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(-) Description

Title :  CRYSTAL STRUCTURE OF QUERCETIN 2,3-DIOXYGENASE ANAEROBICALLY COMPLEXED WITH THE SUBSTRATE QUERCETN
 
Authors :  R. A. Steiner, B. W. Dijkstra
Date :  15 Jul 02  (Deposition) - 28 Nov 02  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.75
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,C  (1x)
Biol. Unit 2:  B,D  (1x)
Keywords :  Oxidoreductase, Dioxygenase, Flavonol (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. A. Steiner, K. H. Kalk, B. W. Dijkstra
Anaerobic Enzyme. Substrate Structures Provide Insight Into The Reaction Mechanism Of The Copper- Dependent Quercetin 2, 3-Dioxygenase.
Proc. Natl. Acad. Sci. Usa V. 99 16625 2002
PubMed-ID: 12486225  |  Reference-DOI: 10.1073/PNAS.262506299

(-) 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, 32)

Asymmetric Unit (4, 32)
No.NameCountTypeFull Name
1CU4Ligand/IonCOPPER (II) ION
2MPD4Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
3NAG20Ligand/IonN-ACETYL-D-GLUCOSAMINE
4QUE4Ligand/Ion3,5,7,3',4'-PENTAHYDROXYFLAVONE
Biological Unit 1 (3, 15)
No.NameCountTypeFull Name
1CU-1Ligand/IonCOPPER (II) ION
2MPD2Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
3NAG11Ligand/IonN-ACETYL-D-GLUCOSAMINE
4QUE2Ligand/Ion3,5,7,3',4'-PENTAHYDROXYFLAVONE
Biological Unit 2 (3, 13)
No.NameCountTypeFull Name
1CU-1Ligand/IonCOPPER (II) ION
2MPD2Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
3NAG9Ligand/IonN-ACETYL-D-GLUCOSAMINE
4QUE2Ligand/Ion3,5,7,3',4'-PENTAHYDROXYFLAVONE

(-) Sites  (29, 29)

Asymmetric Unit (29, 29)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREARG A:108 , ASN A:109 , HOH A:2095 , HOH A:2415BINDING SITE FOR RESIDUE NAG A1351
02AC2SOFTWAREASN A:248 , GLY A:272 , SER A:325 , GLY A:326 , HOH A:2418 , HOH A:2419 , HOH A:2420BINDING SITE FOR RESIDUE NAG A1354
03AC3SOFTWAREASN A:90 , HOH A:2421BINDING SITE FOR RESIDUE NAG A1355
04AC4SOFTWARETHR A:141 , ASN A:142 , HOH A:2422 , HOH A:2423 , HOH A:2424 , HOH A:2425 , LEU D:139 , GLY D:163 , PRO D:164BINDING SITE FOR RESIDUE NAG A1356
05AC5SOFTWAREARG B:108 , ASN B:109 , HOH B:2077 , HOH B:2374BINDING SITE FOR RESIDUE NAG B1351
06AC6SOFTWAREASN B:191 , HOH B:2200 , GLN D:83 , THR D:189BINDING SITE FOR RESIDUE NAG B1352
07AC7SOFTWAREASN B:248 , GLY B:272 , SER B:325 , GLY B:326 , HOH B:2375BINDING SITE FOR RESIDUE NAG B1353
08AC8SOFTWAREARG B:26 , ASN B:142 , HOH B:2376 , NAG C:1356BINDING SITE FOR RESIDUE NAG B1354
09AC9SOFTWAREARG C:108 , ASN C:109 , HOH C:2102 , HOH C:2363BINDING SITE FOR RESIDUE NAG C1352
10BC1SOFTWAREASN C:248 , GLY C:272 , SER C:325 , GLY C:326BINDING SITE FOR RESIDUE NAG C1355
11BC2SOFTWARENAG B:1354 , ARG C:26 , ASN C:142 , HOH C:2367 , HOH C:2368BINDING SITE FOR RESIDUE NAG C1356
12BC3SOFTWARESER A:182 , ARG D:108 , ASN D:109 , HOH D:2358BINDING SITE FOR RESIDUE NAG D1351
13BC4SOFTWARELEU A:139 , GLY A:163 , PRO A:164 , HOH A:2062 , THR D:141 , ASN D:142 , HOH D:2360 , HOH D:2361BINDING SITE FOR RESIDUE NAG D1354
14BC5SOFTWAREASN D:248 , GLY D:272 , SER D:325 , GLY D:326 , HOH D:2362 , HOH D:2363BINDING SITE FOR RESIDUE NAG D1355
15BC6SOFTWAREHIS A:66 , HIS A:68 , GLU A:73 , HIS A:112 , QUE A:1358BINDING SITE FOR RESIDUE CU A1357
16BC7SOFTWAREHIS B:66 , HIS B:68 , GLU B:73 , HIS B:112 , QUE B:1356BINDING SITE FOR RESIDUE CU B1355
17BC8SOFTWAREHIS C:66 , HIS C:68 , GLU C:73 , HIS C:112 , QUE C:1358BINDING SITE FOR RESIDUE CU C1357
18BC9SOFTWAREHIS D:66 , HIS D:68 , GLU D:73 , HIS D:112 , QUE D:1357BINDING SITE FOR RESIDUE CU D1356
19CC1SOFTWAREMET A:51 , VAL A:63 , HIS A:66 , HIS A:68 , GLU A:73 , PHE A:75 , PHE A:114 , GLY A:125 , PHE A:132 , LEU A:135 , PHE A:136 , GLY A:163 , PRO A:164 , VAL A:177 , CU A:1357 , HOH A:2426 , HOH A:2427BINDING SITE FOR RESIDUE QUE A1358
20CC2SOFTWARETYR B:35 , MET B:51 , VAL B:63 , HIS B:66 , HIS B:68 , GLU B:73 , PHE B:75 , PHE B:114 , MET B:123 , GLY B:125 , LEU B:135 , PHE B:136 , LEU B:139 , GLY B:163 , PRO B:164 , VAL B:177 , CU B:1355 , HOH B:2377 , HOH B:2378BINDING SITE FOR RESIDUE QUE B1356
21CC3SOFTWARETYR C:35 , MET C:51 , VAL C:63 , HIS C:66 , HIS C:68 , GLU C:73 , PHE C:75 , PHE C:114 , MET C:123 , GLY C:125 , LEU C:135 , PHE C:136 , LEU C:139 , GLY C:163 , PRO C:164 , VAL C:177 , CU C:1357 , HOH C:2369 , HOH C:2370BINDING SITE FOR RESIDUE QUE C1358
22CC4SOFTWARETYR D:35 , MET D:51 , VAL D:63 , HIS D:66 , HIS D:68 , GLU D:73 , PHE D:75 , PHE D:114 , GLY D:125 , PHE D:132 , PHE D:136 , GLY D:163 , PRO D:164 , VAL D:177 , CU D:1356 , HOH D:2087 , HOH D:2364BINDING SITE FOR RESIDUE QUE D1357
23CC5SOFTWAREVAL A:97 , SER A:99 , ASP A:102 , TRP A:200 , HIS A:201 , GLN C:117 , ASP C:118 , MPD C:1351BINDING SITE FOR RESIDUE MPD A1359
24CC6SOFTWARESER B:81 , VAL B:97 , GLN B:117 , ASP B:118 , MPD B:1358 , VAL D:97 , SER D:99 , ASP D:102 , HIS D:201BINDING SITE FOR RESIDUE MPD B1357
25CC7SOFTWAREVAL B:97 , SER B:99 , ASP B:102 , HIS B:201 , MPD B:1357 , SER D:81 , GLN D:117 , ASP D:118BINDING SITE FOR RESIDUE MPD B1358
26CC8SOFTWARESER A:81 , GLN A:117 , ASP A:118 , MPD A:1359 , VAL C:97 , SER C:99 , ASP C:102 , HIS C:201BINDING SITE FOR RESIDUE MPD C1351
27CC9SOFTWAREASN A:191 , HOH A:2239 , HOH A:2416 , HOH A:2417 , GLN C:83 , THR C:187 , ASP C:188 , THR C:189BINDING SITE FOR CHAIN A OF SUGAR BOUND TO ASN A 191 RESIDUES 1352 TO 1353
28DC1SOFTWAREGLN A:83 , THR A:187 , ASP A:188 , THR A:189 , HOH A:2234 , ASN C:191 , HOH C:2220 , HOH C:2365BINDING SITE FOR CHAIN C OF SUGAR BOUND TO ASN C 191 RESIDUES 1353 TO 1354
29DC2SOFTWAREGLN B:83 , ARG B:186 , THR B:187 , THR B:189 , HOH B:2194 , HOH B:2195 , ASN D:191 , HOH D:2211BINDING SITE FOR CHAIN D OF SUGAR BOUND TO ASN D 191 RESIDUES 1352 TO 1353

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1H1I)

(-) 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 1H1I)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1H1I)

(-) Exons   (0, 0)

(no "Exon" information available for 1H1I)

(-) 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:344
 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 d1h1ia_ A: Quercetin 2,3-dioxygenase                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1h1iA01 A:3-145 Jelly Rolls                                                                                                                    ------------------------------------------------------------1h1iA02 A:206-350 Jelly Rolls                                                                                                                     CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..............eee........eee..eeeeeeehhhhhh...eeeeeee..........ee....eeeeeeee..eeeeee......eeeee....eeee....eeeeee....eeeeeeee....hhhhhhhhee............----......hhhhhhhhhhhh.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
                 1h1i A   3 SSLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIPS----SSTTGPDSSTISTLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
                                    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        
                                                                                                                                                                                 154  159                                                                                                                                                                                               


Chain B from PDB  Type:PROTEIN  Length:346
 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 d1h1ib_ B: Quercetin 2,3-dioxygenase                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1h1iB01 Jelly Rolls1h1iB02 B:22-221 Jelly Rolls                                                                                                                                                                            1h1iB01 B:3-21,B:222-342 Jelly Rolls                                                                                     -------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...ee.........eee........eee..eeeeeeehhhhhh...eeeeeee..........ee....eeeeeeee..eeeeee......eeeee....eeee....eeeeee....eeeeeeee....hhhhhhhhee..............--......hhhhhhhhhhhh.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
                 1h1i B   3 SSLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIPSSS--SSTTGPDSSTISTLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
                                    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        
                                                                                                                                                                                   156  |                                                                                                                                                                                               
                                                                                                                                                                                      159                                                                                                                                                                                               


Chain C from PDB  Type:PROTEIN  Length:343
 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 d1h1ic_ C: Quercetin 2,3-dioxygenase                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1h1iC01 C:3-145 Jelly Rolls                                                                                                                    ------------------------------------------------------------1h1iC02 C:206-350 Jelly Rolls                                                                                                                     CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..............eee........eee..eeeeeeehhhhhh...eeeeeee..........ee....eeeeeeee..eeeeeee.....eeeee....eeee...eeeeeee....eeeeeeee....hhhhhhhhee...........-----......hhhhhhhhhhhh.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
                 1h1i C   3 SSLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIP-----SSTTGPDSSTISTLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
                                    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        
                                                                                                                                                                                153   159                                                                                                                                                                                               


Chain D from PDB  Type:PROTEIN  Length:343
 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 d1h1id_ D: Quercetin 2,3-dioxygenase                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains 1h1iD01 D:4-145 Jelly Rolls                                                                                                                   ------------------------------------------------------------1h1iD02 D:206-350 Jelly Rolls                                                                                                                     CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee.........eee........eee..eeeeeeehhhhhh...eeeeeee..........ee....eeeeeeee..eeeeee......eeeee....eeee....eeeeee....eeeeeeee....hhhhhhhhee............----......hhhhhhhhhhhh.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
                 1h1i D   4 SLIVEDAPDHVRPYVIRHYSHARAVTVDTQLYRFYVTGPSSGYAFTLMGTNAPHSDALGVLPHIHQKHYENFYCNKGSFQLWAQSGNETQQTRVLSSGDYGSVPRNVTHTFQIQDPDTEMTGVIVPGGFEDLFYYLGTNATDTTHTPYIPS----SSTTGPDSSTISTLQSFDVYAELSFTPRTDTVNGTAPANTVWHTGANALASTAGDPYFIANGWGPKYLNSQYGYQIVAPFVTATQAQDTNYTLSTISMSTTPSTVTVPTWSFPGACAFQVQEGRVVVQIGDYAATELGSGDVAFIPGGVEFKYYSEAYFSKVLFVSSGSDGLDQNLVNGGEEWSSVSFPADW 350
                                    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       
                                                                                                                                                                                154  159
   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)
1a1h1iA02A:206-350
1b1h1iB01B:3-21,B:222-342
1c1h1iA01A:3-145
1d1h1iC01C:3-145
1e1h1iD01D:4-145
1f1h1iB02B:22-221
1g1h1iC02C:206-350
1h1h1iD02D:206-350

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1H1I)

(-) 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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        QDOI_ASPJA | Q7SIC2: 1gqg 1gqh 1h1m 1juh

(-) Related Entries Specified in the PDB File

1h1m CRYSTAL STRUCTURE OF QUERCETIN 2,3-DIOXYGENASE ANAEROBICALLY COMPLEXED WITH THE SUBSTRATE KAEMPFEROL
1huj CRYSTAL STRUCTURE OF QUERCETIN 2,3-DIOXYGENASE