Table 3.

Mapping the PANTHER/X Ontology to GO

	Map to equivalent GO categories	Map to more general GO categories	No match	Total
Molecular function
Overall	160 (65.5%)	64 (26.2%)	20 (8.2%)	244
Level 1 categories	20 (66.7%)	4 (13.3%)	6 (20.0%)	30
Level 2 categories	91 (60.3%)	49 (32.4%)	11 (7.3%)	151
Level 3 categories	49 (77.7%)	11 (17.5%)	3 (4.8%)	63
Biological process
Overall	167 (67.0%)	66 (26.5%)	16 (6.4%)	249
Level 1 categories	23 (63.9%)	4 (11.1%)	9 (25.0%)	36
Level 2 categories	95 (67.3%)	39 (27.7%)	7 (5.0%)	141
Level 3 categories	49 (68%)	23 (32%)	0.00%	72

For both molecular function and biological process, approximately two-thirds of the PANTHER/X terms can be mapped to an exactly equivalent term in GO, and approximately an additional one-quarter of PANTHER/X terms can be mapped to a GO term that is more general than the PANTHER/X term.