Transcription Factor Information System is an online tool having a collection of JAVA programs. Each JAVA program is coded to provide unique valuable information about Transcription Factors and their binding sites. Transcription Factors are proteins those bind to DNA at specific sites (Transcription Factor Binding Sites) and control the gene expression. Hence this tool is developed to identify these TFBSs in DNA so that the mechanism that regulate gene expression can be understood in a better way.

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There are different approaches to use TFIS based on the need of the user. These are as follows-