⚠️ Unexpected Maintenance Notice

The service will undergo unexpected maintenance on Thursday, March 26th, 2026 at 11:00 AM (CET).

The system may become temporarily unavailable during this time. Running jobs may be interrupted and could be lost.

We strongly recommend avoiding job submissions shortly before the maintenance window.

We apologize for the inconvenience and thank you for your understanding.

PredGPI is a web-server for predicting protein GPI anchors.

For details see: Pierleoni, A., Martelli, P. L., & Casadio, R. (2008). PredGPI: a GPI-anchor predictor. BMC bioinformatics, 9, 392..

Submit your sequence(s)

Please, paste input FASTA sequences (max 100 sequences, max 80000 residues) in the area below:

Alternatively, select and upload a FASTA file: