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The Open Protein Structure Annotation Network
PDB Keyword
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3pxv

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

    Title Crystal structure of a Nitroreductase with bound FMN (Dhaf_2018) from Desulfitobacterium hafniense DCB-2 at 2.30 A resolution. To be published
    Site JCSG
    PDB Id 3pxv Target Id
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    Molecular Characteristics
    Source
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    Alias Ids
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    TPS14619,DHAF_12NOV03_CONTIG1004_REVISED_GENE78, 3.40.109.10, 104337
    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 4
    Resolution (Å)
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    Rfree
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    Matthews' coefficent 2.39 Rfactor 0.1743
    Waters
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    Solvent Content 48.53

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    Ligand Information
    Ligands
    Metals

    Jmol

     
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    Google Scholar output for 3pxv

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    Protein Summary

    This protein is a putative nitroreductase belonging to Pfam PF00881.

    Pfam update: This sequence matches the Pfam entry PF00881 (Nitroreductase) for which there are already several structures.

    There are 4 molecules in the asymmetric unit but crystal packing analysis supports the assignment of the dimer as the significant oligomeric form.

    1mM FMN was added by co-crystallization based on putative functional annotation. This FMN is observed in the crystal structure bound to all the protein molecules.

    Fig1.png

    The JCSG has solved many structures from this family, all with sequence identities < 30%. Most of the top 20 FFAS hits (link above) are JCSG structures.

    Ligand Summary

    1mM FMN was added by co-crystallization and shows up as bound to the structures.

    It has been modeled into all the 4 molecules in the asymmetric unit based on unambiguous electron density.

    Reviews

    References

     

    No references found.

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