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(-) Description

Title :  CRYSTAL SRTUCTURE OF THE REDUCED FERREDOXIN:THIOREDOXIN REDUCTASE
 
Authors :  S. Dai
Date :  09 May 07  (Deposition) - 10 Jul 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.95
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Thioredoxin, Redox, Iron-Sulfur, Electron Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  S. Dai, R. Friemann, D. A. Glauser, F. Bourquin, W. Manieri, P. Schurmann, H. Eklund
Structural Snapshots Along The Reaction Pathway Of Ferredoxin-Thioredoxin Reductase.
Nature V. 448 92 2007
PubMed-ID: 17611542  |  Reference-DOI: 10.1038/NATURE05937
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - FERREDOXIN-THIOREDOXIN REDUCTASE, CATALYTIC CHAIN
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21
    Expression System PlasmidPET-3C
    Expression System StrainBL21
    Expression System Taxid511693
    Expression System Vector TypePLASMID
    GeneFTRC
    Organism ScientificSYNECHOCYSTIS SP.
    Organism Taxid1143
 
Molecule 2 - FERREDOXIN-THIOREDOXIN REDUCTASE, VARIABLE CHAIN
    ChainsB
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21
    Expression System PlasmidPET-3C
    Expression System StrainBL21
    Expression System Taxid511693
    Expression System Vector TypePLASMID
    GeneFTRV
    Organism ScientificSYNECHOCYSTIS SP.
    Organism Taxid1143
    SynonymFTR-V, FERREDOXIN- THIOREDOXIN REDUCTASE SUBUNIT A

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
1SF41Ligand/IonIRON/SULFUR CLUSTER
2SO41Ligand/IonSULFATE ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:80 , HOH A:205 , HOH A:211 , LYS B:62 , HIS B:64BINDING SITE FOR RESIDUE SO4 A 201
2AC2SOFTWARECYS A:55 , CYS A:74 , CYS A:76 , MET A:79 , CYS A:85 , HIS A:86 , CYS A:87 , PHE A:90BINDING SITE FOR RESIDUE SF4 A 202

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Cys A:74 -Pro A:75

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 2PVD)

(-) 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:107
 aligned with FTRC_SYNY3 | Q55389 from UniProtKB/Swiss-Prot  Length:118

    Alignment length:107
                                    21        31        41        51        61        71        81        91       101       111       
           FTRC_SYNY3    12 LAAMKNFAEQYAKRTDTYFCSDLSVTAVVIEGLARHKEELGSPLCPCRHYEDKEAEVKNTFWNCPCVPMRERKECHCMLFLTPDNDFAGDAQDIPMETLEEVKASMA 118
               SCOP domains d2pvda_ A: Ferredoxin thioredoxin reductase (FTR), catalytic beta chain                                     SCOP domains
               CATH domains 2pvdA00 A:11-117 Ferredoxin Thioredoxin Reductase                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhh..........hhhhhhhhh.....hhhhhhhh.....................hhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------- Transcript
                 2pvd A  11 LAAMKNFAEQYAKRTDTYFCSDLSVTAVVIEGLARHKEELGSPLCPCRHYADKEAEVKNTFWNCPCVPMRERKECHCMLFLTPDNDFAGDAQGIPMETLEEKKASMA 117
                                    20        30        40        50        60        70        80        90       100       110       

Chain B from PDB  Type:PROTEIN  Length:73
 aligned with FTRV_SYNY3 | Q55781 from UniProtKB/Swiss-Prot  Length:75

    Alignment length:73
                                    10        20        30        40        50        60        70   
           FTRV_SYNY3     1 MNVGDRVRVTSSVVVYHHPEHKKTAFDLQGMEGEVAAVLTEWQGRPISANLPVLVKFEQRFKAHFRPDEVTLI  73
               SCOP domains d2pvdb_ B: Ferredoxin thioredoxin reductase (FTR), alpha (variable) chain SCOP domains
               CATH domains 2pvdB00 B:1-73  [code=2.30.30.50, no name defined]                        CATH domains
               Pfam domains --FeThRed_A-2pvdB01 B:3-69                                           ---- Pfam domains
         Sec.struct. author .....eeee....ee..........ee....eeeeeee..ee..ee......eeeee...eeeeehhh.eee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------- Transcript
                 2pvd B   1 MNVGDRVRVTSSVVVYHHPEHAKTAFDLQGMEGEVAAVLTGWQGRPISANLPVLVKFEQRFKAHFRPDEVTLI  73
                                    10        20        30        40        50        60        70   

   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  (2, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit

(-) Gene Ontology  (12, 17)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (FTRC_SYNY3 | Q55389)
molecular function
    GO:0051539    4 iron, 4 sulfur cluster binding    Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands.
    GO:0009055    electron carrier activity    Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    GO:0030385    ferredoxin:thioredoxin reductase activity    Catalysis of the two-electron reduction of the disulfide of thioredoxins with electrons from ferredoxin involving a 4Fe-4S cluster and an adjacent active-site disulfide.
    GO:0051536    iron-sulfur cluster binding    Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
    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:0016730    oxidoreductase activity, acting on iron-sulfur proteins as donors    Catalysis of an oxidation-reduction (redox) reaction in which an iron-sulfur protein acts as a hydrogen or electron donor and reduces a hydrogen or electron acceptor.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
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.
    GO:0015979    photosynthesis    The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide (CO2) using energy obtained from light rather than from the oxidation of chemical compounds.

Chain B   (FTRV_SYNY3 | Q55781)
molecular function
    GO:0051539    4 iron, 4 sulfur cluster binding    Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands.
    GO:0016992    lipoate synthase activity    Catalysis of the reaction: protein N6-(octanoyl)lysine + 2 sulfur + 2 S-adenosyl-L-methionine = protein N6-(lipoyl)lysine + 2 L-methionine + 2 5'-deoxyadenosyl.
    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:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0009107    lipoate biosynthetic process    The chemical reactions and pathways resulting in the formation of lipoate, 1,2-dithiolane-3-pentanoate, the anion derived from lipoic acid.
    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:0015979    photosynthesis    The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide (CO2) using energy obtained from light rather than from the oxidation of chemical compounds.

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 Related Entries

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

UniProtKB/Swiss-Prot
        FTRC_SYNY3 | Q553891dj7 2pu9 2puk 2puo 2pvg 2pvo
        FTRV_SYNY3 | Q557811dj7 2pu9 2puk 2puo 2pvg 2pvo

(-) Related Entries Specified in the PDB File

2pu9 2puk 2puo