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(-) Description

Title :  STRUCTURE OF CATECHOL 2,3-DIOXYGENASE (METAPYROCATECHASE) FROM PSEUDOMONAS PUTIDA MT-2
 
Authors :  A. Kita, S. Kita, I. Fujisawa, K. Inaka, T. Ishida, K. Horiike, M. Nozaki, K. Miki
Date :  20 Oct 98  (Deposition) - 18 May 99  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Catechol 2, 3-Dioxygenase, Extradiol Dioxygenase, Non Heme Iron Dioxygenase, Metapyrocatechase, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Kita, S. Kita, I. Fujisawa, K. Inaka, T. Ishida, K. Horiike, M. Nozaki, K. Miki
An Archetypical Extradiol-Cleaving Catecholic Dioxygenase: The Crystal Structure Of Catechol 2, 3-Dioxygenase (Metapyrocatechase) From Ppseudomonas Putida Mt-2.
Structure Fold. Des. V. 7 25 1999
PubMed-ID: 10368270  |  Reference-DOI: 10.1016/S0969-2126(99)80006-9
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CATECHOL 2,3-DIOXYGENASE
    Atcc: ATCC 23973
    Chains: A, B, C, D
    Collection: ATCC 23973
    EC Number: 1.13.11.2
    Engineered: YES
    Expression System: ESCHERICHIA COLI STR. K12 SUBSTR. W3110
    Expression System Gene: XYLE
    Expression System Plasmid: PHT3
    Expression System Strain: W3110
    Expression System Taxid: 316407
    Gene: XYLE
    Organism Scientific: PSEUDOMONAS PUTIDA
    Organism Taxid: 303
    Other Details: FE(II) FORM
    Strain: MT-2
    Synonym: METAPYROCATECHASE, MPC

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit : ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 8)

Asymmetric/Biological Unit (2, 8)
No.NameCountTypeFull Name
1ACN4Ligand/IonACETONE
2FE24Ligand/IonFE (II) ION

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:153 , HIS A:214 , SER A:216 , GLU A:265 , ACN A:309BINDING SITE FOR RESIDUE FE2 A 308
2AC2SOFTWAREHIS B:153 , HIS B:214 , SER B:216 , TYR B:255 , GLU B:265 , ACN B:309BINDING SITE FOR RESIDUE FE2 B 308
3AC3SOFTWAREHIS C:153 , HIS C:214 , SER C:216 , GLU C:265 , ACN C:309BINDING SITE FOR RESIDUE FE2 C 308
4AC4SOFTWAREHIS D:153 , HIS D:214 , SER D:216 , GLU D:265 , ACN D:309BINDING SITE FOR RESIDUE FE2 D 308
5AC5SOFTWAREPHE A:191 , HIS A:246 , LEU A:248 , THR A:249 , TYR A:255 , FE2 A:308BINDING SITE FOR RESIDUE ACN A 309
6AC6SOFTWAREHIS B:246 , LEU B:248 , THR B:249 , TYR B:255 , FE2 B:308BINDING SITE FOR RESIDUE ACN B 309
7AC7SOFTWAREHIS C:246 , LEU C:248 , TYR C:255 , FE2 C:308BINDING SITE FOR RESIDUE ACN C 309
8AC8SOFTWARELEU D:155 , HIS D:246 , TYR D:255 , ILE D:291 , FE2 D:308BINDING SITE FOR RESIDUE ACN D 309

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1MPY)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1MPY)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1MPY)

(-) PROSITE Motifs  (2, 12)

Asymmetric/Biological Unit (2, 12)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1VOCPS51819 Vicinal oxygen chelate (VOC) domain profile.XYLE1_PSEPU7-122
 
 
 
150-269
 
 
 		  8A:7-122
B:7-122
C:7-122
D:7-122
A:150-269
B:150-269
C:150-269
D:150-269
2EXTRADIOL_DIOXYGENASPS00082 Extradiol ring-cleavage dioxygenases signature.XYLE1_PSEPU244-265
 
 
 		  4A:244-265
B:244-265
C:244-265
D:244-265

(-) Exons   (0, 0)

(no "Exon" information available for 1MPY)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:307
 aligned with XYLE1_PSEPU | P06622 from UniProtKB/Swiss-Prot  Length:307

    Alignment length:307
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       
          XYLE1_PSEPU     1 MNKGVMRPGHVQLRVLDMSKALEHYVELLGLIEMDRDDQGRVYLKAWTEVDKFSLVLREADEPGMDFMGFKVVDEDALRQLERDLMAYGCAVEQLPAGELNSCGRRVRFQAPSGHHFELYADKEYTGKWGLNDVNPEAWPRDLKGMAAVRFDHALMYGDELPATYDLFTKVLGFYLAEQVLDENGTRVAQFLSLSTKAHDVAFIHHPEKGRLHHVSFHLETWEDLLRAADLISMTDTSIDIGPTRHGLTHGKTIYFFDPSGNRNEVFCGGDYNYPDHKPVTWTTDQLGKAIFYHDRILNERFMTVLT 307
               SCOP domains d1mpya1 A:1-145 Catechol 2,3-dioxygenase (metapyrocatechase)                                                                                     d1mpya2 A:146-307 Catechol 2,3-dioxygenase (metapyrocatechase)                                                                                                     SCOP domains
               CATH domains 1mpyA01 A:1-149 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1                                                                                      1mpyA02 A:150-307 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeee.eeeeee..hhhhhhhhhh....eeeee.....eeee.........eeeee....eeeeeeeee..hhhhhhhhhhhhhh....eee..........eeeee.....eeeee.................................eeeee..hhhhhhhhhh....eeeeeee.......eeeee.......eeeee.....eeeeeeee...hhhhhhhhhhhhhh................eeeeee.....eeeeee...........eeeehhhhhhhh........hhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------VOC  PDB: A:7-122 UniProt: 7-122                                                                                    ---------------------------VOC  PDB: A:150-269 UniProt: 150-269                                                                                    -------------------------------------- PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------EXTRADIOL_DIOXYGENAS  ------------------------------------------ PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1mpy A   1 MNKGVMRPGHVQLRVLDMSKALEHYVELLGLIEMDRDDQGRVYLKAWTEVDKFSLVLREADEPGMDFMGFKVVDEDALRQLERDLMAYGCAVEQLPAGELNSCGRRVRFQAPSGHHFELYADKEYTGKWGLNDVNPEAWPRDLKGMAAVRFDHALMYGDELPATYDLFTKVLGFYLAEQVLDENGTRVAQFLSLSTKAHDVAFIHHPEKGRLHHVSFHLETWEDLLRAADLISMTDTSIDIGPTRHGLTHGKTIYFFDPSGNRNEVFCGGDYNYPDHKPVTWTTDQLGKAIFYHDRILNERFMTVLT 307
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       


Chain B from PDB  Type:PROTEIN  Length:307
 aligned with XYLE1_PSEPU | P06622 from UniProtKB/Swiss-Prot  Length:307

    Alignment length:307
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       
          XYLE1_PSEPU     1 MNKGVMRPGHVQLRVLDMSKALEHYVELLGLIEMDRDDQGRVYLKAWTEVDKFSLVLREADEPGMDFMGFKVVDEDALRQLERDLMAYGCAVEQLPAGELNSCGRRVRFQAPSGHHFELYADKEYTGKWGLNDVNPEAWPRDLKGMAAVRFDHALMYGDELPATYDLFTKVLGFYLAEQVLDENGTRVAQFLSLSTKAHDVAFIHHPEKGRLHHVSFHLETWEDLLRAADLISMTDTSIDIGPTRHGLTHGKTIYFFDPSGNRNEVFCGGDYNYPDHKPVTWTTDQLGKAIFYHDRILNERFMTVLT 307
               SCOP domains d1mpyb1 B:1-145 Catechol 2,3-dioxygenase (metapyrocatechase)                                                                                     d1mpyb2 B:146-307 Catechol 2,3-dioxygenase (metapyrocatechase)                                                                                                     SCOP domains
               CATH domains 1mpyB01 B:1-149 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1                                                                                      1mpyB02 B:150-307 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeee.eeeeee..hhhhhhhhhh....eeeee.....eeee.........eeeee....eeeeeeeee..hhhhhhhhhhhhhh....eee..........eeeee.....eeeee.............................eeeeeeeee..hhhhhhhhhh....eeeeeee.......eeeee.......eeeee........eeeee...hhhhhhhhhhhhhh..eeee..........eeeeee.....eeeeee...........eeeehhhhhhhh........hhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------VOC  PDB: B:7-122 UniProt: 7-122                                                                                    ---------------------------VOC  PDB: B:150-269 UniProt: 150-269                                                                                    -------------------------------------- PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------EXTRADIOL_DIOXYGENAS  ------------------------------------------ PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1mpy B   1 MNKGVMRPGHVQLRVLDMSKALEHYVELLGLIEMDRDDQGRVYLKAWTEVDKFSLVLREADEPGMDFMGFKVVDEDALRQLERDLMAYGCAVEQLPAGELNSCGRRVRFQAPSGHHFELYADKEYTGKWGLNDVNPEAWPRDLKGMAAVRFDHALMYGDELPATYDLFTKVLGFYLAEQVLDENGTRVAQFLSLSTKAHDVAFIHHPEKGRLHHVSFHLETWEDLLRAADLISMTDTSIDIGPTRHGLTHGKTIYFFDPSGNRNEVFCGGDYNYPDHKPVTWTTDQLGKAIFYHDRILNERFMTVLT 307
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       


Chain C from PDB  Type:PROTEIN  Length:307
 aligned with XYLE1_PSEPU | P06622 from UniProtKB/Swiss-Prot  Length:307

    Alignment length:307
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       
          XYLE1_PSEPU     1 MNKGVMRPGHVQLRVLDMSKALEHYVELLGLIEMDRDDQGRVYLKAWTEVDKFSLVLREADEPGMDFMGFKVVDEDALRQLERDLMAYGCAVEQLPAGELNSCGRRVRFQAPSGHHFELYADKEYTGKWGLNDVNPEAWPRDLKGMAAVRFDHALMYGDELPATYDLFTKVLGFYLAEQVLDENGTRVAQFLSLSTKAHDVAFIHHPEKGRLHHVSFHLETWEDLLRAADLISMTDTSIDIGPTRHGLTHGKTIYFFDPSGNRNEVFCGGDYNYPDHKPVTWTTDQLGKAIFYHDRILNERFMTVLT 307
               SCOP domains d1mpyc1 C:1-145 Catechol 2,3-dioxygenase (metapyrocatechase)                                                                                     d1mpyc2 C:146-307 Catechol 2,3-dioxygenase (metapyrocatechase)                                                                                                     SCOP domains
               CATH domains 1mpyC01 C:1-149 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1                                                                                      1mpyC02 C:150-307 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1                                                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeee.eeeeee..hhhhhhhhhh....eeeee....eeeee.........eeeee....eeeeeeeee..hhhhhhhhhhhhh.....eee..........eeeee.....eeeee.............................eeeeeeeee..hhhhhhhhhh....eeeeeee.......eeeee.......eeeee........eeeee...hhhhhhhhhhhhhh................eeeeee.....eeeeee...........eeeehhhhhhhh........hhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------VOC  PDB: C:7-122 UniProt: 7-122                                                                                    ---------------------------VOC  PDB: C:150-269 UniProt: 150-269                                                                                    -------------------------------------- PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------EXTRADIOL_DIOXYGENAS  ------------------------------------------ PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1mpy C   1 MNKGVMRPGHVQLRVLDMSKALEHYVELLGLIEMDRDDQGRVYLKAWTEVDKFSLVLREADEPGMDFMGFKVVDEDALRQLERDLMAYGCAVEQLPAGELNSCGRRVRFQAPSGHHFELYADKEYTGKWGLNDVNPEAWPRDLKGMAAVRFDHALMYGDELPATYDLFTKVLGFYLAEQVLDENGTRVAQFLSLSTKAHDVAFIHHPEKGRLHHVSFHLETWEDLLRAADLISMTDTSIDIGPTRHGLTHGKTIYFFDPSGNRNEVFCGGDYNYPDHKPVTWTTDQLGKAIFYHDRILNERFMTVLT 307
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       


Chain D from PDB  Type:PROTEIN  Length:307
 aligned with XYLE1_PSEPU | P06622 from UniProtKB/Swiss-Prot  Length:307

    Alignment length:307
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       
          XYLE1_PSEPU     1 MNKGVMRPGHVQLRVLDMSKALEHYVELLGLIEMDRDDQGRVYLKAWTEVDKFSLVLREADEPGMDFMGFKVVDEDALRQLERDLMAYGCAVEQLPAGELNSCGRRVRFQAPSGHHFELYADKEYTGKWGLNDVNPEAWPRDLKGMAAVRFDHALMYGDELPATYDLFTKVLGFYLAEQVLDENGTRVAQFLSLSTKAHDVAFIHHPEKGRLHHVSFHLETWEDLLRAADLISMTDTSIDIGPTRHGLTHGKTIYFFDPSGNRNEVFCGGDYNYPDHKPVTWTTDQLGKAIFYHDRILNERFMTVLT 307
               SCOP domains d1mpyd1 D:1-145 Catechol 2,3-dioxygenase (metapyrocatechase)                                                                                     d1mpyd2 D:146-307 Catechol 2,3-dioxygenase (metapyrocatechase)                                                                                                     SCOP domains
               CATH domains 1mpyD01 D:1-149 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1                                                                                      1mpyD02 D:150-307 2,3-Dihydroxybiphenyl 1,2-Dioxygenase, domain 1                                                                                              CATH domains
           Pfam domains (1) -----------------------------------------------------------------------------------------------------------------------------------------------------Glyoxalase-1mpyD01 D:150-266                                                                                         ----------------------------------------- Pfam domains (1)
           Pfam domains (2) -----------------------------------------------------------------------------------------------------------------------------------------------------Glyoxalase-1mpyD02 D:150-266                                                                                         ----------------------------------------- Pfam domains (2)
           Pfam domains (3) -----------------------------------------------------------------------------------------------------------------------------------------------------Glyoxalase-1mpyD03 D:150-266                                                                                         ----------------------------------------- Pfam domains (3)
           Pfam domains (4) -----------------------------------------------------------------------------------------------------------------------------------------------------Glyoxalase-1mpyD04 D:150-266                                                                                         ----------------------------------------- Pfam domains (4)
           Pfam domains (5) -----------------------------------------------------------------------------------------------------------------------------------------------------Glyoxalase-1mpyD05 D:150-266                                                                                         ----------------------------------------- Pfam domains (5)
           Pfam domains (6) -----------------------------------------------------------------------------------------------------------------------------------------------------Glyoxalase-1mpyD06 D:150-266                                                                                         ----------------------------------------- Pfam domains (6)
           Pfam domains (7) -----------------------------------------------------------------------------------------------------------------------------------------------------Glyoxalase-1mpyD07 D:150-266                                                                                         ----------------------------------------- Pfam domains (7)
           Pfam domains (8) -----------------------------------------------------------------------------------------------------------------------------------------------------Glyoxalase-1mpyD08 D:150-266                                                                                         ----------------------------------------- Pfam domains (8)
         Sec.struct. author ....eeee.eeeeee..hhhhhhhhhh....eeeee.....eeee.........eeeee....eeeeeeeee..hhhhhhhhhhhhhh...eeee..........eeeee.....eeeee.............................eeeeeeeee..hhhhhhhhhh....eeeeeee.......eeeee.......eeeee........eeeee...hhhhhhhhhhhhh.............hhh.eeeeee.....eeeeee...........eeeehhhhhhhh........hhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------VOC  PDB: D:7-122 UniProt: 7-122                                                                                    ---------------------------VOC  PDB: D:150-269 UniProt: 150-269                                                                                    -------------------------------------- PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------EXTRADIOL_DIOXYGENAS  ------------------------------------------ PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1mpy D   1 MNKGVMRPGHVQLRVLDMSKALEHYVELLGLIEMDRDDQGRVYLKAWTEVDKFSLVLREADEPGMDFMGFKVVDEDALRQLERDLMAYGCAVEQLPAGELNSCGRRVRFQAPSGHHFELYADKEYTGKWGLNDVNPEAWPRDLKGMAAVRFDHALMYGDELPATYDLFTKVLGFYLAEQVLDENGTRVAQFLSLSTKAHDVAFIHHPEKGRLHHVSFHLETWEDLLRAADLISMTDTSIDIGPTRHGLTHGKTIYFFDPSGNRNEVFCGGDYNYPDHKPVTWTTDQLGKAIFYHDRILNERFMTVLT 307
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 8)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 8)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (1, 8)

Asymmetric/Biological Unit
(-)
Clan: Glyoxalase (58)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B,C,D   (XYLE1_PSEPU | P06622)
molecular function
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0018577    catechol 2,3-dioxygenase activity    Catalysis of the reaction: catechol + O2 = 2-hydroxymuconate semialdehyde.
    GO:0051213    dioxygenase activity    Catalysis of an oxidation-reduction (redox) reaction in which both atoms of oxygen from one molecule of O2 are incorporated into the (reduced) product(s) of the reaction. The two atoms of oxygen may be distributed between two different products.
    GO:0008198    ferrous iron binding    Interacting selectively and non-covalently with ferrous iron, Fe(II).
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
biological process
    GO:0019439    aromatic compound catabolic process    The chemical reactions and pathways resulting in the breakdown of aromatic compounds, any substance containing an aromatic carbon ring.
    GO:0006725    cellular aromatic compound metabolic process    The chemical reactions and pathways involving aromatic compounds, any organic compound characterized by one or more planar rings, each of which contains conjugated double bonds and delocalized pi electrons, as carried out by individual cells.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0042203    toluene catabolic process    The chemical reactions and pathways resulting in the breakdown of toluene, a volatile monoaromatic hydrocarbon found in crude petroleum and petroleum products.

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  XYLE1_PSEPU | P06622
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