Table 1. The Size of Predictable Protein Pairs in Yeast.

DIP Yeast network	Proteins	Interactions (Percentage)
Observed network	4,931	17,471
fully annotated (F)	2,416	6,537 (37%)
fully and partially annotated (F+P)	3,808	13,102 (75%)
Eligible protein pairs (F)†		87,181
observed interactions		2,896 (3%)
unobserved interactions		84,285 (97%)
Eligible protein pairs (F+P)‡		224,631
observed interactions		6,252 (3%)
unobserved interactions		224,631 (97%)

†: proteins annotated with both characteristics (structure and function).

‡: proteins annotated with at least one characteristic.