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(-) Description

Title :  QUERCETIN 2,3-DIOXYGENASE IN COMPLEX WITH THE INHIBITOR DIETHYLDITHIOCARBAMATE
 
Authors :  R. A. Steiner, B. W. Dijkstra
Date :  23 Nov 01  (Deposition) - 21 Jun 02  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,C  (1x)
Biol. Unit 2:  B,D  (1x)
Keywords :  Oxidoreductase, Dioxygenase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. A. Steiner, I. M. Kooter, B. W. Dijkstra
Functional Analysis Of The Copper-Dependent Quercetin 2, 3-Dioxygenase. 1. Ligand-Induced Coordination Changes Probed By X-Ray Crystallography: Inhibition, Ordering Effect And Mechanistic Insights
Biochemistry V. 41 7955 2002
PubMed-ID: 12069585  |  Reference-DOI: 10.1021/BI0159736

(-) Compounds

Molecule 1 - QUERCETIN 2,3-DIOXYGENASE
    Chains: A, B, C, D
    EC Number: 1.13.11.24
    Engineered: YES
    Expression System: ASPERGILLUS AWAMORI
    Expression System Taxid: 105351
    Organism Scientific: ASPERGILLUS JAPONICUS
    Organism Taxid: 34381

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): A C 
Biological Unit 2 (1x):  B D

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 29)

Asymmetric Unit (4, 29)
No.NameCountTypeFull Name
1BMA2Ligand/IonBETA-D-MANNOSE
2CU4Ligand/IonCOPPER (II) ION
3DCD4Ligand/IonDIETHYLCARBAMODITHIOIC ACID
4NAG19Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 1 (3, 14)
No.NameCountTypeFull Name
1BMA2Ligand/IonBETA-D-MANNOSE
2CU-1Ligand/IonCOPPER (II) ION
3DCD2Ligand/IonDIETHYLCARBAMODITHIOIC ACID
4NAG10Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 2 (2, 11)
No.NameCountTypeFull Name
1BMA-1Ligand/IonBETA-D-MANNOSE
2CU-1Ligand/IonCOPPER (II) ION
3DCD2Ligand/IonDIETHYLCARBAMODITHIOIC ACID
4NAG9Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (20, 20)

Asymmetric Unit (20, 20)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREARG A:108 , ASN A:109 , HOH A:2107 , HOH A:2402BINDING SITE FOR RESIDUE NAG A1353
02AC2SOFTWAREARG B:108 , ASN B:109 , HOH B:2081 , HOH B:2343BINDING SITE FOR RESIDUE NAG B1353
03AC3SOFTWAREASN B:191 , HOH B:2190 , THR D:189BINDING SITE FOR RESIDUE NAG B1354
04AC4SOFTWAREASN B:248 , GLY B:272 , SER B:325 , GLY B:326 , HOH B:2344BINDING SITE FOR RESIDUE NAG B1355
05AC5SOFTWAREARG B:26 , ASN B:142 , HOH B:2345 , HOH B:2346 , NAG C:1357BINDING SITE FOR RESIDUE NAG B1356
06AC6SOFTWAREARG C:108 , ASN C:109 , HOH C:2103 , HOH C:2341BINDING SITE FOR RESIDUE NAG C1353
07AC7SOFTWARESER A:182 , ARG D:108 , ASN D:109 , HOH D:2096 , HOH D:2332 , HOH D:2333 , HOH D:2335BINDING SITE FOR RESIDUE NAG D1353
08AC8SOFTWARELEU A:139 , ASN D:142 , THR D:144 , HOH D:2339 , HOH D:2341BINDING SITE FOR RESIDUE NAG D1356
09AC9SOFTWAREASN D:248 , GLY D:272 , SER D:325 , GLY D:326 , HOH D:2342BINDING SITE FOR RESIDUE NAG D1357
10BC1SOFTWAREHIS A:66 , HIS A:68 , HIS A:112 , DCD A:1351BINDING SITE FOR RESIDUE CU A1352
11BC2SOFTWAREHIS B:66 , HIS B:68 , HIS B:112 , DCD B:1351BINDING SITE FOR RESIDUE CU B1352
12BC3SOFTWAREHIS C:66 , HIS C:68 , HIS C:112 , DCD C:1351BINDING SITE FOR RESIDUE CU C1352
13BC4SOFTWAREHIS D:66 , HIS D:68 , HIS D:112 , DCD D:1351BINDING SITE FOR RESIDUE CU D1352
14BC5SOFTWARETYR A:35 , HIS A:66 , HIS A:68 , GLU A:73 , PHE A:75 , PHE A:114 , ILE A:127 , CU A:1352BINDING SITE FOR RESIDUE DCD A1351
15BC6SOFTWARETYR B:35 , HIS B:66 , HIS B:68 , PHE B:75 , PHE B:114 , CU B:1352BINDING SITE FOR RESIDUE DCD B1351
16BC7SOFTWARETYR C:35 , MET C:51 , HIS C:66 , HIS C:68 , GLU C:73 , PHE C:75 , PHE C:114 , CU C:1352BINDING SITE FOR RESIDUE DCD C1351
17BC8SOFTWARETYR D:35 , HIS D:66 , HIS D:68 , PHE D:75 , PHE D:114 , CU D:1352BINDING SITE FOR RESIDUE DCD D1351
18BC9SOFTWAREASN A:142 , ALA A:143 , THR A:144 , VAL A:190 , ASN A:191 , ASN A:248 , GLY A:272 , SER A:325 , GLY A:326 , HOH A:2192 , HOH A:2403 , HOH A:2404 , HOH A:2406 , HOH A:2407 , HOH A:2408 , HOH A:2410 , HOH A:2411 , GLN C:83 , THR C:187 , ASP C:188 , THR C:189 , HOH C:2206 , LEU D:139BINDING SITE FOR CHAIN A OF SUGAR BOUND TO ASN A 191 RESIDUES 1354 TO 1358
19CC1SOFTWAREGLN A:83 , THR A:187 , THR A:189 , NAG B:1356 , ARG C:26 , ASN C:142 , VAL C:190 , ASN C:191 , ASN C:248 , GLY C:272 , SER C:325 , GLY C:326 , HOH C:2342 , HOH C:2343 , HOH C:2344 , HOH C:2345BINDING SITE FOR CHAIN C OF SUGAR BOUND TO ASN C 191 RESIDUES 1354 TO 1358
20CC2SOFTWAREGLN B:83 , ARG B:186 , THR B:187 , ASP B:188 , THR B:189 , HOH B:2186 , VAL D:190 , ASN D:191 , HOH D:2336 , HOH D:2337 , HOH D:2338BINDING SITE FOR CHAIN D OF SUGAR BOUND TO ASN D 191 RESIDUES 1354 TO 1355

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (8, 8)

Asymmetric Unit
No.Residues
1Val A:128 -Pro A:129
2Ala A:194 -Pro A:195
3Val B:128 -Pro B:129
4Ala B:194 -Pro B:195
5Val C:128 -Pro C:129
6Ala C:194 -Pro C:195
7Val D:128 -Pro D:129
8Ala D:194 -Pro D:195

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1GQG)

(-) Exons   (0, 0)

(no "Exon" information available for 1GQG)

(-) Sequences/Alignments

Asymmetric 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:333
 aligned with QDOI_ASPJA | Q7SIC2 from UniProtKB/Swiss-Prot  Length:350

    Alignment length:348
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342        
           QDOI_ASPJA     3 SSLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIPSSSDSSSTTGPDSSTISTLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
               SCOP domains d1gqga_ A: Quercetin 2,3-dioxygenase                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1gqgA01 A:3-145 Jelly Rolls                                                                                                                    ------------------------------------------------------------1gqgA02 A:206-350 Jelly Rolls                                                                                                                     CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...ee.........eee........eee..eeeeeeehhhhhh...eeeeeee..........ee....eeeeeeee.eeeeeee......eeeeee...eeee....eeeeee....eeeeeeee....hhhhhhhhee............---------------..hhhhh.ee.............ee....................eee......eeee.....eeeeeeehhhhhh...eeeeeeee.................eeeeeee..eeeee.....eee....eeee.....eeeee....eeeeeeee...hhhhhhhhh.eee......... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1gqg A   3 SSLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIPS---------------STLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152 |       -       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342        
                                                                                                                                                                                 154             170                                                                                                                                                                                    


Chain B from PDB  Type:PROTEIN  Length:334
 aligned with QDOI_ASPJA | Q7SIC2 from UniProtKB/Swiss-Prot  Length:350

    Alignment length:347
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       
           QDOI_ASPJA     4 SLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIPSSSDSSSTTGPDSSTISTLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
               SCOP domains d1gqgb_ B: Quercetin 2,3-dioxygenase                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains 1gqgB01 B:4-145 Jelly Rolls                                                                                                                   ------------------------------------------------------------1gqgB02 B:206-350 Jelly Rolls                                                                                                                     CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee.........eee........eee..eeeeeeehhhhhh...eeeeeee..........ee....eeeeeeee.eeeeeeee.....eeeeee...eeee...eeeeeee....eeeeeeee....hhhhhhhhee...........-------------hhhhhhhhh..ee.............ee....................eee......eeee.....eeeeeeehhhhhh...eeeeeeee.................eeeeeee..eeeee.....eee....eeee.....eeeee....eeeeeeee...hhhhhhhhh.eee......... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1gqg B   4 SLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIP-------------STISTLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153         -   |   173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       
                                                                                                                                                                               153           167                                                                                                                                                                                       


Chain C from PDB  Type:PROTEIN  Length:337
 aligned with QDOI_ASPJA | Q7SIC2 from UniProtKB/Swiss-Prot  Length:350

    Alignment length:348
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342        
           QDOI_ASPJA     3 SSLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIPSSSDSSSTTGPDSSTISTLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
               SCOP domains d1gqgc_ C: Quercetin 2,3-dioxygenase                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1gqgC01 Jelly Rolls1gqgC02 C:22-221 Jelly Rolls                                                                                                                                                                            1gqgC01 C:3-21,C:222-342 Jelly Rolls                                                                                     -------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...ee.........eee........eee..eeeeeeehhhhhh...eeeeeee..........ee....eeeeeeee..eeeeeee.....eeeee....eeee...eeeeeee....eeeeeeee....hhhhhhhhee............-----------hhhhhhhhhh..ee.............ee....................eee......eeee.....eeeeeeehhhhhh...eeeeeeee.................eeeeeee..eeeee.....eee....eeee.....eeeee....eeeeeeee...hhhhhhhhh.eee......... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1gqg C   3 SSLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIPS-----------SSTISTLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152 |       -   |   172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342        
                                                                                                                                                                                 154         166                                                                                                                                                                                        


Chain D from PDB  Type:PROTEIN  Length:333
 aligned with QDOI_ASPJA | Q7SIC2 from UniProtKB/Swiss-Prot  Length:350

    Alignment length:347
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       
           QDOI_ASPJA     4 SLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIPSSSDSSSTTGPDSSTISTLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
               SCOP domains d1gqgd_ D: Quercetin 2,3-dioxygenase                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains 1gqgD01 D:4-145 Jelly Rolls                                                                                                                   ------------------------------------------------------------1gqgD02 D:206-350 Jelly Rolls                                                                                                                     CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee.........eee........eee..eeeeeeehhhhhh...eeeeeee..........ee....eeeeeeee.eeeeeee......eeeeee...eeee....eeeeee....eeeeeeee....hhhhhhhhee.............--------------..hhhhh.ee.............ee....................eee......eeee.....eeeeeeehhhhhh...eeeeeeee.................eeeeeee..eeeee.....eee....eeee.....eeeee....eeeeeeee...hhhhhhhhh.eee......... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1gqg D   4 SLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIPSS--------------STLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153 |       -      |173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       
                                                                                                                                                                                 155            170
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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, 4)

Asymmetric Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 8)

Asymmetric Unit
(-)
Class: Mainly Beta (13760)
(-)
Architecture: Sandwich (5577)
(-)
Topology: Jelly Rolls (1293)
(-)
Homologous Superfamily: Jelly Rolls (177)
(-)
Aspergillus japonicus. Organism_taxid: 34381. (4)
1a1gqgA02A:206-350
1b1gqgB02B:206-350
1c1gqgC01C:3-21,C:222-342
1d1gqgA01A:3-145
1e1gqgB01B:4-145
1f1gqgD01D:4-145
1g1gqgD02D:206-350
1h1gqgC02C:22-221

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1GQG)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (QDOI_ASPJA | Q7SIC2)
molecular function
    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: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.
    GO:0008127    quercetin 2,3-dioxygenase activity    Catalysis of the reaction: H(+) + O(2) + quercetin = 2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoate + CO.
biological process
    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.

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    Ala C:194 - Pro C:195   [ RasMol ]  
    Ala D:194 - Pro D:195   [ RasMol ]  
    Val A:128 - Pro A:129   [ RasMol ]  
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  1gqg
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  1.13.11.24
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        QDOI_ASPJA | Q7SIC2: 1gqh 1h1i 1h1m 1juh

(-) Related Entries Specified in the PDB File

1gqh QUERCETIN 2,3-DIOXYGENASE IN COMPLEX WITH THE INHIBITOR KOJIC ACID
1juh QUERCETIN 2,3-DIOXYGENASE