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The Open Protein Structure Annotation Network
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TOPSAN

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    New to TOPSAN? If you would like to start contributing, please register. If not, feel free to browse our recent annotations or learn more about TOPSAN.

    The TOPSAN project was developed to collect, share, and distribute information about protein three-dimensional structures. TOPSAN will serve as a portal for the scientific community to learn about protein structures solved by SG centers, and also to contribute their expertise in annotating protein function. 

    For more information please read the TOPSAN article.

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      Featured Annotation
    2q9k:

    The Exig_1997 gene from Exiguobacterium sibiricum 255-15 gives several strong, but possibly misleading hints to encode for a pyridoxamine 5'-phosphate oxidase (PF01243, cl00381), an enzyme which catalyzes the reaction of pyridoxamine-5-P (PMP) and pyridoxine-5-P (PNP) to pyridoxal-5-P (PLP). The structure adopts a beta roll (2q9k-CATH). There is high structural similarity to several oxidoreductases like 1r1z [Ref] and PSI target 2ou5. Significant sequence homology to 2e83 (chain A), 3f7e (chain A) is detected by HHpred. ...


    TOPSAN - The Network News
    TOPSAN and the Semantic Web (Part II)
    This is the second in a series of blogs in which we will try to introduce you to the concepts behind the TOPSAN Protein Syntax and the TOPSAN semantic notation system. Our first entry introduced how to imbed semantic web notations into TOPSAN (Part I). In this article we will describe how to use obtain [...]
    TOPSAN and the Semantic Web (Part I)
    This is the first in a series of blogs in which we will try to introduce you to the concepts behind the TOPSAN Protein Syntax and the TOPSAN semantic notation system. The first article will be the basics of engaging the notation environment and some simple examples of how to use the notation system. Next [...]
     
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      PSI Statistics
      PDB Other
    JCSG 1070 4824
    MCSG 1174 1501
    NYSGXRC 871  
    SECSG 93  
    ATCG3D 11  
    BSGC 73  
    CESG 113  
    CSGID 128  
    ISFI 8  
    NESGC 811  
    BIGS 8  
    BSGI 57  
    ISPC 14  
    RSGI 2733  
    XMTB 12  
    SSGCID 15  
    TBSGC 101  

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