.3  Amine-lyases
    4.3.3.6
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
 6. Ligase reactions
  6.3  Forming carbon-nitrogen bonds
   6.3.4  Other carbon-nitrogen ligases
    6.3.4.2
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
   6.3.5  Carbon-nitrogen ligases with glutamine as amido-N-donor
    6.3.5.2
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
    6.3.5.4
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
    6.3.5.5
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
    6.3.5.13
     R00256  L-Glutamine + H2O <=> L-Glutamate + Ammonia
Orthology
K01425  glutaminase [EC:3.5.1.2]
K01954  carbamoyl-phosphate synthase [EC:6.3.5.5]
K01955  carbamoyl-phosphate synthase large subunit [EC:6.3.5.5]
K01956  carbamoyl-phosphate synthase small subunit [EC:6.3.5.5]
K05597  glutamin-(asparagin-)ase [EC:3.5.1.38]
K11540  carbamoyl-phosphate synthase / aspartate carbamoyltransferase / dihydroorotase [EC:6.3.5.5 2.1.3.2 3.5.2.3]
K11541  carbamoyl-phosphate synthase / aspartate carbamoyltransferase [EC:6.3.5.5 2.1.3.2]
K23265  phosphoribosylformylglycinamidine synthase subunit PurQ / glutaminase [EC:6.3.5.3 3.5.1.2]
Other DBs
RHEA: 15892
LinkDB

KEGG   REACTION: R05552
Entry
R05552                      Reaction                               
Definition
Chorismate + Ammonia <=> 4-Amino-4-deoxychorismate + H2O
Equation
C00251 + C00014 <=> C11355 + C00001
Comment
PabB
a part of two-step reaction (see R01716, R00256+R05552)
Reaction class
RC01418  C00251_C11355
Enzyme
2.6.1.85
Brite
Enzymatic reactions [BR:br08201]
 2. Transferase reactions
  2.6  Transferring nitrogenous groups
   2.6.1  Transaminases
    2.6.1.85
     R05552  Chorismate + Ammonia <=> 4-Amino-4-deoxychorismate + H2O
LinkDB

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