Welcome to MaizeGDB!
MaizeGDB is a community-oriented, long-term, federally funded informatics service to researchers focused on the crop plant and model organism Zea mays.
Quick Links
Other USDA Crop Databases    
Reference Assembly
Translate
Gene models between assemblies
Gene models between assemblies
Translate
Gene model xref for all assemblies
Gene model xref for all assemblies
Report
Assembly errors
Assembly errors
Report
Annotation errors
Annotation errors
Download
B73 v5 assembly and gene models
B73 v5 assembly and gene models
Download
B73 v4 assembly and gene models
B73 v4 assembly and gene models
Download
B73 v3 assembly and gene models
B73 v3 assembly and gene models
Download
Gene / Gene Model associations
Gene / Gene Model associations
Understand
Identifiers
Identifiers
Contribute data
MaizeGDB News
Database
Last update: September 9, 2025Next update: October 7, 2025
GrainGenes =
SorghumBase =
SoyBase