IMP|inferred from mutant phenotype
IGI|inferred from genetic interaction
IPI|inferred from physical interaction
ISS|inferred from sequence similarity
IDA|inferred from direct assay
IEP|inferred from expression pattern
IEA|inferred from electronic annotation
TAS|traceable author statement
NAS|non-traceable author statement
ND|no biological data available
IC|inferred by curator
