Protein Structure Search

Input a protein structure as a query to discover its homologous proteins and evolutionary classifications.

Press the to obtain more information on that specific field.

NEWS: The standalone 3D-BLAST program is avaliable now. Please see Download page for more information.


Query

domain:

SCOP ID:   

protein:

PDB ID: Chain ID:  
¡@

New protein:

  Upload

Options:
¡@ Choose Database   
¡@ PDB (29-May-10)nr-PDB-90SCOP 1.75 (all)SCOP 1.75 (95%)SCOP 1.75 (40%)
¡@
¡@ E-value   
¡@ 10-1 10-5 10-10 10-15 10-20
¡@¡@
¡@ Maximum number of hit structures  
¡@ 10 20 50 100 200 other:

Reference:
¡@ 1. C.-H. Tung, J.-W. Huang and J.-M. Yang "Kappa-alpha plot derived structural alphabet and BLOSUM-like substitution matrix for fast protein structure database search," Genome Biology, vol. 8, pp. R31.1~R31.16, 2007.
¡@ 2. J.-M. Yang and C.-H. Tung "Protein structure database search and evolutionary classification," Nucleic Acids Research, vol. 34, pp. 3646-3659, 2006.

Related Work:
¡@ fastSCOP: A web server that rapidly identifies the structural domains and determines the evolutionary superfamilies of a query protein structure by using 3D-BLAST.

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Last updated 2010/05/29 by J.-M. Yang, C.-H. Tung