Welcome to the iPSORT WWW Service

NOTICE: SERVER MAINTAINANCE on March 18, 2024. Prediction service may be unstable post-maintainance. Apologies for any inconvenience. (Mar 6 2024)

This page is currently maintained by Yoshinori Tamada at Research Center for Health-Medical Data Science, Graduate School of Medicine, Hirosaki University.
Questions, comments, bug reports, etc. should be directed to: Hideo Bannai <> and Yoshinori Tamada.
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A command line version of iPSORT is available here. The program has been rewritten in the OCaml language, and is different from the one used for this web predictor (but should give the same predictions).


iPSORT Prediction

Paste your amino acid sequence below:
*** Characters except the standard 20 codes will be removed off
*** Only the first 30 residues are used for prediction

Plant Protein

Non-plant Protein

AAindex Analysis

Choose amino acid index:

Paste your sequences here:

Specify Window Size: (Default: 10)

# of residues to look (from N-terminal): (Default: 0 - meaning the whole sequence)