Find Proteins of Unknown Structure - Fast & Easy

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For those seeking proteins of unknown structure, it's important to clarify whether the focus is on tertiary or quaternary structures, as many proteins do lack experimentally determined 3D structures. The ExPASy Molecular Biology Server serves as a valuable online repository for protein sequences, while the Protein Data Bank (PDB) provides access to 3D structures obtained through methods like x-ray crystallography and NMR. However, there is no centralized list specifically for proteins without known 3D structures. The recommended approach is to search for proteins in ExPASy and then verify their structural status in the PDB. Additionally, the Scripps Research Institute's website may offer further resources for those interested in this area of study.
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I want a list of Proteins of Unknown structure...
Where shall i find it ?
 
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Don't most proteins have an unknown 3D (tertiary or quarternairy) structure? Or are you talking about the aminoacid (primary) structure?
 
The online repository for protein sequences is the ExPASy Molecular Biology Server. The online repository for 3-D protein structures (determined by x-ray crystallography, NMR, etc.) is the Protein Data Bank .

Insofar as I know, there is no convenient listing of proteins without an experimentally determined 3-D structure. Your best bet is to find a protein in the ExPASy files and then check the PDB to see if there is a structure available. Trust me, a little bit of hard work never killed anyone. :)

You may also want to take a look at the http://metallo.scripps.edu/ at Scripps if you're interested in that sort of thing.
 
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