Due to the lapse in funding in the federal government, MaizeGDB will be available only for informational purposes by non-federal employees. Until further notice, the website and community database will not be updated or maintained, and MaizeGDB staff will be unable to respond to feedback or emails.

POPcorn: PrOject Portal for corn

Welcome to POPcorn


The Project Portal for corn provides a single point of access for maize researchers by providing a searchable database of maize projects and resources, and by enabling researchers to retrieve data from multiple sources with one sequence query.

What you can do with POPcorn (shortcuts)

Input your sequence (raw, FASTA, Genbank accessions, or GI #s):    sample sequence
help Nucleotides
Amino acids
Or upload a FASTA file:
No longer updated due to resource constraints. We recommend using BLAST instead.
BLAST against multiple data sets at: Customized searches starting with sequence:
NCBI, MaizeGDB, PlantGDB, Grassius, PLEXdb, DFCI Gene Indices and more
  • Insertional mutants and seed stock (Ac/Ds, TILLING, UniformMu, ...)
  • Transcription factors from Grassius
  • Loci and phenotypes associated with sequence
  • and more