An example of clicking a clickable spot or keryword query. An example of query result was displayed in the client browser. Two methods to query the NPC 2D/MS repository were provided, one is to click the clickable spot and the other is to query with keyword. The user could see the position of spot on the gel through the hyperlink of ID and other information about the spot such as pI, MW, accession number, scores of Mascot or other database search software and etc. Through the hyperlink of accession number in the NCBI, the user could get more information about this protein directly without searching again in NCBI.