Table 1. Evidence codes used by the GOA Project.

Code	Explanation
IDA	Inferred from Direct Assay
IEP	Inferred from Expression Pattern
IGI	Inferred from Genetic Expression
IMP	Inferred from Mutant Phenotype
IPI	Inferred from Physical Interaction
RCA	Inferred from Reviewed Computational Analysis
TAS	Traceable Author Statement
IC	Inferred by Curator
IEA	Inferred by Electronic Annotation
ISS	Inferred from Sequence or Structural Similarity
NAS	Non-Traceable Author Statement
ND	No biological Data available