Table 2. Additional available classification model attributes.

Attribute	Description
DBSNP	Single nucleotide polymorphisms
ENSEMBL	EnsEMBL transcripts
GO	Gene Ontology terms
HOMOLOGENE	Non-human homologous sequences
NAME	Gene symbols and alias symbols
PDB	PDB protein structures
PRINTS	PRINTS protein fingerprints
PROSITE	Prosite references
REFSEQ	RefSeq sequences
TREMBL	TrEMBL links