Table 2.

Types and numbers of EcoCyc regulation objects

Data type	Total	New with high-confidence experimental evidence	New with computational or low-confidence experimental evidence
Transcription units	3473	19	48
Promoters	3766	53	1847
Terminators	251	0	12
TFsa	188	11	0
TFBSs	2701	183	144
Regulatory interactions	3207	69	412

^aTFs include DNA-binding TFs, as well as RNA polymerase-binding regulators.