Maize (Zea mays) is the plant that has the highest world-wide production among all grain crops, and maize seeds are the most important crop materials that provide resources for food, feed, biofuel, and raw material for processing. The PPIM (protein-protein interaction database for Maize) database is a free and comprehensive knowledgebase for academic use in Zea mays community.

Protein-protein interaction Gene Pathway Transcription factor(TF) gene ontology(GO)
2,762,560 13,974 448 96 50130