Prognosys Biosciences

(This story has been updated to correct a description of the company's technology.)
Prognosys Biosciences has developed a cDNA-based system for coding customized peptide libraries and has begun offering it commercially as a research tool.

The European Bioinformatics Institute has launched the Enzyme Portal, a free resource for researchers studying the biology of enzymes and proteins with enzymatic activity.

Febit plans to debut the method at Cambridge Healthtech Institute's Next-Generation Sequencing conference in San Diego next month.

Chinese state news agency Xinhua reports that a preliminary investigation has found He Jiankui performed his gene-editing work illegally.

John Mendelsohn, a former president of the University of Texas MD Anderson Cancer Center, has died, the New York Times reports.

Identical twins receive different estimates of ancestry from the same direct-to-consumer genetic testing firms, CBC reports.

In PNAS this week: chromosomal features of maize, adaptations in the vinous-throated parrotbill, and more.