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3dcz

    Table of contents
    1. 1. Protein Summary
    2. 2. Ligand Summary

    Title Crystal structure of putative RnfG subunit of electron transport complex (TM0246) from THERMOTOGA MARITIMA at 1.65 A resolution. To be published
    Site JCSG
    PDB Id 3dcz Target Id
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    Molecular Characteristics
    Source
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    Alias Ids
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    TPS6043,TM0246
    Molecular Weight
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    Da.
    Residues
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    Isoelectric Point
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    Sequence
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      BLAST   FFAS

    Structure Determination
    Method XRAY
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    Chains 1
    Resolution (Å)
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    Rfree
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    Matthews' coefficent 2.27 Rfactor 0.176
    Waters
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    Solvent Content 45.73

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    Ligand Information
    Ligands
    Metals

    Jmol

     
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    Google Scholar output for 3dcz
    1. Biochemistry, evolution and physiological function of the Rnf complex, a novel ion-motive electron transport complex in prokaryotes
    E Biegel, S Schmidt, JM Gonzlez, V Mller - Cellular and Molecular Life , 2011 - Springer
     

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    Protein Summary

    TM0246 is likely to be the gamma unit of the NA-translocating NADH-quinone reductase (NQR3 or NQRC subunit). NQR is found in E. coli and related enterobacteria and can serve as a model for the mitochondrial, H+-pumping enzyme (complex I). It is a member of FMN_bind family of PFAM (PF04205).

    Thermotoga NQR contains 6 subunit (TM244-TM249), all of which except TM0244 are membrance associated. TM0246 contains a single N-terminal transmembrane helix. TM0246 homologs are known to bind FMN covalently, however, no FMN was observed in this structure, this could be due to flexibility in the structure since several highly conserved loops are disordered in the structure (also other reasons). The structure of TM0246 is similar in part (~70%) to Inhibitor of Vertebrate Lysozyme (IVY) protein (pdb code  1GPQ). This is first individual structure from NQR complex.
     

    Ligand Summary

    Reviews

    References

     

    No references found.

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