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(-) Description

Title :  SOLUTION NMR STRUCTURE OF THE HAEMOPHILUS INFLUENZAE IRON-SULFUR CLUSTER ASSEMBLY PROTEIN U (ISCU) WITH ZINC BOUND AT THE ACTIVE SITE. NORTHEAST STRUCTURAL GENOMICS CONSORTIUM TARGET IR24. THIS PROTEIN IS NOT APO, IT IS A MODEL WITHOUT ZINC BINDING CONSTRAINTS.
 
Authors :  T. A. Ramelot, J. R. Cort, R. Xiao, R. Shastry, T. B. Acton, G. T. Montelio M. A. Kennedy, Northeast Structural Genomics Consortium (Nesg)
Date :  01 Aug 03  (Deposition) - 18 Nov 03  (Release) - 24 Sep 14  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
NMR Structure *:  A  (1x)
Keywords :  Iron-Sulfur Cluster Binding, Three Conserved Cys, 3 Beta Strands, 4 Alpha Helixes, Nesg, Structural Genomics, Psi, Protein Structure Initiative, Northeast Structural Genomics Consortium, Unknown Function (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  T. A. Ramelot, J. R. Cort, S. Goldsmith-Fischman, G. J. Kornhaber, R. Xiao, R. Shastry, T. B. Acton, B. Honig, G. T. Montelione, M. A. Kennedy
Solution Nmr Structure Of The Iron-Sulfur Cluster Assembly Protein U (Iscu) With Zinc Bound At The Active Site.
J. Mol. Biol. V. 344 567 2004
PubMed-ID: 15522305  |  Reference-DOI: 10.1016/J.JMB.2004.08.038

(-) Compounds

Molecule 1 - NIFU-LIKE PROTEIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET21D
    Expression System Strain: BL21 (LAMDA DE3)PMGK
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: HI0377
    Organism Scientific: HAEMOPHILUS INFLUENZAE
    Organism Taxid: 727
    Synonym: ISCU

 Structural Features

(-) Chains, Units

  1
NMR Structure (20x): A
NMR Structure * (1x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1Q48)

(-) Sites  (0, 0)

(no "Site" information available for 1Q48)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1Q48)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1Q48)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1Q48)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1Q48)

(-) Exons   (0, 0)

(no "Exon" information available for 1Q48)

(-) Sequences/Alignments

NMR Structure
   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
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Chain A from PDB  Type:PROTEIN  Length:134
 aligned with ISCU_HAEIN | Q57074 from UniProtKB/Swiss-Prot  Length:126

    Alignment length:134
                                                                                                                                                       126        
                                    10        20        30        40        50        60        70        80        90       100       110       120     |   -    
           ISCU_HAEIN     1 MAYSEKVIDHYENPRNVGSLDKKDSNVGTGMVGAPACGDVMQLQIKVDDNGIIEDAKFKTYGCGSAIASSSLITEWVKGKSLEEAGAIKNSQIAEELELPPVKVHCSILAEDAIKAAIADYKAKQG--------   -
               SCOP domains d1q48a_ A: NifU-like protein HI0377                                                                                                    SCOP domains
               CATH domains 1q48A00 A:1-134  [code=3.90.1010.10, no name defined]                                                                                  CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..........................eeeeeee......eeeeeeee.....eeeeeee......hhhhhhhhhhhhh..hhhhhh..hhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhh.......... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1q48 A   1 MAYSEKVIDHYENPRNVGSLDKKDSNVGTGMVGAPACGDVMQLQIKVDDNGIIEDAKFKTYGCGSAIASSSLITEWVKGKSLEEAGAIKNSQIAEELELPPVKVHCSILAEDAIKAAIADYKAKQGLEHHHHHH 134
                                    10        20        30        40        50        60        70        80        90       100       110       120       130
   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, 1)

NMR Structure
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1Q48)

(-) Gene Ontology  (12, 12)

NMR Structure(hide GO term definitions)
Chain A   (ISCU_HAEIN | Q57074)
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: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:0008198    ferrous iron binding    Interacting selectively and non-covalently with ferrous iron, Fe(II).
    GO:0005506    iron ion binding    Interacting selectively and non-covalently with iron (Fe) ions.
    GO:0051536    iron-sulfur cluster binding    Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
    GO:0036455    iron-sulfur transferase activity    Catalysis of the transfer of a iron-sulfur cluster from one compound (donor) to another (acceptor).
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0044571    [2Fe-2S] cluster assembly    The incorporation of two iron atoms and two sulfur atoms into an iron-sulfur cluster.
    GO:0006879    cellular iron ion homeostasis    Any process involved in the maintenance of an internal steady state of iron ions at the level of a cell.
    GO:0016226    iron-sulfur cluster assembly    The incorporation of iron and exogenous sulfur into a metallo-sulfur cluster.
    GO:0097428    protein maturation by iron-sulfur cluster transfer    The transfer of an assembled iron-sulfur cluster from a scaffold protein to an acceptor protein that contributes to the attainment of the full functional capacity of a protein.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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  1q48
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  ISCU_HAEIN | Q57074
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 Related Entries

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

UniProtKB/Swiss-Prot
        ISCU_HAEIN | Q57074: 1r9p

(-) Related Entries Specified in the PDB File

ir24