To improve security and privacy, we are moving our web pages and services from HTTP to HTTPS.
To give users of web services time to transition to HTTPS, we will support separate HTTP and HTTPS services until the end of 2017.
From January 2018 most HTTP traffic will be automatically redirected to HTTPS. [more...]
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References to the ExPASy server

For references to the individual databases and tools accessible via ExPASy, please refer to the specific subsections of ExPASy: