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(-) Description

Title :  CRYSTAL STRUCTURE OF FLAVIN REDUCTASE HPAC COMPLEXED WITH FAD AND NAD
 
Authors :  S. H. Kim, T. Hisano, W. Iwasaki, A. Ebihara, K. Miki
Date :  14 Feb 07  (Deposition) - 15 Jan 08  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.85
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Flavin Reductase, Flavin Diffusible, Two-Component Monooxygenase, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. H. Kim, T. Hisano, W. Iwasaki, A. Ebihara, K. Miki
Crystal Structure Of The Flavin Reductase Component (Hpac) Of 4-Hydroxyphenylacetate 3-Monooxygenase From Thermus Thermophilus Hb8: Structural Basis For The Flavin Affinity
Proteins V. 70 718 2008
PubMed-ID: 17729270  |  Reference-DOI: 10.1002/PROT.21534

(-) Compounds

Molecule 1 - FLAVIN REDUCTASE (HPAC) OF 4-HYDROXYPHENYLACETATE 3- MONOOXYGENAE
    Chains: A, B
    EC Number: 1.6.8.-
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET11A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: TTHA0961
    Mutation: YES
    Organism Scientific: THERMUS THERMOPHILUS
    Organism Taxid: 300852
    Strain: HB8
    Synonym: HYPOTHETICAL PROTEIN TTHA0961

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric/Biological Unit (2, 4)
No.NameCountTypeFull Name
1FAD2Ligand/IonFLAVIN-ADENINE DINUCLEOTIDE
2NAD2Ligand/IonNICOTINAMIDE-ADENINE-DINUCLEOTIDE

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:27 , ARG A:28 , GLY A:29 , MET A:30 , THR A:31 , ALA A:32 , THR A:33 , ALA A:34 , ALA A:48 , VAL A:49 , SER A:50 , ALA A:53 , LYS A:54 , LEU A:55 , HIS A:80 , PHE A:81 , ALA A:82 , GLY A:83 , ARG A:84 , PRO A:85 , HIS A:116 , NAD A:401 , HOH A:435 , HOH A:440 , HOH A:445 , HOH A:497BINDING SITE FOR RESIDUE FAD A 400
2AC2SOFTWARELYS A:6 , LEU A:9 , THR A:33 , HIS A:116 , TYR A:137 , ARG A:140 , FAD A:400 , HOH A:411 , HOH A:415 , HOH A:425 , HOH A:449 , HOH A:453 , HOH A:505 , HOH A:510 , SER B:37BINDING SITE FOR RESIDUE NAD A 401
3AC3SOFTWAREGLU B:27 , ARG B:28 , GLY B:29 , MET B:30 , THR B:31 , ALA B:32 , THR B:33 , ALA B:34 , ALA B:48 , VAL B:49 , SER B:50 , ALA B:53 , LYS B:54 , LEU B:55 , HIS B:80 , PHE B:81 , ALA B:82 , GLY B:83 , ARG B:84 , PRO B:85 , LEU B:91 , HIS B:116 , TYR B:137 , NAD B:501 , HOH B:513 , HOH B:515 , HOH B:519 , HOH B:532 , HOH B:548 , HOH B:573BINDING SITE FOR RESIDUE FAD B 500
4AC4SOFTWARESER A:37 , HOH A:408 , LYS B:6 , LEU B:9 , THR B:33 , HIS B:116 , TYR B:137 , ARG B:140 , FAD B:500 , HOH B:504 , HOH B:509 , HOH B:511 , HOH B:516 , HOH B:528 , HOH B:530 , HOH B:551 , HOH B:556 , HOH B:611 , HOH B:629BINDING SITE FOR RESIDUE NAD B 501

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2ED4)

(-) Cis Peptide Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1Glu A:41 -Pro A:42
2Glu B:41 -Pro B:42
3Trp B:147 -Pro B:148

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2ED4)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2ED4)

(-) Exons   (0, 0)

(no "Exon" information available for 2ED4)

(-) 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:149
 aligned with HPAC_THET8 | Q5SJP7 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:149
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140         
           HPAC_THET8     1 MKEAFKEALARFASGVTVVAARLGEEERGMTATAFMSLSLEPPLVALAVSERAKLLPVLEGAGAFTVSLLREGQEAVSEHFAGRPKEGIALEEGRVKGALAVLRCRLHALYPGGDHRIVVGLVEEVELGEEGPPLVYFQRGYRRLVWPS 149
               SCOP domains d2ed4a_ A: automated matches                                                                                                                          SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhh...ee.eeeeeee..eeeeeee..eeeee....eeeeeee...hhhhhhhhhheeeeee....hhhhhhhhh..................eeeeeeeeeeeee..eeeeeeeeeeeee.......ee....ee...... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ed4 A   1 MKEAFKEALARFASGVTVVAARLGEEERGMTATAFMSLSLEPPLVALAVSERAKLLPVLEGAGAFTVSLLREGQEAVSEHFAGRPKEGIALEEGRVKGALAVLRCRLHALYPGGDHRIVVGLVEEVELGEGGPPLVYFQRGYRRLVWPS 149
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140         


Chain B from PDB  Type:PROTEIN  Length:149
 aligned with HPAC_THET8 | Q5SJP7 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:149
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140         
           HPAC_THET8     1 MKEAFKEALARFASGVTVVAARLGEEERGMTATAFMSLSLEPPLVALAVSERAKLLPVLEGAGAFTVSLLREGQEAVSEHFAGRPKEGIALEEGRVKGALAVLRCRLHALYPGGDHRIVVGLVEEVELGEEGPPLVYFQRGYRRLVWPS 149
               SCOP domains d2ed4b_ B: automated matches                                                                                                                          SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhh..ee.eeeeeee..eeeeeee..eeeee....eeeeeee...hhhhhhhhhheeeeee....hhhhhhhhh..................eeeeeeeeeeeee..eeeeeeeeeeeee.......ee....ee...... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ed4 B   1 MKEAFKEALARFASGVTVVAARLGEEERGMTATAFMSLSLEPPLVALAVSERAKLLPVLEGAGAFTVSLLREGQEAVSEHFAGRPKEGIALEEGRVKGALAVLRCRLHALYPGGDHRIVVGLVEEVELGEGGPPLVYFQRGYRRLVWPS 149
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140
   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, 2)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2ED4)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2ED4)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (HPAC_THET8 | Q5SJP7)
molecular function
    GO:0010181    FMN binding    Interacting selectively and non-covalently with flavin mono nucleotide. Flavin mono nucleotide (FMN) is the coenzyme or the prosthetic group of various flavoprotein oxidoreductase enzymes.
    GO:0036382    flavin reductase (NADH) activity    Catalysis of the reaction: reduced flavin + NAD+ = flavin + NADH + H+.
    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: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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 Related Entries

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

UniProtKB/Swiss-Prot
        HPAC_THET8 | Q5SJP7: 2ecr 2ecu

(-) Related Entries Specified in the PDB File

2ecr LIGAND FREE FORM OF HPAC
2ecu COMPLEXED WITH FAD OF LOW OCCUPANCY