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(-) Description

Title :  CRYSTAL STRUCTURE OF A NAD(P)H-DEPENDENT FMN REDUCTASE COMPLEXED WITH FMN
 
Authors :  R. Agarwal, S. Swaminathan, S. K. Burley, New York Sgx Research Cen Structural Genomics (Nysgxrc)
Date :  13 Aug 04  (Deposition) - 24 Aug 04  (Release) - 14 Dec 16  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.70
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Structural Genomics, Protein Structure Initiative (Psi), Fmn Reductase, Fmn Bound, New York Sgx Research Center For Structural Genomics, Nysgxrc, Unknown Function (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. Agarwal, J. B. Bonanno, S. K. Burley, S. Swaminathan
Structure Determination Of An Fmn Reductase From Pseudomona Aeruginosa Pa01 Using Sulfur Anomalous Signal.
Acta Crystallogr. , Sect. D V. 62 383 2006
PubMed-ID: 16552139  |  Reference-DOI: 10.1107/S0907444906001600

(-) Compounds

Molecule 1 - CONSERVED HYPOTHETICAL PROTEIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Organism Scientific: PSEUDOMONAS AERUGINOSA
    Organism Taxid: 208964
    Strain: PAO1

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1FMN2Ligand/IonFLAVIN MONONUCLEOTIDE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:15 , ARG A:17 , SER A:20 , TYR A:21 , ASN A:22 , PRO A:81 , TYR A:83 , ASN A:84 , ALA A:118 , GLY A:119 , HOH A:205 , HOH A:222 , HOH A:233 , HOH A:235 , HOH A:238 , TYR B:50 , SER B:99 , ARG B:100 , PHE B:136BINDING SITE FOR RESIDUE FMN A 200
2AC2SOFTWARETYR A:50 , GLU A:52 , ASP A:96 , SER A:99 , ARG A:100 , PHE A:136 , SER B:15 , ARG B:17 , SER B:20 , TYR B:21 , ASN B:22 , PRO B:81 , GLU B:82 , TYR B:83 , ASN B:84 , TYR B:85 , SER B:117 , ALA B:118 , GLY B:122 , HOH B:203 , HOH B:204 , HOH B:210 , HOH B:214BINDING SITE FOR RESIDUE FMN B 200

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1X77)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1Pro A:101 -Pro A:102
2Lys A:144 -Pro A:145
3Pro B:101 -Pro B:102
4Lys B:144 -Pro B:145

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1X77)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1X77)

(-) Exons   (0, 0)

(no "Exon" information available for 1X77)

(-) 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:174
 aligned with FMNRE_PSEAE | Q9I4D4 from UniProtKB/Swiss-Prot  Length:185

    Alignment length:174
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174    
          FMNRE_PSEAE     5 IKVLGISGSLRSGSYNSAALQEAIGLVPPGMSIELADISGIPLYNEDVYALGFPPAVERFREQIRAADALLFATPEYNYSMAGVLKNAIDWASRPPEQPFSGKPAAILGASAGRFGTARAQYHLRQTLVFLDVHPLNKPEVMISSAQNAFDAQGRLLDDKARELIQQQLQALQL 178
               SCOP domains d1x77a_ A: Hypothetical protein PA1204                                                                                                                                         SCOP domains
               CATH domains 1x77A00 A:7-180  [code=3.40.50.360, no name defined]                                                                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeeee......hhhhhhhhhhhhhh....eeee.........hhhhhh...hhhhhhhhhhhhhh.eeeee..ee..eehhhhhhhhhhhh..........eeeeeee......hhhhhhhhhhhhhhh..ee.....eee.hhhhhee..eee.hhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1x77 A   7 IKVLGISGSLRSGSYNSAALQEAIGLVPPGMSIELADISGIPLYNEDVYALGFPPAVERFREQIRAADALLFATPEYNYSMAGVLKNAIDWASRPPEQPFSGKPAAILGASAGRFGTARAQYHLRQTLVFLDVHPLNKPEVMISSAQNAFDAQGRLLDDKARELIQQQLQALQL 180
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176    


Chain B from PDB  Type:PROTEIN  Length:174
 aligned with FMNRE_PSEAE | Q9I4D4 from UniProtKB/Swiss-Prot  Length:185

    Alignment length:174
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174    
          FMNRE_PSEAE     5 IKVLGISGSLRSGSYNSAALQEAIGLVPPGMSIELADISGIPLYNEDVYALGFPPAVERFREQIRAADALLFATPEYNYSMAGVLKNAIDWASRPPEQPFSGKPAAILGASAGRFGTARAQYHLRQTLVFLDVHPLNKPEVMISSAQNAFDAQGRLLDDKARELIQQQLQALQL 178
               SCOP domains d1x77b_ B: Hypothetical protein PA1204                                                                                                                                         SCOP domains
               CATH domains 1x77B00 B:7-180  [code=3.40.50.360, no name defined]                                                                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeeee......hhhhhhhhhhhh......eeee.........hhhhhhhh.hhhhhhhhhhhhhh.eeeee........hhhhhhhhhhhh..........eeeeeee......hhhhhhhhhhhhhhh..ee.....eee.hhhhhh.......hhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1x77 B   7 IKVLGISGSLRSGSYNSAALQEAIGLVPPGMSIELADISGIPLYNEDVYALGFPPAVERFREQIRAADALLFATPEYNYSMAGVLKNAIDWASRPPEQPFSGKPAAILGASAGRFGTARAQYHLRQTLVFLDVHPLNKPEVMISSAQNAFDAQGRLLDDKARELIQQQLQALQL 180
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176
   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: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1X77)

(-) Gene Ontology  (7, 7)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (FMNRE_PSEAE | Q9I4D4)
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:0052873    FMN reductase (NADPH) activity    Catalysis of the reaction: FMNH2 + NADP+ = FMN + NADPH + 2 H+.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    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:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
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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  1x77
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 Related Entries

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

UniProtKB/Swiss-Prot
        FMNRE_PSEAE | Q9I4D4: 1rtt

(-) Related Entries Specified in the PDB File

1rtt APO FORM RELATED ID: NYSGXRC-T1501 RELATED DB: TARGETDB