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(-) Description

Title :  STRUCTURE OF HUMAN FERREDOXIN 2 (FDX2)IN COMPLEX WITH 2FE2S CLUSTER
 
Authors :  H. Webert, A. Hobler, A. D. Sheftel, S. Molik, M. Maestre-Reyna, L. -O. E D. Vorniscescu, M. Keusgen, F. Hannemann, R. Bernhardt, R. Lill
Date :  12 Jan 11  (Deposition) - 01 Feb 12  (Release) - 01 Feb 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Electron Transport, Iron-Sulfur Cluster Biogenesis (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  H. Webert, A. Hobler, A. D. Sheftel, S. Molik, M. Maestre-Reyna, L. -O. Essen, D. Vorniscescu, M. Keusgen, F. Hannemann, R. Bernhardt, R. Lill
Structure And Functional Studies On Human Mitochondrial Ferredoxins
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - ADRENODOXIN-LIKE PROTEIN, MITOCHONDRIAL
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPASKIBA43PLUS
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    FragmentRESIDUES 66-171
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    Other DetailsHOLOFORM WITH 2FE2S CLUSTER
    SynonymFERREDOXIN-1-LIKE PROTEIN, HUMAN FERREDOXIN 2

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (1x)A 
Biological Unit 2 (1x) B

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (2, 4)
No.NameCountTypeFull Name
1FES2Ligand/IonFE2/S2 (INORGANIC) CLUSTER
2SO42Ligand/IonSULFATE ION
Biological Unit 1 (2, 2)
No.NameCountTypeFull Name
1FES1Ligand/IonFE2/S2 (INORGANIC) CLUSTER
2SO41Ligand/IonSULFATE ION
Biological Unit 2 (2, 2)
No.NameCountTypeFull Name
1FES1Ligand/IonFE2/S2 (INORGANIC) CLUSTER
2SO41Ligand/IonSULFATE ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:41 , CYS A:43 , ALA A:45 , CYS A:49 , CYS A:52 , CYS A:89BINDING SITE FOR RESIDUE FES A 110
2AC2SOFTWAREASP A:26 , ASN A:27 , HIS A:30 , ARG A:34 , HOH A:2033BINDING SITE FOR RESIDUE SO4 A1110
3AC3SOFTWAREGLY B:41 , CYS B:43 , ALA B:45 , CYS B:49 , CYS B:52 , CYS B:89BINDING SITE FOR RESIDUE FES B 110
4AC4SOFTWAREASP B:26 , ASN B:27 , HIS B:30 , ARG B:34 , HOH B:2027BINDING SITE FOR RESIDUE SO4 B1110

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2Y5C)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2Y5C)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2Y5C)

(-) PROSITE Motifs  (2, 4)

Asymmetric Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
12FE2S_FER_2PS51085 2Fe-2S ferredoxin-type iron-sulfur binding domain profile.FDX2_HUMAN68-170
 
  2A:6-108
B:6-108
2ADXPS00814 Adrenodoxin family, iron-sulfur binding region signature.FDX2_HUMAN105-115
 
  2A:43-53
B:43-53
Biological Unit 1 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
12FE2S_FER_2PS51085 2Fe-2S ferredoxin-type iron-sulfur binding domain profile.FDX2_HUMAN68-170
 
  1A:6-108
-
2ADXPS00814 Adrenodoxin family, iron-sulfur binding region signature.FDX2_HUMAN105-115
 
  1A:43-53
-
Biological Unit 2 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
12FE2S_FER_2PS51085 2Fe-2S ferredoxin-type iron-sulfur binding domain profile.FDX2_HUMAN68-170
 
  1-
B:6-108
2ADXPS00814 Adrenodoxin family, iron-sulfur binding region signature.FDX2_HUMAN105-115
 
  1-
B:43-53

(-) Exons   (0, 0)

(no "Exon" information available for 2Y5C)

(-) 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:107
 aligned with FDX2_HUMAN | Q6P4F2 from UniProtKB/Swiss-Prot  Length:183

    Alignment length:107
                                    74        84        94       104       114       124       134       144       154       164       
           FDX2_HUMAN    65 GDVVNVVFVDRSGQRIPVSGRVGDNVLHLAQRHGVDLEGACEASLACSTCHVYVSEDHLDLLPPPEEREDDMLDMAPLLQENSRLGCQIVLTPELEGAEFTLPKITR 171
               SCOP domains d2y5ca_ A: automated matches                                                                                SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee.....eeeeeee...hhhhhhhhh.................eeeehhhhhh.....hhhhhhhhhh.......eee.hhh..hhhhh..eee...... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---2FE2S_FER_2  PDB: A:6-108 UniProt: 68-170                                                              - PROSITE (1)
                PROSITE (2) ----------------------------------------ADX        -------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------- Transcript
                 2y5c A   3 SDVVNVVFVDRSGQRIPVSGRVGDNVLHLAQRHGVDLEGACEASLACSTCHVYVSEDHLDLLPPPEEREDDMLDMAPLLQENSRLGCQIVLTPELEGAEFTLPKITR 109
                                    12        22        32        42        52        62        72        82        92       102       

Chain B from PDB  Type:PROTEIN  Length:107
 aligned with FDX2_HUMAN | Q6P4F2 from UniProtKB/Swiss-Prot  Length:183

    Alignment length:107
                                    74        84        94       104       114       124       134       144       154       164       
           FDX2_HUMAN    65 GDVVNVVFVDRSGQRIPVSGRVGDNVLHLAQRHGVDLEGACEASLACSTCHVYVSEDHLDLLPPPEEREDDMLDMAPLLQENSRLGCQIVLTPELEGAEFTLPKITR 171
               SCOP domains d2y5cb_ B: automated matches                                                                                SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee.....eeeeeee...hhhhhhhhhh................eeee.hhhhhhh...hhhhhhhhhh.......eee.hhh..hhhhh..eee...... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---2FE2S_FER_2  PDB: B:6-108 UniProt: 68-170                                                              - PROSITE (1)
                PROSITE (2) ----------------------------------------ADX        -------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------- Transcript
                 2y5c B   3 SDVVNVVFVDRSGQRIPVSGRVGDNVLHLAQRHGVDLEGACEASLACSTCHVYVSEDHLDLLPPPEEREDDMLDMAPLLQENSRLGCQIVLTPELEGAEFTLPKITR 109
                                    12        22        32        42        52        62        72        82        92       102       

   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 Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2Y5C)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2Y5C)

(-) Gene Ontology  (11, 11)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (FDX2_HUMAN | Q6P4F2)
molecular function
    GO:0051537    2 iron, 2 sulfur cluster binding    Interacting selectively and non-covalently with a 2 iron, 2 sulfur (2Fe-2S) cluster; this cluster consists of two iron atoms, with two 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: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: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:0006700    C21-steroid hormone biosynthetic process    The chemical reactions and pathways resulting in the formation of C21-steroid hormones, steroid compounds containing 21 carbons which function as hormones.
    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:0044281    small molecule metabolic process    The chemical reactions and pathways involving small molecules, any low molecular weight, monomeric, non-encoded molecule.
    GO:0016125    sterol metabolic process    The chemical reactions and pathways involving sterols, steroids with one or more hydroxyl groups and a hydrocarbon side-chain in the molecule.
cellular component
    GO:0005759    mitochondrial matrix    The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

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