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(-) Description

Title :  NEW INSIGHTS INTO THERMOSTABILITY OF BACTERIAL FERREDOXINS: HIGH RESOLUTION CRYSTAL STRUCTURE OF THE SEVEN-IRON FERREDOXIN FROM THERMUS THERMOPHILUS
 
Authors :  S. Macedo-Ribeiro, B. M. Martins, P. J. B. Pereira, G. Buse, R. Huber, T. Soulimane
Date :  05 Mar 01  (Deposition) - 27 Nov 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.64
Chains :  Asym./Biol. Unit :  A
Keywords :  Electron Transport, Thermophilic, Iron-Sulfur, Azotobacter, Hydrogen Bonds, Stability, High Resolution (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. Macedo-Ribeiro, B. M. Martins, P. J. B. Pereira, G. Buse, R. Huber, T. Soulimane
New Insights Into The Thermostability Of Bacterial Ferredoxins: High-Resolution Crystal Structure Of The Seven-Iron Ferredoxin From Thermus Thermophilus
J. Biol. Inorg. Chem. V. 6 663 2001
PubMed-ID: 11681700  |  Reference-DOI: 10.1007/S007750100243

(-) Compounds

Molecule 1 - FERREDOXIN
    Chains: A
    Organism Scientific: THERMUS AQUATICUS
    Organism Taxid: 271
    Synonym: [3FE-4S][4FE-4S] FERREDOXIN, SEVEN-IRON FERREDOXIN

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
1F3S1Ligand/IonFE3-S4 CLUSTER
2SF41Ligand/IonIRON/SULFUR CLUSTER

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:2 , CYS A:20 , VAL A:22 , CYS A:24 , ILE A:34 , CYS A:39 , ILE A:40 , CYS A:42 , GLY A:43 , CYS A:45BINDING SITE FOR RESIDUE SF4 A 107
2AC2SOFTWARECYS A:8 , ASP A:13 , GLN A:14 , SER A:15 , CYS A:16 , CYS A:49 , VAL A:51BINDING SITE FOR RESIDUE F3S A 108

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1H98)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1H98)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1H98)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
14FE4S_FER_2PS51379 4Fe-4S ferredoxin-type iron-sulfur binding domain profile.FER_THET831-60
1-30		  1A:30-59
-
24FE4S_FER_1PS00198 4Fe-4S ferredoxin-type iron-sulfur binding region signature.FER_THET840-51  1A:39-50

(-) Exons   (0, 0)

(no "Exon" information available for 1H98)

(-) 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:77
 aligned with FER_THET8 | P03942 from UniProtKB/Swiss-Prot  Length:79

    Alignment length:77
                                    11        21        31        41        51        61        71       
             FER_THET8    2 PHVICEPCIGVKDQSCVEVCPVECIYDGGDQFYIHPEECIDCGACVPACPVNAIYPEEDVPEQWKSYIEKNRKLAGL 78
               SCOP domains d1h98a_ A: Ferredoxin                                                         SCOP domains
               CATH domains 1h98A00 A:1-77  [code=3.30.70.20, no name defined]                            CATH domains
               Pfam domains ----------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee.hhhh....hhhhhhh....eee....eee.........hhhhhh....eee.hhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) 4FE4S_FER_2  PDB: -          4FE4S_FER_2  PDB: A:30-59     ------------------ PROSITE (1)
                PROSITE (2) --------------------------------------4FE4S_FER_1 --------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------- Transcript
                  1h98 A  1 PHVICEPCIGVKDQSCVEVCPVECIYDGGDQFYIHPEECIDCGACVPACPVNAIYPEEDVPEQWKSYIEKNRKLAGL 77
                                    10        20        30        40        50        60        70
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  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, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1H98)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (FER_THET8 | P03942)
molecular function
    GO:0051538    3 iron, 4 sulfur cluster binding    Interacting selectively and non-covalently with a 3 iron, 4 sulfur (3Fe-4S) cluster; this cluster consists of three iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands. It is essentially a 4Fe-4S cluster with one iron missing.
    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: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.
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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  1h98
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 Related Entries

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