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The Open Protein Structure Annotation Network
PDB Keyword
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2qyc

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

    Title Crystal structure of dimeric ferredoxin-like protein (NP_888056.1) from Bordetella bronchiseptica at 1.90 A resolution. To be published
    Site JCSG
    PDB Id 2qyc Target Id
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    Molecular Characteristics
    Source
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    Alias Ids
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    TPS1718,NP_888056.1, 3.30.70.900, 103982
    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 2
    Resolution (Å)
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    Rfree
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    Matthews' coefficent 2.34 Rfactor 0.177
    Waters
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    Solvent Content 47.48

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    Ligand Information
    Ligands
    Metals

    Jmol

     
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    Google Scholar output for 2qyc

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    Protein Summary

    Gene BB1511 from Bordetella bronchiseptica encodes the NP_888056 protein that belongs to the Dabb family (Stress responsive A/B Barrel Domain) PF07876. This protein is also related to BB0372 (35% seq.id.) of unknown function.

    2qyc has an alpha+beta structure that adopts a ferredoxin-like fold, inside the dimeric alpha+beta barrel superfamily, plant stress induced protein family of SCOP. According to a DALI search, 2qyc shows structural similarity to plant stress-induced proteins, namely the boiling stable protein (

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    ; Z=14, 19% sequence identity) from Populus tremula and proteins AT3G17210.1 (
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    ,
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    ; Z=13-11) and AT5G22580 (
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    ; Z=11) from Arabidopsis thaliana. The smallest stable unit of all these beta-barrel plant proteins is a dimer, which is further packed in higher-order oligomers. Interestingly 2qyc crystallizes as a dimer but does not form higher-order oligomers. Furthermore, the dimer interface is not conserved when compared to the boiling stable protein 1tr0 [Ref] where residues Lys-10, Glu-68, Tyr-105 participate in an extensive hydrogen bonding and salt bridge network across different copies of the protein chains. 

    Ligand Summary



    References

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    References

     

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