Table 2.

Gene Ontology categories shared by the two genes in pairs with a CD below 20 kbp

(A) highly correlated pairs
		category	description	# pairs
h	molecular functions	GO:0005132	interferon-alpha/beta receptor ligand	2
h		GO:0005194	cell adhesion	2
h		GO:0008089	anterograde axon cargo transport	4
h	biological process	GO:0006954	inflammatory response	6
h		GO:0006955	immune response	3
h		GO:0007165	signal transduction	5
h	cellular component	GO:0005634	nucleus	5
h		GO:0005886	plasma membrane	5
h		GO:0005887	integral to plasma membrane	2
y	molecular functions	GO:0003735	structural cons tituent of ribosome	12 (1)
y	biological process	GO:0006412	protein biosynthesis	13 (1)
y	cellular component	GO:0005737	cytoplasm	12 (2)
(B) zero-correlated pairs
h	molecular functions	GO:0005200	cytoskeletal structural protein	3
h		GO:0008009	chemokine	2
h		GO:0008417	fucosyltransferase	2
h		GO:0015464	acetylcholine receptor	2
h	biological process	GO:0006954	inflammatory response	3
h		GO:0007048	oncogenesis	4
h		GO:0007165	signal transduction	8
h	cellular component	GO:0005882	intermediate filament	3
h		GO:0005886	plasma membrane	4
h		GO:0005887	integral to plasma membrane	5
(C) negatively correlated pairs
h	molecular functions	GO:0005624	membrane fraction	3
h	biological process	GO:0006508	proteolysis and peptidolysis	2
h		GO:0007165	signal transduction	2
h	cellular component	GO:0005624	membrane fraction	3
h		GO:0005887	integral to plasma membrane	2

A 'h' and 'y' in the left column denotes that the pairs were from the human (Diette [26]) and yeast (Cho et al. [9]) dataset, respectively. In yeast, none pair shared the same category in the ZC and NC groups. A number in parentheses in the right column indicates the number of duplicated pairs.