METSP: A Maximum-Entropy Classifier Based Text Mining Tool for Transporter-Substrate Identification with Semistructured Text

Table 1

Summary of reliable TSPs from UniProt, TCDB, and TransportDB.

	UniProt	TCDB	TransportDB	Sum from formula ()
TSPs	35586	2641	86726	6955
Transporters	25056	1501	57070	5042
Substrates	528	229	351	275

Note: (): = , where , , and refer to all TSPs collected from UniProt, TCDB, and TransportDB, respectively.