Qgrid is a server provides cluster tree diagrams for proteins based on the charges on the atoms or hydrophobicity of a residue. Euclidean distances between charged atoms (or CA atoms of hydrophobic residues) are calculated and cluster tree diagrams are generated using hierarchical clustering method. These diagrams can be used to visually inspect hydrophobic and charged regions in proteins quickly.
- Web Server
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Nucleic Acids Res. 2004 Jul 1;32(Web Server issue):W104-7.
Qgrid: clustering tool for detecting charged and hydrophobic regions in proteins.
Ahmad S, Sarai A.