A Two-Step Feature Selection Method to Predict Cancerlectins by Multiview Features and Synthetic Minority Oversampling Technique

Table 1

Division of the 20 natural amino acids according to different physicochemical properties.

Physicochemical properties	Group 1	Group 2	Group 3
Hydrophobicity	DEKNQR	AGHPSTY	CFILMVW
Normalized van der Waals volume	ACDGPST	EILNQV	FHKMRWY
Polarity	CFILMVWY	AGPST	DEHKNQR
Polarizability	ADGST	CEILNPQV	FHKMRWY
Charge	KR	DE	ACFGHILMNPQSTVWY
Secondary structures	AEHKLMQR	CFITVWY	DGNPS
Solvent accessibility	ACFGILVW	DEKNQR	HMPSTY